WO2022131146A1 - Nitrogen-containing heterocyclic compound - Google Patents
Nitrogen-containing heterocyclic compound Download PDFInfo
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- WO2022131146A1 WO2022131146A1 PCT/JP2021/045451 JP2021045451W WO2022131146A1 WO 2022131146 A1 WO2022131146 A1 WO 2022131146A1 JP 2021045451 W JP2021045451 W JP 2021045451W WO 2022131146 A1 WO2022131146 A1 WO 2022131146A1
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- -1 Nitrogen-containing heterocyclic compound Chemical class 0.000 title abstract description 31
- 150000001875 compounds Chemical class 0.000 claims abstract description 59
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 66
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 50
- 125000005843 halogen group Chemical group 0.000 claims description 43
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 36
- 150000003839 salts Chemical class 0.000 claims description 31
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 17
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 125000004432 carbon atom Chemical group C* 0.000 claims description 13
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 claims description 12
- 239000002246 antineoplastic agent Substances 0.000 claims description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 11
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims description 11
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 11
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 9
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 8
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 8
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
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Abstract
Provided is a compound having the effect of inhibiting HIF-1. In concrete terms, the present invention provides a specific nitrogen-containing heterocyclic compound.
Description
本開示は、特定の含窒素複素環式化合物及びその用途等に関する。なお、本明細書に記載される全ての文献の内容は参照により本明細書に組み込まれる。
The present disclosure relates to specific nitrogen-containing heterocyclic compounds and their uses. The contents of all documents described in this specification are incorporated herein by reference.
がんは、日本において、生涯で2人に1人が罹患すると言われるほど一般的な病気であり、その治療法として、外科的切除、化学療法、放射線治療が挙げられる。近年、分子標的薬の出現により、その治療法の開発が進められているが、その種類は、全ての治療標的分子を網羅するほど多くはないというのが現状である。そのため、新規作用機構を有する抗がん剤の開発が望まれている。
Cancer is a common disease in Japan that affects one in two people in a lifetime, and its treatment methods include surgical resection, chemotherapy, and radiation therapy. In recent years, with the advent of molecular-targeted drugs, the development of therapeutic methods has been promoted, but the current situation is that the types are not large enough to cover all therapeutic target molecules. Therefore, the development of an anticancer drug having a novel mechanism of action is desired.
低酸素誘導因子-1(HIF-1)は、抗がん剤の創薬標的分子として注目を集める分子の1つであり、がんの悪性化に関与することが知られている。現在のところ、HIF-1を阻害する抗がん剤の開発は、未達成であり、優れた阻害剤の開発が望まれている。(非特許文献1)。
Hypoxia-inducible factor-1 (HIF-1) is one of the molecules attracting attention as a drug discovery target molecule for anticancer agents, and is known to be involved in the malignant transformation of cancer. At present, the development of an anticancer agent that inhibits HIF-1 has not been achieved, and the development of an excellent inhibitor is desired. (Non-Patent Document 1).
本発明者らは、HIF-1を阻害する作用を有する化合物を探索した。
The present inventors searched for a compound having an action of inhibiting HIF-1.
本発明者らは、特定の骨格を有する含窒素複素環式化合物がHIF-1を阻害する作用を有する可能性を見いだし、さらに改良を重ねた。
The present inventors have found the possibility that a nitrogen-containing heterocyclic compound having a specific skeleton has an action of inhibiting HIF-1, and further improved it.
また、B型肝炎ウイルス(HBV)持続感染者は日本では人口の約1%(約100万人)、世界では人口の約7%(約4億人)と推定されており、慢性肝炎、肝硬変、肝細胞がん、肝不全に進展する感染者に対する効果的な治療薬が希求されている。
In addition, hepatitis B virus (HBV) persistent infection is estimated to be about 1% (about 1 million people) of the population in Japan and about 7% (about 400 million people) of the world, and chronic hepatitis and liver cirrhosis. , Hepatitis, an effective therapeutic agent for infected persons who progress to liver failure is sought.
B型肝炎ウイルス由来のタンパク質であるHepatitis B virus X protein(HBx)は、HIF-1と相互作用されることが知られており、肝がんにおける組織繊維化にHIF-1が関与するという報告があることから、HIF-1阻害活性と抗HBV活性には、相関がある可能性が考えられる。(非特許文献2)
そこで、本発明者らは、HIF-1を阻害する作用を有する可能性のある特定の骨格を有する含窒素複素環式化合物が、抗HBV活性をも奏する可能性についても検討した。 Hepatitis B virus X protein (HBx), a protein derived from hepatitis B virus, is known to interact with HIF-1, and it has been reported that HIF-1 is involved in tissue fibrosis in liver cancer. Therefore, it is possible that there is a correlation between HIF-1 inhibitory activity and anti-HBV activity. (Non-Patent Document 2)
Therefore, the present inventors also investigated the possibility that a nitrogen-containing heterocyclic compound having a specific skeleton having an action of inhibiting HIF-1 also exerts anti-HBV activity.
そこで、本発明者らは、HIF-1を阻害する作用を有する可能性のある特定の骨格を有する含窒素複素環式化合物が、抗HBV活性をも奏する可能性についても検討した。 Hepatitis B virus X protein (HBx), a protein derived from hepatitis B virus, is known to interact with HIF-1, and it has been reported that HIF-1 is involved in tissue fibrosis in liver cancer. Therefore, it is possible that there is a correlation between HIF-1 inhibitory activity and anti-HBV activity. (Non-Patent Document 2)
Therefore, the present inventors also investigated the possibility that a nitrogen-containing heterocyclic compound having a specific skeleton having an action of inhibiting HIF-1 also exerts anti-HBV activity.
本開示は例えば以下の項に記載の主題を包含する。
項1.
式(1):
〔式(1)中、
Xは基X-1:
(当該式中、
X1は炭素原子又は窒素原子を示し、
RX1、RX2、及びRX3は、それぞれ独立して、水素原子、ハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示す)
を示し、
Yは基Y-1:
(当該式中、
Y1は炭素原子又は窒素原子を示し、
RY1a、RY1b、及びRY1cは、それぞれ独立して、水素原子、ハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1ii(当該式中、-Y1i-は-CO-、-SO2-、若しくは-CH2-を示し、-Y1iiはC1~C4アルキル基、フェニル基、若しくはベンジル基を示す)で表される基を示す)
又は基Y-2:
(当該式中、
Y2は炭素原子又は窒素原子を示し、
RY2a、RY2b、及びRY2cは、それぞれ独立して、水素原子、ハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y2i-Y2ii(当該式中、-Y2i-は-CO-、-SO2-、若しくは-CH2-を示し、-Y2iiはC1~C4アルキル基又はフェニル基若しくはベンジル基を示す)で表される基を示す)
を示し、
Zはメチレン基又は基Z-1:
(当該式中、Arはベンゼン環、フラン環、若しくはピラゾール環を示す)
を示し、
mは0、1、又は2を示し、
nは1、2、又は3を示す。〕
で表される化合物。
項2.
Xが基X-1を示し、
RX1、RX2、及びRX3のいずれか1つが水素原子を示し、残りの2つが同じハロゲン原子を示すか、あるいは、
RX1がハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示し、RX2及びRX3が水素原子を示す、
項1に記載の化合物。
項3.
Yが基Y-1又はY-2基を示し、
Yが基Y-1を示すとき、
RY1aが水素原子、RY1bがC1~C4アルキル基、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すか、
RY1aがC1~C4アルキル基、RY1bが水素原子、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すか、あるいは
RY1bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY1a及びRY1cが水素原子を示し、
YがY-2基を示すとき、
RY2bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2a及びRY2cが水素原子を示すか、あるいは、
RY2aがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2b及びRY2cが水素原子を示す、
項1又は2に記載の化合物
項4.
Zがメチレン基又は基Z-1を示し、
Zが基Z-1を示すとき、
Arがベンゼン環を示す場合、基Z-1は、
のいずれかの基(但し、アスタリスク側が、式(1)におけるY側)を示し、
Arがフラン環を示す場合、基Z-1は、
のいずれかの基(但し、アスタリスク側が、式(1)におけるY側)を示し、
Arがピラゾール環を示す場合、基Z-1は、
のいずれかの基(但し、アスタリスク側が、式(1)におけるY側)を示す、
項1~3のいずれかに記載の化合物。
項5.
Xが基X-1を示し、
RX1、RX2、及びRX3のいずれか1つが水素原子を示し、残りの2つが同じハロゲン原子を示すか、あるいは、
RX1がハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示し、RX2及びRX3が水素原子を示し、
Yが基Y-1又はY-2基を示し、
Yが基Y-1を示すとき、
RY1aが水素原子、RY1bがC1~C4アルキル基、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すか、
RY1aがC1~C4アルキル基、RY1bが水素原子、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すか、あるいは
RY1bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY1a及びRY1cが水素原子を示し、
YがY-2基を示すとき、
RY2bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2a及びRY2cが水素原子を示すか、あるいは、
RY2aがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2b及びRY2cが水素原子を示し、
Zがメチレン基又は基Z-1を示し、
Zが基Z-1を示すとき、
Arがベンゼン環を示す場合、基Z-1は、
のいずれかの基(但し、アスタリスク側が、式(1)におけるY側)を示し、
Arがフラン環を示す場合、基Z-1は、
のいずれかの基(但し、アスタリスク側が、式(1)におけるY側)を示し、
Arがピラゾール環を示す場合、基Z-1は、
のいずれかの基(但し、アスタリスク側が、式(1)におけるY側)を示す、
項1に記載の化合物。
項6.
以下の表に記載のいずれかの構造式で表される化合物。
項7.
項1~6のいずれかに記載の化合物の塩。
項8.
項1~6のいずれかに記載の化合物又はその塩を含有する抗がん剤。
項9.
項1~6のいずれかに記載の化合物又はその塩を含有する抗B型肝炎ウイルス剤。 The present disclosure includes, for example, the subjects described in the following sections.
Item 1.
Equation (1):
[In equation (1),
X is the base X-1:
(In the formula,
X 1 represents a carbon atom or a nitrogen atom,
RX1 , RX2 , and RX3 independently indicate a hydrogen atom, a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group).
Show,
Y is the base Y-1:
(In the formula,
Y 1 represents a carbon atom or a nitrogen atom.
RY1a , RY1b , and RY1c are independently hydrogen atom, halogen atom, C1-C4 alkyl group, nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or formula:-. NH-Y 1i -Y 1ii (in the formula, -Y 1i- indicates -CO-, -SO 2- , or -CH 2- , and -Y 1i is a C1-C4 alkyl group, phenyl group, or benzyl group. Indicates a group represented by))
Or group Y-2:
(In the formula,
Y 2 indicates a carbon atom or a nitrogen atom.
RY2a , RY2b , and RY2c are independently hydrogen atom, halogen atom, C1-C4 alkyl group, nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or formula:-. NH-Y 2i -Y 2ii (in the formula, -Y 2i- indicates -CO-, -SO 2- , or -CH 2- , and -Y 2ii is a C1-C4 alkyl group or a phenyl group or a benzyl group. Indicates a group represented by))
Show,
Z is a methylene group or a group Z-1:
(In the formula, Ar indicates a benzene ring, a furan ring, or a pyrazole ring)
Show,
m indicates 0, 1, or 2,
n indicates 1, 2, or 3. ]
The compound represented by.
Item 2.
X indicates the base X-1,
Either one of RX1 , RX2 , and RX3 represents a hydrogen atom and the other two represent the same halogen atom, or
RX1 represents a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group, and RX2 and RX3 represent a hydrogen atom.
Item 1. The compound according to Item 1.
Item 3.
Y indicates a group Y-1 or a group Y-2,
When Y indicates the base Y-1,
Whether RY1a is a hydrogen atom, RY1b is a C1-C4 alkyl group, RY1c is a nitro group or a group represented by the formula: -NH- Y1i - Y1iii .
RY1a is a C1-C4 alkyl group, RY1b is a hydrogen atom, RY1c is a nitro group or a group represented by the formula: -NH- Y1i - Y1ii , or RY1b is a halogen atom, C1 to C4. An alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , where RY1a and RY1c indicate hydrogen atoms. ,
When Y indicates Y-2 groups
RY2b represents a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , R Y2a and RY2c indicate hydrogen atoms, or
RY2a represents a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , R Y2b and RY2c represent hydrogen atoms,
Item 4. The compound according to Item 1 or 2.
Z indicates a methylene group or a group Z-1.
When Z indicates the base Z-1,
When Ar represents a benzene ring, the group Z-1 is
(However, the asterisk side is the Y side in equation (1)).
When Ar represents a furan ring, the group Z-1 is
(However, the asterisk side is the Y side in equation (1)).
When Ar represents a pyrazole ring, the group Z-1 is
(However, the asterisk side is the Y side in the equation (1)).
Item 2. The compound according to any one of Items 1 to 3.
Item 5.
X indicates the base X-1,
Either one of RX1 , RX2 , and RX3 represents a hydrogen atom and the other two represent the same halogen atom, or
RX1 represents a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group, and RX2 and RX3 represent a hydrogen atom.
Y indicates a group Y-1 or a group Y-2,
When Y indicates the base Y-1,
Whether RY1a is a hydrogen atom, RY1b is a C1-C4 alkyl group, RY1c is a nitro group or a group represented by the formula: -NH- Y1i - Y1iii .
RY1a is a C1-C4 alkyl group, RY1b is a hydrogen atom, RY1c is a nitro group or a group represented by the formula: -NH- Y1i - Y1ii , or RY1b is a halogen atom, C1 to C4. An alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , where RY1a and RY1c indicate hydrogen atoms. ,
When Y indicates Y-2 groups
RY2b represents a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , R Y2a and RY2c indicate hydrogen atoms, or
RY2a represents a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , R Y2b and RY2c indicate hydrogen atoms,
Z indicates a methylene group or a group Z-1.
When Z indicates the base Z-1,
When Ar represents a benzene ring, the group Z-1 is
(However, the asterisk side is the Y side in equation (1)).
When Ar represents a furan ring, the group Z-1 is
(However, the asterisk side is the Y side in equation (1)).
When Ar represents a pyrazole ring, the group Z-1 is
(However, the asterisk side is the Y side in the equation (1)).
Item 1. The compound according to Item 1.
Item 6.
A compound represented by any of the structural formulas described in the table below.
Item 7.
The salt of the compound according to any one of Items 1 to 6.
Item 8.
An anticancer agent containing the compound according to any one of Items 1 to 6 or a salt thereof.
Item 9.
An anti-hepatitis B virus agent containing the compound according to any one of Items 1 to 6 or a salt thereof.
項1.
式(1):
Xは基X-1:
X1は炭素原子又は窒素原子を示し、
RX1、RX2、及びRX3は、それぞれ独立して、水素原子、ハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示す)
を示し、
Yは基Y-1:
Y1は炭素原子又は窒素原子を示し、
RY1a、RY1b、及びRY1cは、それぞれ独立して、水素原子、ハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1ii(当該式中、-Y1i-は-CO-、-SO2-、若しくは-CH2-を示し、-Y1iiはC1~C4アルキル基、フェニル基、若しくはベンジル基を示す)で表される基を示す)
又は基Y-2:
Y2は炭素原子又は窒素原子を示し、
RY2a、RY2b、及びRY2cは、それぞれ独立して、水素原子、ハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y2i-Y2ii(当該式中、-Y2i-は-CO-、-SO2-、若しくは-CH2-を示し、-Y2iiはC1~C4アルキル基又はフェニル基若しくはベンジル基を示す)で表される基を示す)
を示し、
Zはメチレン基又は基Z-1:
を示し、
mは0、1、又は2を示し、
nは1、2、又は3を示す。〕
で表される化合物。
項2.
Xが基X-1を示し、
RX1、RX2、及びRX3のいずれか1つが水素原子を示し、残りの2つが同じハロゲン原子を示すか、あるいは、
RX1がハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示し、RX2及びRX3が水素原子を示す、
項1に記載の化合物。
項3.
Yが基Y-1又はY-2基を示し、
Yが基Y-1を示すとき、
RY1aが水素原子、RY1bがC1~C4アルキル基、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すか、
RY1aがC1~C4アルキル基、RY1bが水素原子、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すか、あるいは
RY1bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY1a及びRY1cが水素原子を示し、
YがY-2基を示すとき、
RY2bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2a及びRY2cが水素原子を示すか、あるいは、
RY2aがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2b及びRY2cが水素原子を示す、
項1又は2に記載の化合物
項4.
Zがメチレン基又は基Z-1を示し、
Zが基Z-1を示すとき、
Arがベンゼン環を示す場合、基Z-1は、
Arがフラン環を示す場合、基Z-1は、
Arがピラゾール環を示す場合、基Z-1は、
項1~3のいずれかに記載の化合物。
項5.
Xが基X-1を示し、
RX1、RX2、及びRX3のいずれか1つが水素原子を示し、残りの2つが同じハロゲン原子を示すか、あるいは、
RX1がハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示し、RX2及びRX3が水素原子を示し、
Yが基Y-1又はY-2基を示し、
Yが基Y-1を示すとき、
RY1aが水素原子、RY1bがC1~C4アルキル基、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すか、
RY1aがC1~C4アルキル基、RY1bが水素原子、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すか、あるいは
RY1bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY1a及びRY1cが水素原子を示し、
YがY-2基を示すとき、
RY2bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2a及びRY2cが水素原子を示すか、あるいは、
RY2aがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2b及びRY2cが水素原子を示し、
Zがメチレン基又は基Z-1を示し、
Zが基Z-1を示すとき、
Arがベンゼン環を示す場合、基Z-1は、
Arがフラン環を示す場合、基Z-1は、
Arがピラゾール環を示す場合、基Z-1は、
項1に記載の化合物。
項6.
以下の表に記載のいずれかの構造式で表される化合物。
項1~6のいずれかに記載の化合物の塩。
項8.
項1~6のいずれかに記載の化合物又はその塩を含有する抗がん剤。
項9.
項1~6のいずれかに記載の化合物又はその塩を含有する抗B型肝炎ウイルス剤。 The present disclosure includes, for example, the subjects described in the following sections.
Item 1.
Equation (1):
X is the base X-1:
X 1 represents a carbon atom or a nitrogen atom,
RX1 , RX2 , and RX3 independently indicate a hydrogen atom, a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group).
Show,
Y is the base Y-1:
Y 1 represents a carbon atom or a nitrogen atom.
RY1a , RY1b , and RY1c are independently hydrogen atom, halogen atom, C1-C4 alkyl group, nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or formula:-. NH-Y 1i -Y 1ii (in the formula, -Y 1i- indicates -CO-, -SO 2- , or -CH 2- , and -Y 1i is a C1-C4 alkyl group, phenyl group, or benzyl group. Indicates a group represented by))
Or group Y-2:
Y 2 indicates a carbon atom or a nitrogen atom.
RY2a , RY2b , and RY2c are independently hydrogen atom, halogen atom, C1-C4 alkyl group, nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or formula:-. NH-Y 2i -Y 2ii (in the formula, -Y 2i- indicates -CO-, -SO 2- , or -CH 2- , and -Y 2ii is a C1-C4 alkyl group or a phenyl group or a benzyl group. Indicates a group represented by))
Show,
Z is a methylene group or a group Z-1:
Show,
m indicates 0, 1, or 2,
n indicates 1, 2, or 3. ]
The compound represented by.
Item 2.
X indicates the base X-1,
Either one of RX1 , RX2 , and RX3 represents a hydrogen atom and the other two represent the same halogen atom, or
RX1 represents a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group, and RX2 and RX3 represent a hydrogen atom.
Item 1. The compound according to Item 1.
Item 3.
Y indicates a group Y-1 or a group Y-2,
When Y indicates the base Y-1,
Whether RY1a is a hydrogen atom, RY1b is a C1-C4 alkyl group, RY1c is a nitro group or a group represented by the formula: -NH- Y1i - Y1iii .
RY1a is a C1-C4 alkyl group, RY1b is a hydrogen atom, RY1c is a nitro group or a group represented by the formula: -NH- Y1i - Y1ii , or RY1b is a halogen atom, C1 to C4. An alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , where RY1a and RY1c indicate hydrogen atoms. ,
When Y indicates Y-2 groups
RY2b represents a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , R Y2a and RY2c indicate hydrogen atoms, or
RY2a represents a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , R Y2b and RY2c represent hydrogen atoms,
Item 4. The compound according to Item 1 or 2.
Z indicates a methylene group or a group Z-1.
When Z indicates the base Z-1,
When Ar represents a benzene ring, the group Z-1 is
When Ar represents a furan ring, the group Z-1 is
When Ar represents a pyrazole ring, the group Z-1 is
Item 2. The compound according to any one of Items 1 to 3.
Item 5.
X indicates the base X-1,
Either one of RX1 , RX2 , and RX3 represents a hydrogen atom and the other two represent the same halogen atom, or
RX1 represents a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group, and RX2 and RX3 represent a hydrogen atom.
Y indicates a group Y-1 or a group Y-2,
When Y indicates the base Y-1,
Whether RY1a is a hydrogen atom, RY1b is a C1-C4 alkyl group, RY1c is a nitro group or a group represented by the formula: -NH- Y1i - Y1iii .
RY1a is a C1-C4 alkyl group, RY1b is a hydrogen atom, RY1c is a nitro group or a group represented by the formula: -NH- Y1i - Y1ii , or RY1b is a halogen atom, C1 to C4. An alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , where RY1a and RY1c indicate hydrogen atoms. ,
When Y indicates Y-2 groups
RY2b represents a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , R Y2a and RY2c indicate hydrogen atoms, or
RY2a represents a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , R Y2b and RY2c indicate hydrogen atoms,
Z indicates a methylene group or a group Z-1.
When Z indicates the base Z-1,
When Ar represents a benzene ring, the group Z-1 is
When Ar represents a furan ring, the group Z-1 is
When Ar represents a pyrazole ring, the group Z-1 is
Item 1. The compound according to Item 1.
Item 6.
A compound represented by any of the structural formulas described in the table below.
The salt of the compound according to any one of Items 1 to 6.
Item 8.
An anticancer agent containing the compound according to any one of Items 1 to 6 or a salt thereof.
Item 9.
An anti-hepatitis B virus agent containing the compound according to any one of Items 1 to 6 or a salt thereof.
HIF-1を阻害する作用を有する特定の含窒素複素環式化合物が提供される。これにより、当該特定の含窒素複素環式化合物を含有するHIF-1阻害剤、ひいては抗がん剤が提供される。さらには、当該特定の含窒素複素環式化合物を含有する抗HBV剤が提供される。
A specific nitrogen-containing heterocyclic compound having an action of inhibiting HIF-1 is provided. As a result, a HIF-1 inhibitor containing the specific nitrogen-containing heterocyclic compound, and thus an anticancer agent, is provided. Further, an anti-HBV agent containing the specific nitrogen-containing heterocyclic compound is provided.
以下、本開示に包含される各実施形態について、さらに詳細に説明する。本開示は、特定の含窒素複素環式化合物及びその用途等を好ましく包含するが、これらに限定されるわけではなく、本開示は本明細書に開示され当業者が認識できる全てを包含する。
Hereinafter, each embodiment included in the present disclosure will be described in more detail. The present disclosure preferably includes, but is not limited to, specific nitrogen-containing heterocyclic compounds and uses thereof, and the present disclosure includes all disclosed in the present specification and recognized by those skilled in the art.
本開示に包含される特定の含窒素複素環式化合物は、式(1):
〔式(1)中、
Xは基X-1:
(当該式中、
X1は炭素原子又は窒素原子を示し、
RX1、RX2、及びRX3は、それぞれ独立して、水素原子、ハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示す)
を示し、
Yは基Y-1:
(当該式中、
Y1は炭素原子又は窒素原子を示し、
RY1a、RY1b、及びRY1cは、それぞれ独立して、水素原子、ハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1ii(当該式中、-Y1i-は-CO-、-SO2-、若しくは-CH2-を示し、-Y1iiはC1~C4アルキル基又はフェニル基若しくはベンジル基を示す)で表される基を示す)
又は基Y-2:
(当該式中、
Y2は炭素原子又は窒素原子を示し、
RY2a、RY2b、及びRY2cは、それぞれ独立して、水素原子、ハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y2i-Y2ii(当該式中、-Y2i-は-CO-、-SO2-、若しくは-CH2-を示し、-Y2iiはC1~C4アルキル基又はフェニル基若しくはベンジル基を示す)で表される基を示す)
を示し、
Zはメチレン基又は基Z-1:
(当該式中、Arはベンゼン環、フラン環、若しくはピラゾール環を示す)
を示し、
mは0、1、又は2を示し、
nは1、2、又は3を示す。〕
で表される化合物である。当該化合物を「本開示の化合物」と呼ぶことがある。 Specific nitrogen-containing heterocyclic compounds included in the present disclosure include formula (1) :.
[In equation (1),
X is the base X-1:
(In the formula,
X 1 represents a carbon atom or a nitrogen atom,
RX1 , RX2 , and RX3 independently indicate a hydrogen atom, a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group).
Show,
Y is the base Y-1:
(In the formula,
Y 1 represents a carbon atom or a nitrogen atom.
RY1a , RY1b , and RY1c are independently hydrogen atom, halogen atom, C1-C4 alkyl group, nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or formula:-. NH-Y 1i -Y 1ii (in the formula, -Y 1i- indicates -CO-, -SO 2- , or -CH 2- , and -Y 1ii indicates a C1-C4 alkyl group or a phenyl group or a benzyl group. Indicates a group represented by))
Or group Y-2:
(In the formula,
Y 2 indicates a carbon atom or a nitrogen atom.
RY2a , RY2b , and RY2c are independently hydrogen atom, halogen atom, C1-C4 alkyl group, nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or formula:-. NH-Y 2i -Y 2ii (in the formula, -Y 2i- indicates -CO-, -SO 2- , or -CH 2- , and -Y 2ii is a C1-C4 alkyl group or a phenyl group or a benzyl group. Indicates a group represented by))
Show,
Z is a methylene group or a group Z-1:
(In the formula, Ar indicates a benzene ring, a furan ring, or a pyrazole ring)
Show,
m indicates 0, 1, or 2,
n indicates 1, 2, or 3. ]
It is a compound represented by. The compound may be referred to as the "compound of the present disclosure".
Xは基X-1:
X1は炭素原子又は窒素原子を示し、
RX1、RX2、及びRX3は、それぞれ独立して、水素原子、ハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示す)
を示し、
Yは基Y-1:
Y1は炭素原子又は窒素原子を示し、
RY1a、RY1b、及びRY1cは、それぞれ独立して、水素原子、ハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1ii(当該式中、-Y1i-は-CO-、-SO2-、若しくは-CH2-を示し、-Y1iiはC1~C4アルキル基又はフェニル基若しくはベンジル基を示す)で表される基を示す)
又は基Y-2:
Y2は炭素原子又は窒素原子を示し、
RY2a、RY2b、及びRY2cは、それぞれ独立して、水素原子、ハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y2i-Y2ii(当該式中、-Y2i-は-CO-、-SO2-、若しくは-CH2-を示し、-Y2iiはC1~C4アルキル基又はフェニル基若しくはベンジル基を示す)で表される基を示す)
を示し、
Zはメチレン基又は基Z-1:
を示し、
mは0、1、又は2を示し、
nは1、2、又は3を示す。〕
で表される化合物である。当該化合物を「本開示の化合物」と呼ぶことがある。 Specific nitrogen-containing heterocyclic compounds included in the present disclosure include formula (1) :.
X is the base X-1:
X 1 represents a carbon atom or a nitrogen atom,
RX1 , RX2 , and RX3 independently indicate a hydrogen atom, a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group).
Show,
Y is the base Y-1:
Y 1 represents a carbon atom or a nitrogen atom.
RY1a , RY1b , and RY1c are independently hydrogen atom, halogen atom, C1-C4 alkyl group, nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or formula:-. NH-Y 1i -Y 1ii (in the formula, -Y 1i- indicates -CO-, -SO 2- , or -CH 2- , and -Y 1ii indicates a C1-C4 alkyl group or a phenyl group or a benzyl group. Indicates a group represented by))
Or group Y-2:
Y 2 indicates a carbon atom or a nitrogen atom.
RY2a , RY2b , and RY2c are independently hydrogen atom, halogen atom, C1-C4 alkyl group, nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or formula:-. NH-Y 2i -Y 2ii (in the formula, -Y 2i- indicates -CO-, -SO 2- , or -CH 2- , and -Y 2ii is a C1-C4 alkyl group or a phenyl group or a benzyl group. Indicates a group represented by))
Show,
Z is a methylene group or a group Z-1:
Show,
m indicates 0, 1, or 2,
n indicates 1, 2, or 3. ]
It is a compound represented by. The compound may be referred to as the "compound of the present disclosure".
なお、本明細書において、C1~C4アルキル基は、メチル基、エチル基、n-プロピル基、イソプロピル基、n-ブチル基、イソブチル基、sec-ブチル基、又はtert-ブチル基を示し、メチル基、エチル基、n-プロピル基、イソプロピル基、又はn-ブチル基が好ましい。また、本明細書において、C1~C4アルコキシ基は、(C1~C4アルキル基)-O-と表されるアルコキシ基を示し、メトキシ基、エトキシ基、n-プロポキシ基、イソプロポキシ基、又はn-ブトキシ基が好ましい。また、本明細書において、ハロゲン原子は、F、Cl、Br、又はIを示し、F又はClが好ましい。
In the present specification, the C1 to C4 alkyl groups represent a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, an isobutyl group, a sec-butyl group, or a tert-butyl group, and are methyl. A group, an ethyl group, an n-propyl group, an isopropyl group, or an n-butyl group is preferable. Further, in the present specification, the C1-C4 alkoxy group indicates an alkoxy group represented by (C1-C4 alkyl group) -O-, and is a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, or n. -Butoxy groups are preferred. Further, in the present specification, the halogen atom indicates F, Cl, Br, or I, and F or Cl is preferable.
上記の通り、基X-1においては、X1は炭素原子又は窒素原子を示すところ、炭素原子を示すことが好ましい。また、RX1、RX2、及びRX3は、それぞれ独立して、水素原子、ハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示すところ、RX1、RX2、及びRX3の1つ又は2つが水素原子であることが好ましく、2つが水素原子であることがより好ましい。
As described above, in the group X-1, where X 1 indicates a carbon atom or a nitrogen atom, it is preferable to indicate a carbon atom. Further, RX1 , RX2 , and RX3 independently have a hydrogen atom, a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group. As shown, it is preferable that one or two of RX1, RX2 , and RX3 are hydrogen atoms, and more preferably two are hydrogen atoms.
RX1、RX2、及びRX3の1つが水素原子である場合、これらのいずれか1つが水素原子を示し、のこりの2つが、それぞれ独立して、ハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示す。例えば、RX1、RX2、及びRX3のいずれか1つが水素原子を示し、残りの2つが同じハロゲン原子を示すことが中でも好ましい。
When one of RX1 , RX2 , and RX3 is a hydrogen atom, any one of them represents a hydrogen atom, and the other two independently represent a halogen atom, a trifluoromethyl group, and a trifluoromethoxy. A group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group is shown. For example, it is particularly preferable that any one of RX1, RX2 , and RX3 represents a hydrogen atom and the other two represent the same halogen atom.
RX1、RX2、及びRX3の2つが水素原子である場合、これらのいずれか1つがハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示し、残りの2つが水素原子を示す。例えば、RX1がハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示し、RX2及びRX3が水素原子を示すことが中でも好ましい。
When two of RX1 , RX2 , and RX3 are hydrogen atoms, any one of them is a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or It shows a hydroxyl group and the other two show hydrogen atoms. For example, it is particularly preferable that RX1 represents a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group, and RX2 and RX3 represent a hydrogen atom. ..
好ましい基X-1としては、より具体的には例えば以下の基が挙げられる。
More specifically, examples of the preferred group X-1 include the following groups.
上記の通り、Yは基Y-1又は基Y-2を示し、基Y-1を示すことが好ましい。
As described above, Y indicates a group Y-1 or a group Y-2, and it is preferable to indicate a group Y-1.
基Y-1においては、Y1は炭素原子又は窒素原子を示し、窒素原子を示すことが好ましい。また、RY1a、RY1b、及びRY1cは、それぞれ独立して、水素原子、ハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1ii(当該式中、-Y1i-は-CO-、-SO2-、若しくは-CH2-を示し、-Y1iiはC1~C4アルキル基又はフェニル基若しくはベンジル基を示す)で表される基を示すところ、RY1a、RY1b、及びRY1cの1つ、2つ、又は3つが水素原子であることが好ましく、1つ又は2つが水素原子であることがより好ましく、2つが水素原子であることがさらに好ましい。
In the group Y-1, Y 1 represents a carbon atom or a nitrogen atom, preferably a nitrogen atom. Further, RY1a , RY1b , and RY1c are independently hydrogen atom, halogen atom, C1 to C4 alkyl group, nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or the formula. : -NH-Y 1i -Y 1ii (in the formula, -Y 1i- indicates -CO-, -SO 2- , or -CH 2- , and -Y 1ii is a C1-C4 alkyl group or a phenyl group or benzyl. When the group represented by) is shown, one, two, or three of RY1a , RY1b , and RY1c are preferably hydrogen atoms, and one or two are hydrogen atoms. Is more preferable, and it is even more preferable that two are hydrogen atoms.
RY1a、RY1b、及びRY1cの1つが水素原子である場合、これらのいずれか1つが水素原子を示し、残りの2つが、ハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示す。例えば、RY1a又はRY1bが水素原子である場合が好ましく、RY1aが水素原子、RY1bがC1~C4アルキル基、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すこと、あるいは、RY1aがC1~C4アルキル基、RY1bが水素原子、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すこと、がより好ましい。
When one of RY1a , RY1b , and RY1c is a hydrogen atom, one of these indicates a hydrogen atom, and the other two are a halogen atom, a C1-C4 alkyl group, a nitro group, and -CO-NH. -CH 2 CH 3 , -NH 3 Cl, or formula: -NH-Y 1i -indicates a group represented by Y 1ii . For example, it is preferable that RY1a or RY1b is a hydrogen atom, RY1a is a hydrogen atom, RY1b is a C1-C4 alkyl group, and RY1c is a nitro group or the formula: -NH-Y 1i -Y 1ii . Or, RY1a indicates a C1 to C4 alkyl group, RY1b indicates a hydrogen atom, RY1c indicates a nitro group, or a group represented by the formula: -NH- Y1i - Y1ii . preferable.
RY1a、RY1b、及びRY1cの2つが水素原子である場合、これらのいずれか1つがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、残りの2つが水素原子を示す。例えば、RY1bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY1a及びRY1cが水素原子を示すことが中でも好ましい。
When two of RY1a , RY1b , and RY1c are hydrogen atoms, any one of them is a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl. , Or formula: -NH-Y 1i -Represents a group represented by Y 1ii , and the remaining two represent hydrogen atoms. For example, RY1b indicates a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii . , RY1a and RY1c particularly preferably exhibit hydrogen atoms.
基Y-2においては、Y2は炭素原子又は窒素原子を示し、窒素原子を示すことが好ましい。また、RY2a、RY2b、及びRY2cは、それぞれ独立して、水素原子、ハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y2i-Y2ii(当該式中、-Y2i-は-CO-、-SO2-、若しくは-CH2-を示し、-Y2iiはC1~C4アルキル基又はフェニル基若しくはベンジル基を示す)で表される基を示すところ、RY2a、RY2b、及びRY2cの1つ、2つ、又は3つが水素原子であることが好ましく、1つ又は2つが水素原子であることがより好ましく、2つが水素原子であることがさらに好ましい。
In the group Y-2, Y 2 represents a carbon atom or a nitrogen atom, preferably a nitrogen atom. Further, RY2a , RY2b , and RY2c are independently hydrogen atom, halogen atom, C1-C4 alkyl group, nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or the formula. : -NH-Y 2i -Y 2ii (in the formula, -Y 2i- indicates -CO-, -SO 2- , or -CH 2- , and -Y 2i is a C1-C4 alkyl group or a phenyl group or benzyl. When the group represented by) is shown, one, two, or three of RY2a , RY2b , and RY2c are preferably hydrogen atoms, and one or two are hydrogen atoms. Is more preferable, and it is even more preferable that two are hydrogen atoms.
RY2a、RY2b、及びRY2cの2つが水素原子である場合、これらのいずれか1つがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y2i-Y2iiで表される基を示し、残りの2つが水素原子を示す。例えば、RY2bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2a及びRY2cが水素原子を示すこと、あるいは、RY2aがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2b及びRY2cが水素原子を示すことが中でも好ましい。
When two of RY2a , RY2b , and RY2c are hydrogen atoms, any one of them is a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl. , Or formula: -NH-Y 2i -Represents a group represented by Y 2ii , and the remaining two represent hydrogen atoms. For example, RY2b indicates a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii . , RY2a and RY2c indicate a hydrogen atom, or RY2a is a halogen atom, C1-C4 alkyl group, nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or formula: -NH. -Y 1i -It is particularly preferable that the group represented by Y 1ii is shown, and RY2b and RY2c represent hydrogen atoms.
好ましい基Y-1及び基Y-2としては、より具体的には例えば以下の基が挙げられる。
More specifically, the following groups can be mentioned as preferable groups Y-1 and Y-2.
上記の通り、Zはメチレン基又は基Z-1を示す。
As described above, Z represents a methylene group or a group Z-1.
基Z-1においては、Arはベンゼン環、フラン環、若しくはピラゾール環を示すところ、ピラゾール環を示すことが好ましい。
In the group Z-1, where Ar indicates a benzene ring, a furan ring, or a pyrazole ring, it is preferable to indicate a pyrazole ring.
Arがベンゼン環を示す場合、基Z-1は、
のいずれかの基を示し、この左側又は中央の基を示すことが好ましい。なお、アスタリスク側が、式(1)におけるY側であること(換言すれば、アスタリスクが無い側が、式(1)におけるX側であること)がより好ましい。
When Ar represents a benzene ring, the group Z-1 is
It is preferable to indicate one of the groups, and to indicate the left side or the center group. It is more preferable that the asterisk side is the Y side in the equation (1) (in other words, the side without the asterisk is the X side in the equation (1)).
Arがフラン環を示す場合、基Z-1は、
のいずれかの基を示し、この左側の基を示すことが好ましい。なお、アスタリスク側が、式(1)におけるY側であること(換言すれば、アスタリスクが無い側が、式(1)におけるX側であること)がより好ましい。
When Ar represents a furan ring, the group Z-1 is
It is preferable to indicate one of the groups of 1 and the group on the left side thereof. It is more preferable that the asterisk side is the Y side in the equation (1) (in other words, the side without the asterisk is the X side in the equation (1)).
Arがピラゾール環を示す場合、基Z-1は、
のいずれかの基を示すことが好ましく、この左側の基を示すことがより好ましい。なお、アスタリスク側が、式(1)におけるY側であること(換言すれば、アスタリスクが無い側が、式(1)におけるX側であること)が特に好ましい。
When Ar represents a pyrazole ring, the group Z-1 is
It is preferable to indicate one of the groups, and it is more preferable to indicate the group on the left side. It is particularly preferable that the asterisk side is the Y side in the equation (1) (in other words, the side without the asterisk is the X side in the equation (1)).
式(1)で表される化合物としては、具体的には以下の表に挙げられる化合物が好ましく例示される。なお、特に限定はされないが、当該表の一番上に示される化合物(ID:5001)は、本開示の化合物から除かれてもよい。
As the compound represented by the formula (1), specifically, the compounds listed in the following table are preferably exemplified. Although not particularly limited, the compound (ID: 5001) shown at the top of the table may be excluded from the compounds of the present disclosure.
本開示の化合物は、優れた低酸素誘導因子-1(HIF-1)阻害効果を奏する。このため、本開示の化合物又はその塩はHIF-1阻害のために好ましく用いることができる。そして、このため、本開示の化合物又はその塩は、抗がん剤として好ましく用いることができる。本開示は、本開示の化合物又はその塩を含有するHIF-1阻害剤、及び本開示の化合物又はその塩を含有する抗がん剤を好ましく包含する。当該HIF-1阻害剤及び抗癌剤をそれぞれ本開示のHIF-1阻害剤及び本開示の抗がん剤ということがある。
The compound of the present disclosure exhibits an excellent hypoxia-inducible factor-1 (HIF-1) inhibitory effect. Therefore, the compounds of the present disclosure or salts thereof can be preferably used for HIF-1 inhibition. Therefore, the compound of the present disclosure or a salt thereof can be preferably used as an anticancer agent. The present disclosure preferably includes HIF-1 inhibitors containing the compounds of the present disclosure or salts thereof, and anticancer agents containing the compounds of the present disclosure or salts thereof. The HIF-1 inhibitor and the anticancer agent may be referred to as the HIF-1 inhibitor of the present disclosure and the anticancer agent of the present disclosure, respectively.
また、本開示の化合物は、抗HBV(抗B型肝炎ウイルス)活性をも奏し得る。より詳細には、本開示の化合物は、B型肝炎ウイルスの複製に関与するプロモーターの1つであるbasal core promoter(BCP)を阻害する活性を奏し得る。このため、本開示の化合物は、抗HBV剤としても用い得る。このため、本開示は、本開示の化合物又はその塩を含有する抗HBV剤をも好ましく包含する。当該抗HBV剤を本開示の抗HBV剤ということがある。
The compounds of the present disclosure may also exhibit anti-HBV (anti-hepatitis B virus) activity. More specifically, the compounds of the present disclosure may exhibit activity to inhibit the basic core promoter (BCP), which is one of the promoters involved in the replication of hepatitis B virus. Therefore, the compounds of the present disclosure can also be used as anti-HBV agents. For this reason, the present disclosure also preferably includes anti-HBV agents containing the compounds of the present disclosure or salts thereof. The anti-HBV agent may be referred to as an anti-HBV agent of the present disclosure.
またさらに、本開示の化合物は、抗癌作用及び抗HBV作用を併せ持つ化合物を好ましく包含しており、このような化合物を含有する剤は、抗がん兼抗HBV剤として好ましく用いることができる。
Furthermore, the compound of the present disclosure preferably includes a compound having both an anticancer effect and an antiHBV effect, and an agent containing such a compound can be preferably used as an anticancer and antiHBV agent.
なお、本開示の化合物又はその塩を含有するこれらの剤をまとめて本開示の剤ということがある。本開示の剤は、医薬組成物として好ましく用いることができる。
Note that these agents containing the compound of the present disclosure or a salt thereof may be collectively referred to as the agent of the present disclosure. The agents of the present disclosure can be preferably used as pharmaceutical compositions.
本開示の化合物の塩としては、薬理学的に許容される塩であることが好ましい。より具体的には、例えば、塩基性基に対する塩として、塩酸、硫酸、リン酸、硝酸、臭化水素酸等の無機酸との塩、酢酸、クエン酸、安息香酸、マレイン 酸、フマル酸、酒石酸、コハク酸、タンニン酸、酪酸、ヒベンズ酸、パモ酸、エナント酸 、デカン酸、テオクル酸、サリチル酸、乳酸、シュウ酸、マンデル酸、リンゴ酸等の有機カルボン酸との塩、メタンスルホン酸、ベンゼンスルホン酸、p-トルエンスルホン酸等 の有機スルホン酸との塩が例示される。また、例えば、酸性基に対する塩として、アンモニウム塩、ナトリウム、カリウム等のアルカリ金属との塩、カルシウム、マ グネシウム等のアルカリ土類金属との塩、アルミニウム塩、亜鉛塩、トリエチルアミン、 エタノールアミン、モルホリン、ピロリジン、ピペリジン、ピペラジン、ジシクロへキシ ルアミン等の有機アミンとの塩、アルギニン、リジン等の塩基性アミノ酸との塩が挙げられる。なお、塩としては、1種の塩を用いてもよく、2以上の塩を組み合わせて用いてもよい。
The salt of the compound of the present disclosure is preferably a pharmacologically acceptable salt. More specifically, for example, as a salt for a basic group, a salt with an inorganic acid such as hydrochloric acid, sulfuric acid, phosphoric acid, nitric acid, hydrobromic acid, acetic acid, citric acid, benzoic acid, maleic acid, fumaric acid, Salts with organic carboxylic acids such as tartrate acid, succinic acid, tannic acid, butyric acid, hibenzic acid, pamoic acid, enant acid, decanoic acid, theocric acid, salicylic acid, lactic acid, oxalic acid, mandelic acid, malic acid, methanesulfonic acid, Examples thereof include salts with organic sulfonic acids such as benzene sulfonic acid and p-toluene sulfonic acid. Further, for example, as a salt for an acidic group, a salt with an alkali metal such as ammonium salt, sodium and potassium, a salt with an alkaline earth metal such as calcium and magnesium, an aluminum salt, a zinc salt, a triethylamine, an ethanolamine and a morpholin. , Salts with organic amines such as pyrrolidine, piperidine, piperazine, dicyclohexylamine, and salts with basic amino acids such as arginine and lysine. As the salt, one kind of salt may be used, or two or more salts may be used in combination.
また、本開示の剤においては、本開示の化合物又はその塩は、溶媒和物の形態であってもよい。例えば好ましい溶媒和物として 水和物が例示できる。また、本開示の剤においては、本開示の化合物又はその塩は、任意の結晶型であってもよい。
Further, in the agent of the present disclosure, the compound of the present disclosure or a salt thereof may be in the form of a solvate. For example, a hydrate can be exemplified as a preferable solvate. Further, in the agent of the present disclosure, the compound of the present disclosure or a salt thereof may be of any crystalline form.
本開示の剤は、有効成分である上記化合物又はその塩を、薬理学的に許容される溶媒(例えば水、生理食塩水、緩衝液等)を用いて希釈、溶解 、または分散等し、対象に投与するための医薬形態とすることができる。当該剤は、任意の剤形で製剤化されていてよい。剤形としては、例えば、錠剤、カプセル剤、顆粒剤、細粒剤、散剤、徐放性製剤、液剤、懸濁剤、エマルジョン剤、シロップ剤、エリキシル剤等の経口剤、注射剤、坐剤等の非経口剤が挙げられる。製剤化にあたっては、例えば、賦形剤、結合剤、崩壊剤、滑沢剤、緩衝剤、安定化剤、矯味剤、矯臭剤、着色剤、香料、希釈剤、界面活性剤等の薬理学的に許容される添加剤を使用することができる。
The agent of the present disclosure is a subject obtained by diluting, dissolving, or dispersing the above compound or a salt thereof, which is an active ingredient, with a pharmacologically acceptable solvent (for example, water, physiological saline, buffer solution, etc.). It can be in the form of a pharmaceutical for administration to. The agent may be formulated in any dosage form. Dosage forms include, for example, tablets, capsules, granules, fine granules, powders, sustained release preparations, solutions, suspensions, emulsions, syrups, elixirs and other oral preparations, injections, suppositories. Examples thereof include parenteral preparations such as. Pharmacological preparations include, for example, excipients, binders, disintegrants, lubricants, buffers, stabilizers, flavoring agents, odorants, colorants, fragrances, diluents, surfactants and the like. Allowable additives can be used.
また、本開示の剤における有効成分である本開示の化合物又はその塩の含有割割合は、剤形や投与形態、投与対象等に応じて適宜設定することができる。例えば、本開示の化合物の重量に換算して、50%(w/w)以下、10%(w/w)以下、または5%(w/w)以下であってよい。また例えば、0.01%(w/w)以上、0.1%(w/w )以上、または1%(w/w)以上であってよい。
Further, the content ratio of the compound of the present disclosure or a salt thereof, which is the active ingredient in the agent of the present disclosure, can be appropriately set according to the dosage form, administration form, administration target, and the like. For example, it may be 50% (w / w) or less, 10% (w / w) or less, or 5% (w / w) or less in terms of the weight of the compound of the present disclosure. Further, for example, it may be 0.01% (w / w) or more, 0.1% (w / w) or more, or 1% (w / w) or more.
本発明の抗がん剤を対象に投与することにより、対象のがんを予防又は治療することができる。対象としては、特に制限されず、ヒトの他には、例えば非ヒト哺乳動物が挙げられる。非ヒト哺乳動物として例えばペット又は家畜が挙げられ、より具体的には例えばマウス、ラット、イヌ、ネコ、サル、ウシ、ブタ、ヒツジ、ウマ等が挙げられる。対象はがんを患っている対象であることが好ましい。また、がんのみならずHBV感染症をも患っている対象に対しても好ましく用いることができる。
By administering the anticancer agent of the present invention to a subject, the target cancer can be prevented or treated. The target is not particularly limited, and examples thereof include non-human mammals in addition to humans. Examples of non-human mammals include pets or livestock, and more particularly examples include mice, rats, dogs, cats, monkeys, cows, pigs, sheep, horses and the like. The subject is preferably a subject suffering from cancer. Further, it can be preferably used for a subject suffering from not only cancer but also HBV infection.
本発明の抗HBV剤を対象に投与することにより、対象のHBV感染症を予防又は治療することができる。対象としては、特に制限されず、ヒトの他には、例えば非ヒト哺乳動物が挙げられる。非ヒト哺乳動物として例えばペット又は家畜が挙げられ、より具体的には例えばマウス、ラット、イヌ、ネコ、サル、ウシ、ブタ、ヒツジ、ウマ等が挙げられる。対象はHBV感染症を患っている対象であることが好ましい。また、HBV感染症のみならずがんをも患っている対象に対しても好ましく用いることができる。
By administering the anti-HBV agent of the present invention to a subject, the HBV infection of the subject can be prevented or treated. The target is not particularly limited, and examples thereof include non-human mammals in addition to humans. Examples of non-human mammals include pets or livestock, and more particularly examples include mice, rats, dogs, cats, monkeys, cows, pigs, sheep, horses and the like. The subject is preferably a subject suffering from an HBV infection. Further, it can be preferably used for a subject suffering from cancer as well as HBV infection.
本開示の剤の投与量は、例えば、有効成分の含有量、用法、年齢、性別、症状の程度等の諸条件に応じて適宜設定することができる。例えば、含有される有効成分(本開示の化合物又はその塩)を、本開示の化合物の量に換算して、好ましくは0.1mg/kg体重/日~500mg/kg 体重/日、より好ましくは1mg/kg体重/日~100mg/kg体重/日であること ができる。また、1日1回又は複数回(例えば2又は3回)に分けて投与することができる。各回の投与時の投与量は、有効成分の投与量に換算して一定であってもよく、差があってもよい。
The dose of the agent of the present disclosure can be appropriately set according to various conditions such as the content of the active ingredient, usage, age, gender, degree of symptom, and the like. For example, the active ingredient contained (the compound of the present disclosure or a salt thereof) is preferably converted into the amount of the compound of the present disclosure, preferably 0.1 mg / kg body weight / day to 500 mg / kg body weight / day, more preferably. It can be from 1 mg / kg body weight / day to 100 mg / kg body weight / day. In addition, it can be administered once a day or divided into a plurality of times (for example, 2 or 3 times). The dose at each administration may be constant or different in terms of the dose of the active ingredient.
なお、本明細書において「含む」とは、「本質的にからなる」と、「からなる」をも包含する(The term "comprising" includes "consisting essentially of” and "consisting of.")。また、本開示は、本明細書に説明した構成要件を任意の組み合わせを全て包含する。
In addition, in this specification, "includes" also includes "consisting of" and "consisting of" (The term "comprising" includes "consisting essentially of" and "consisting of."). In addition, the present disclosure includes all combinations of the constituent elements described herein.
また、上述した本開示の各実施形態について説明した各種特性(性質、構造、機能等)は、本開示に包含される主題を特定するにあたり、どのように組み合わせられてもよい。すなわち、本開示には、本明細書に記載される組み合わせ可能な各特性のあらゆる組み合わせからなる主題が全て包含される。
Further, the various characteristics (property, structure, function, etc.) described for each embodiment of the present disclosure described above may be combined in any way in specifying the subject matter included in the present disclosure. That is, the present disclosure includes all subjects consisting of any combination of each of the combinable properties described herein. The
以下、例を示して本開示の実施形態をより具体的に説明するが、本開示の実施形態は下記の例に限定されるものではない。なお、以下化合物はID番号(「KUSC-5000番台の番号」の記載)及び/又は各スキームにおいて記載する化合物番号(一桁又は二桁の整数)を用いて特定することがある。
Hereinafter, embodiments of the present disclosure will be described in more detail with reference to examples, but the embodiments of the present disclosure are not limited to the following examples. The following compounds may be specified by using an ID number (described in "KUSC-5000 series number") and / or a compound number (one-digit or two-digit integer) described in each scheme.
実施例(各化合物の合成)
Example (synthesis of each compound)
・ブロモ体3,4の合成は、文献既知の方法(Brunet,E. et al. Eur. J. Org. Chem,2000,1913.)に従って、行った。1HNMRの値は、文献値と一致した。
-Synthesis of bromo forms 3 and 4 was carried out according to a method known in the literature (Brunet, E. et al. Eur. J. Org. Chem, 2000, 1913.). 1 The 1 HNMR value was in agreement with the literature value.
・エステル体6の合成
4-ニトロピラゾール5(100.2mg,0.886mmol)のDMF溶液0.49mlにブロモ体3(227.1mg,0.974mmol),K2CO3(244.9mg,1.77mmol)を添加し、室温で5.3時間撹拌した。水で反応を停止させ、CHCl3で抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、エステル体6(225.1mg,96%)を得た。
1HNMR (500MHz,CDCl3)δ ppm: 1.40(3H,t,J=7.0Hz),4.42(2H,q,J=7.0Hz),6.37(2H,s),6.87(1H,d,J=3.0Hz),7.74(1H,d,J=2.0Hz),8.10(1H,s),8.45(1H,s);
HR―ESI―MS calcd C10H11N5O4Na [M+Na]+
288.0704,found,288.0725 -Synthesis of ester form 6 4-nitropyrazole 5 (100.2 mg, 0.886 mmol) in 0.49 ml of DMF solution, bromo form 3 (227.1 mg, 0.974 mmol), K2 CO 3 ( 244.9 mg, 1). .77 mmol) was added, and the mixture was stirred at room temperature for 5.3 hours. The reaction was stopped with water, extraction was performed with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1) to obtain ester 6 (225.1 mg, 96%).
1 1 HNMR (500 MHz, CDCl 3 ) δ ppm: 1.40 (3H, t, J = 7.0 Hz), 4.42 (2H, q, J = 7.0 Hz), 6.37 (2H, s), 6.87 (1H, d, J = 3.0Hz), 7.74 (1H, d, J = 2.0Hz), 8.10 (1H, s), 8.45 (1H, s);
HR-ESI-MS calcd C 10 H 11 N 5 O 4 Na [M + Na] +
288.0704, found, 288.0725
4-ニトロピラゾール5(100.2mg,0.886mmol)のDMF溶液0.49mlにブロモ体3(227.1mg,0.974mmol),K2CO3(244.9mg,1.77mmol)を添加し、室温で5.3時間撹拌した。水で反応を停止させ、CHCl3で抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、エステル体6(225.1mg,96%)を得た。
1HNMR (500MHz,CDCl3)δ ppm: 1.40(3H,t,J=7.0Hz),4.42(2H,q,J=7.0Hz),6.37(2H,s),6.87(1H,d,J=3.0Hz),7.74(1H,d,J=2.0Hz),8.10(1H,s),8.45(1H,s);
HR―ESI―MS calcd C10H11N5O4Na [M+Na]+
288.0704,found,288.0725 -Synthesis of ester form 6 4-nitropyrazole 5 (100.2 mg, 0.886 mmol) in 0.49 ml of DMF solution, bromo form 3 (227.1 mg, 0.974 mmol), K2 CO 3 ( 244.9 mg, 1). .77 mmol) was added, and the mixture was stirred at room temperature for 5.3 hours. The reaction was stopped with water, extraction was performed with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1) to obtain ester 6 (225.1 mg, 96%).
1 1 HNMR (500 MHz, CDCl 3 ) δ ppm: 1.40 (3H, t, J = 7.0 Hz), 4.42 (2H, q, J = 7.0 Hz), 6.37 (2H, s), 6.87 (1H, d, J = 3.0Hz), 7.74 (1H, d, J = 2.0Hz), 8.10 (1H, s), 8.45 (1H, s);
HR-ESI-MS calcd C 10 H 11 N 5 O 4 Na [M + Na] +
288.0704, found, 288.0725
・カルボン酸中間体7の合成
エステル体6(53.0mg,0.20mmol)をMeOH 3mlと水 1mlの混合溶媒に溶解し、水酸化ナトリウム(11.2mg,0.28mmol)を添加し、110℃で18時間加熱還流した。反応溶液を室温に冷却し、濃塩酸を反応溶液がpH=2程度になるまで加えて、酸性化した。水で反応溶液を希釈し、CHCl3で抽出した。有機層を合わせて、硫酸ナトリウムで乾燥させ、溶媒を留去した。カルボン酸中間体7(37.8mg,61%)を得た。
1HNMR 500MHz in DMSO-d6 6.61(2H,s),6.79(1H,d,J=2.5Hz),8.19(1H,d,J=2.5Hz),8.39(1H,s),9.23(1H,s)
HR-ESI-MS calcd C8H7N5O4 [M+H]+,238.0532,found,238.0536 -Synthesis of Carboxylic Acid Intermediate 7 Ester 6 (53.0 mg, 0.20 mmol) was dissolved in a mixed solvent of 3 ml of MeOH and 1 ml of water, sodium hydroxide (11.2 mg, 0.28 mmol) was added, and 110 The mixture was heated under reflux at ° C. for 18 hours. The reaction solution was cooled to room temperature, and concentrated hydrochloric acid was added until the reaction solution had a pH of about 2 to acidify the reaction solution. The reaction solution was diluted with water and extracted with CHCl 3 . The organic layers were combined, dried over sodium sulfate, and the solvent was distilled off. Carboxylic acid intermediate 7 (37.8 mg, 61%) was obtained.
1 1 HNMR 500MHz in DMSO-d 6 6.61 (2H, s), 6.79 (1H, d, J = 2.5Hz), 8.19 (1H, d, J = 2.5Hz), 8.39 (1H, s), 9.23 (1H, s)
HR-ESI-MS calcd C 8 H 7 N 5 O 4 [M + H] + , 238.0532, found, 238.0536
エステル体6(53.0mg,0.20mmol)をMeOH 3mlと水 1mlの混合溶媒に溶解し、水酸化ナトリウム(11.2mg,0.28mmol)を添加し、110℃で18時間加熱還流した。反応溶液を室温に冷却し、濃塩酸を反応溶液がpH=2程度になるまで加えて、酸性化した。水で反応溶液を希釈し、CHCl3で抽出した。有機層を合わせて、硫酸ナトリウムで乾燥させ、溶媒を留去した。カルボン酸中間体7(37.8mg,61%)を得た。
1HNMR 500MHz in DMSO-d6 6.61(2H,s),6.79(1H,d,J=2.5Hz),8.19(1H,d,J=2.5Hz),8.39(1H,s),9.23(1H,s)
HR-ESI-MS calcd C8H7N5O4 [M+H]+,238.0532,found,238.0536 -Synthesis of Carboxylic Acid Intermediate 7 Ester 6 (53.0 mg, 0.20 mmol) was dissolved in a mixed solvent of 3 ml of MeOH and 1 ml of water, sodium hydroxide (11.2 mg, 0.28 mmol) was added, and 110 The mixture was heated under reflux at ° C. for 18 hours. The reaction solution was cooled to room temperature, and concentrated hydrochloric acid was added until the reaction solution had a pH of about 2 to acidify the reaction solution. The reaction solution was diluted with water and extracted with CHCl 3 . The organic layers were combined, dried over sodium sulfate, and the solvent was distilled off. Carboxylic acid intermediate 7 (37.8 mg, 61%) was obtained.
1 1 HNMR 500MHz in DMSO-d 6 6.61 (2H, s), 6.79 (1H, d, J = 2.5Hz), 8.19 (1H, d, J = 2.5Hz), 8.39 (1H, s), 9.23 (1H, s)
HR-ESI-MS calcd C 8 H 7 N 5 O 4 [M + H] + , 238.0532, found, 238.0536
・KUSC-5001の合成
カルボン酸中間体6(24.2mg,0.102mmol)のCH2Cl2溶液(1.40mL)にDIPEA(36μL,0.207mmol),HATU(34.8mg,0.102mmol)を添加し、室温で30分攪拌した。p-ブロモアニリン(8.0mg,0.047mmol)を添加し、室温で22時間反応させた。水で反応を停止し、CHCl3で抽出した。有機層を合わせて、1MHClで洗浄し、その後、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。分取TLC(Hexane/AcOEt=1:1)で精製し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5001(18.71mg,47%)を得た。
1HNMR 500MHz in CDCl3 6.33(2H,s),6.96(1H,m),7.47(2H,dd,J=8.8Hz),7.59(2H,d,J=9Hz),7.76(1H,d,J=2.5),8.12(1H,d,J=2Hz),8.43(1H,s),8.58(1H,br)
HR-ESI-MS:calcd C14H11BrN6O3Na [M+Na]+,412.9969,found,412.9983 -Synthesis of KUSC-5001 DIPEA (36 μL, 0.207 mmol), HATU (34.8 mg, 0.102 mmol) in CH 2 Cl 2 solution (1.40 mL) of carboxylic acid intermediate 6 (24.2 mg, 0.102 mmol). ) Was added, and the mixture was stirred at room temperature for 30 minutes. p-Bromoaniline (8.0 mg, 0.047 mmol) was added and reacted at room temperature for 22 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and washed with 1M HCl, and then washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Purification is performed by preparative TLC (Hexane / AcOEt = 1: 1), and then the obtained residue is purified by HPLC (cosmosil MSII, φ20 × 250 mm, elution: CH 3 CN / H 2 O = 60: 40). , KUSC-5001 (18.71 mg, 47%) was obtained.
1 1 HNMR 500MHz in CDCl 3 6.33 (2H, s), 6.96 (1H, m), 7.47 (2H, dd, J = 8.8Hz), 7.59 (2H, d, J = 9Hz) ), 7.76 (1H, d, J = 2.5), 8.12 (1H, d, J = 2Hz), 8.43 (1H, s), 8.58 (1H, br)
HR-ESI-MS: calcd C 14 H 11 BrN 6 O 3 Na [M + Na] + , 412.99969, found, 412.9983
カルボン酸中間体6(24.2mg,0.102mmol)のCH2Cl2溶液(1.40mL)にDIPEA(36μL,0.207mmol),HATU(34.8mg,0.102mmol)を添加し、室温で30分攪拌した。p-ブロモアニリン(8.0mg,0.047mmol)を添加し、室温で22時間反応させた。水で反応を停止し、CHCl3で抽出した。有機層を合わせて、1MHClで洗浄し、その後、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。分取TLC(Hexane/AcOEt=1:1)で精製し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5001(18.71mg,47%)を得た。
1HNMR 500MHz in CDCl3 6.33(2H,s),6.96(1H,m),7.47(2H,dd,J=8.8Hz),7.59(2H,d,J=9Hz),7.76(1H,d,J=2.5),8.12(1H,d,J=2Hz),8.43(1H,s),8.58(1H,br)
HR-ESI-MS:calcd C14H11BrN6O3Na [M+Na]+,412.9969,found,412.9983 -Synthesis of KUSC-5001 DIPEA (36 μL, 0.207 mmol), HATU (34.8 mg, 0.102 mmol) in CH 2 Cl 2 solution (1.40 mL) of carboxylic acid intermediate 6 (24.2 mg, 0.102 mmol). ) Was added, and the mixture was stirred at room temperature for 30 minutes. p-Bromoaniline (8.0 mg, 0.047 mmol) was added and reacted at room temperature for 22 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and washed with 1M HCl, and then washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Purification is performed by preparative TLC (Hexane / AcOEt = 1: 1), and then the obtained residue is purified by HPLC (cosmosil MSII, φ20 × 250 mm, elution: CH 3 CN / H 2 O = 60: 40). , KUSC-5001 (18.71 mg, 47%) was obtained.
1 1 HNMR 500MHz in CDCl 3 6.33 (2H, s), 6.96 (1H, m), 7.47 (2H, dd, J = 8.8Hz), 7.59 (2H, d, J = 9Hz) ), 7.76 (1H, d, J = 2.5), 8.12 (1H, d, J = 2Hz), 8.43 (1H, s), 8.58 (1H, br)
HR-ESI-MS: calcd C 14 H 11 BrN 6 O 3 Na [M + Na] + , 412.99969, found, 412.9983
・KUSC-5002の合成
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in Acetone-d6 6.73(2H,s)6.89(1H,d,J=2.5Hz),7.09(1H,td,J=7.5,2.0Hz),7.42(1H,td,J=8.0,2.0Hz),7.67(1H,dd,J=8.0,1.0Hz),8.21(1H,d,J=2.5Hz),8.22(1H,s),8.47(1H,dd,J=8.0,1.0Hz),9.04(1H,s),9.38(1H,br)
HR-ESI-MS:calcd C14H11BrN6NaO3
[M+Na]+ ,412.9969, found,412.9980 -Synthesis of KUSC-5002 Synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in Deuterated-d 6 6.73 (2H, s) 6.89 (1H, d, J = 2.5Hz), 7.09 (1H, td, J = 7.5,2.0Hz), 7.42 (1H, td, J = 8.0, 2.0Hz), 7.67 (1H, dd, J = 8.0, 1.0Hz), 8.21 (1H, d, J = 2. 5Hz), 8.22 (1H, s), 8.47 (1H, dd, J = 8.0, 1.0Hz), 9.04 (1H, s), 9.38 (1H, br)
HR-ESI-MS: calcd C 14 H 11 BrN 6 NaO 3
[M + Na] + , 412.99969, found, 412.9980
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in Acetone-d6 6.73(2H,s)6.89(1H,d,J=2.5Hz),7.09(1H,td,J=7.5,2.0Hz),7.42(1H,td,J=8.0,2.0Hz),7.67(1H,dd,J=8.0,1.0Hz),8.21(1H,d,J=2.5Hz),8.22(1H,s),8.47(1H,dd,J=8.0,1.0Hz),9.04(1H,s),9.38(1H,br)
HR-ESI-MS:calcd C14H11BrN6NaO3
[M+Na]+ ,412.9969, found,412.9980 -Synthesis of KUSC-5002 Synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in Deuterated-d 6 6.73 (2H, s) 6.89 (1H, d, J = 2.5Hz), 7.09 (1H, td, J = 7.5,2.0Hz), 7.42 (1H, td, J = 8.0, 2.0Hz), 7.67 (1H, dd, J = 8.0, 1.0Hz), 8.21 (1H, d, J = 2. 5Hz), 8.22 (1H, s), 8.47 (1H, dd, J = 8.0, 1.0Hz), 9.04 (1H, s), 9.38 (1H, br)
HR-ESI-MS: calcd C 14 H 11 BrN 6 NaO 3
[M + Na] + , 412.99969, found, 412.9980
・KUSC-5003
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 6.34(2H,s),6.96(1H,s),7.23(2H,m),7.61(1H,d,J=8Hz),7.78(1H,d,J=2Hz),7.92(1H,d,J=2Hz),8.45(1H,s),8.59(1H,br)
HR-ESI-MS:calcd C14H11BrN6NaO3 [M+Na]+,414.9948,found,414.9955 ・ KUSC-5003
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 6.34 (2H, s), 6.96 (1H, s), 7.23 (2H, m), 7.61 (1H, d, J = 8Hz), 7.78 ( 1H, d, J = 2Hz), 7.92 (1H, d, J = 2Hz), 8.45 (1H, s), 8.59 (1H, br)
HR-ESI-MS: calcd C 14 H 11 BrN 6 NaO 3 [M + Na] + , 414.9948, found, 414.9955
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 6.34(2H,s),6.96(1H,s),7.23(2H,m),7.61(1H,d,J=8Hz),7.78(1H,d,J=2Hz),7.92(1H,d,J=2Hz),8.45(1H,s),8.59(1H,br)
HR-ESI-MS:calcd C14H11BrN6NaO3 [M+Na]+,414.9948,found,414.9955 ・ KUSC-5003
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 6.34 (2H, s), 6.96 (1H, s), 7.23 (2H, m), 7.61 (1H, d, J = 8Hz), 7.78 ( 1H, d, J = 2Hz), 7.92 (1H, d, J = 2Hz), 8.45 (1H, s), 8.59 (1H, br)
HR-ESI-MS: calcd C 14 H 11 BrN 6 NaO 3 [M + Na] + , 414.9948, found, 414.9955
・KUSC-5004
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 6.34(2H,s),6.99(1H,s)7.62(2H,d,J=8.5Hz),7.78-82(3H,m),8.13(1H,s),8.43(1H,s),8.70(1H,s)
HR-ESI-MS:calcd C15H11F3N6NaO3 [M+Na]+,
403.0737,found,403.0757 ・ KUSC-5004
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 6.34 (2H, s), 6.99 (1H, s) 7.62 (2H, d, J = 8.5Hz), 7.78-82 (3H, m), 8 .13 (1H, s), 8.43 (1H, s), 8.70 (1H, s)
HR-ESI-MS: calcd C 15 H 11 F 3 N 6 NaO 3 [M + Na] + ,
403.0737, found, 403.0757
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 6.34(2H,s),6.99(1H,s)7.62(2H,d,J=8.5Hz),7.78-82(3H,m),8.13(1H,s),8.43(1H,s),8.70(1H,s)
HR-ESI-MS:calcd C15H11F3N6NaO3 [M+Na]+,
403.0737,found,403.0757 ・ KUSC-5004
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 6.34 (2H, s), 6.99 (1H, s) 7.62 (2H, d, J = 8.5Hz), 7.78-82 (3H, m), 8 .13 (1H, s), 8.43 (1H, s), 8.70 (1H, s)
HR-ESI-MS: calcd C 15 H 11 F 3 N 6 NaO 3 [M + Na] + ,
403.0737, found, 403.0757
・KUSC-5005
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in Acetone-d6 6.65(2H,s),6.86(1H,d,J=2.0Hz),7.12(2H,m),7.81(2H,m),8.15(1H,d,J=2.5Hz),8.21(1H,s),8.94(1H,s),9.48(1H,br)
HR-ESI-MS:calcd C14H11FN6NaO3 [M+Na]+,353.0769,found,353.0774 ・ KUSC-5005
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in Acetone-d 6 6.65 (2H, s), 6.86 (1H, d, J = 2.0Hz), 7.12 (2H, m), 7.81 (2H, m), 8.15 (1H, d, J = 2.5Hz), 8.21 (1H, s), 8.94 (1H, s), 9.48 (1H, br)
HR-ESI-MS: calcd C 14 H 11 FN 6 NaO 3 [M + Na] + , 353.0769, found, 353.0774
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in Acetone-d6 6.65(2H,s),6.86(1H,d,J=2.0Hz),7.12(2H,m),7.81(2H,m),8.15(1H,d,J=2.5Hz),8.21(1H,s),8.94(1H,s),9.48(1H,br)
HR-ESI-MS:calcd C14H11FN6NaO3 [M+Na]+,353.0769,found,353.0774 ・ KUSC-5005
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in Acetone-d 6 6.65 (2H, s), 6.86 (1H, d, J = 2.0Hz), 7.12 (2H, m), 7.81 (2H, m), 8.15 (1H, d, J = 2.5Hz), 8.21 (1H, s), 8.94 (1H, s), 9.48 (1H, br)
HR-ESI-MS: calcd C 14 H 11 FN 6 NaO 3 [M + Na] + , 353.0769, found, 353.0774
・KUSC-5006
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 6.35(2H,s),6.98(1H,d,J=3.0Hz),7.39(1H,d,J=2.5Hz),7.48(1H,t,J=3.0Hz),7.79(1H,m),7.90(1H,d,J=8.0Hz),7.96(1H,s),8.12(1H,d,J=7.5Hz),8.47(1H,d,J=3.0Hz),8.73(1H,br)
HR-ESI-MS:calcd C15H11F3N6NaO3
[M+Na]+ ,403.0737,found,403.0740 ・ KUSC-5006
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 6.35 (2H, s), 6.98 (1H, d, J = 3.0Hz), 7.39 (1H, d, J = 2.5Hz), 7.48 (1H) , T, J = 3.0Hz), 7.79 (1H, m), 7.90 (1H, d, J = 8.0Hz), 7.96 (1H, s), 8.12 (1H, d) , J = 7.5Hz), 8.47 (1H, d, J = 3.0Hz), 8.73 (1H, br)
HR-ESI-MS: calcd C 15 H 11 F 3 N 6 NaO 3
[M + Na] + , 403.0737, found, 403.0740
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 6.35(2H,s),6.98(1H,d,J=3.0Hz),7.39(1H,d,J=2.5Hz),7.48(1H,t,J=3.0Hz),7.79(1H,m),7.90(1H,d,J=8.0Hz),7.96(1H,s),8.12(1H,d,J=7.5Hz),8.47(1H,d,J=3.0Hz),8.73(1H,br)
HR-ESI-MS:calcd C15H11F3N6NaO3
[M+Na]+ ,403.0737,found,403.0740 ・ KUSC-5006
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 6.35 (2H, s), 6.98 (1H, d, J = 3.0Hz), 7.39 (1H, d, J = 2.5Hz), 7.48 (1H) , T, J = 3.0Hz), 7.79 (1H, m), 7.90 (1H, d, J = 8.0Hz), 7.96 (1H, s), 8.12 (1H, d) , J = 7.5Hz), 8.47 (1H, d, J = 3.0Hz), 8.73 (1H, br)
HR-ESI-MS: calcd C 15 H 11 F 3 N 6 NaO 3
[M + Na] + , 403.0737, found, 403.0740
・KUSC-5007
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 6.33(2H,s),6.97(1H,s),7.33(2H,d,J=8.5Hz),7.64(2H,d,J=8.5Hz),7.76(1H,d,J=2.5Hz),8.12(1H,s),8.43(1H,s),8.58(1H,br)
HR-ESI-MS:calcd C14H11ClN6NaO3[M+Na]+,369.0479,found,369.0483 ・ KUSC-5007
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 6.33 (2H, s), 6.97 (1H, s), 7.33 (2H, d, J = 8.5Hz), 7.64 (2H, d, J = 8) .5Hz), 7.76 (1H, d, J = 2.5Hz), 8.12 (1H, s), 8.43 (1H, s), 8.58 (1H, br)
HR-ESI-MS: calcd C 14 H 11 ClN 6 NaO 3 [M + Na] + , 369.0479, found, 369.0483
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 6.33(2H,s),6.97(1H,s),7.33(2H,d,J=8.5Hz),7.64(2H,d,J=8.5Hz),7.76(1H,d,J=2.5Hz),8.12(1H,s),8.43(1H,s),8.58(1H,br)
HR-ESI-MS:calcd C14H11ClN6NaO3[M+Na]+,369.0479,found,369.0483 ・ KUSC-5007
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 6.33 (2H, s), 6.97 (1H, s), 7.33 (2H, d, J = 8.5Hz), 7.64 (2H, d, J = 8) .5Hz), 7.76 (1H, d, J = 2.5Hz), 8.12 (1H, s), 8.43 (1H, s), 8.58 (1H, br)
HR-ESI-MS: calcd C 14 H 11 ClN 6 NaO 3 [M + Na] + , 369.0479, found, 369.0483
・KUSC-5008
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 6.33(2H,s),6.97(1H,d,J=2.5Hz),7.15(1H,t,J=7.5Hz),7.37(2H,t,J=8.0Hz),7.68(2H,d,J=8.5Hz),7.76(1H,d,J=2.5Hz),8.12(1H,s),8.44(1H,s),8.57(1H,br)
HR-ESI-MS:calcd C14H12N6NaO3[M+Na]+,
335.0869,found,335.0864 ・ KUSC-5008
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 6.33 (2H, s), 6.97 (1H, d, J = 2.5Hz), 7.15 (1H, t, J = 7.5Hz), 7.37 (2H) , T, J = 8.0Hz), 7.68 (2H, d, J = 8.5Hz), 7.76 (1H, d, J = 2.5Hz), 8.12 (1H, s), 8 .44 (1H, s), 8.57 (1H, br)
HR-ESI-MS: calcd C 14 H 12 N 6 NaO 3 [M + Na] + ,
335.0869, found, 335.0864
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 6.33(2H,s),6.97(1H,d,J=2.5Hz),7.15(1H,t,J=7.5Hz),7.37(2H,t,J=8.0Hz),7.68(2H,d,J=8.5Hz),7.76(1H,d,J=2.5Hz),8.12(1H,s),8.44(1H,s),8.57(1H,br)
HR-ESI-MS:calcd C14H12N6NaO3[M+Na]+,
335.0869,found,335.0864 ・ KUSC-5008
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 6.33 (2H, s), 6.97 (1H, d, J = 2.5Hz), 7.15 (1H, t, J = 7.5Hz), 7.37 (2H) , T, J = 8.0Hz), 7.68 (2H, d, J = 8.5Hz), 7.76 (1H, d, J = 2.5Hz), 8.12 (1H, s), 8 .44 (1H, s), 8.57 (1H, br)
HR-ESI-MS: calcd C 14 H 12 N 6 NaO 3 [M + Na] + ,
335.0869, found, 335.0864
・KUSC-5010
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 1.25(6H,d,J=7.0Hz),2.89(1H,septet,J=7.0Hz),6.32(2H,s),6.96(1H,d,J=3.0Hz),7.22(2H,d,J=8.5Hz),7.58(2H,d,J=8.5Hz),7.75(1H,d,J=2.5Hz),8.12(1H,s),8.44(1H,s),8.54(1H,br)
HR-ESI-MS:calcd C17H18N6O3Na [M+H]+,
377.1333,found,377.1352 ・ KUSC-5010
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 1.25 (6H, d, J = 7.0Hz), 2.89 (1H, septet, J = 7.0Hz), 6.32 (2H, s), 6.96 (1H) , D, J = 3.0Hz), 7.22 (2H, d, J = 8.5Hz), 7.58 (2H, d, J = 8.5Hz), 7.75 (1H, d, J =) 2.5Hz), 8.12 (1H, s), 8.44 (1H, s), 8.54 (1H, br)
HR-ESI-MS: calcd C 17 H 18 N 6 O 3 Na [M + H] + ,
377.1333, found, 377.1352
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 1.25(6H,d,J=7.0Hz),2.89(1H,septet,J=7.0Hz),6.32(2H,s),6.96(1H,d,J=3.0Hz),7.22(2H,d,J=8.5Hz),7.58(2H,d,J=8.5Hz),7.75(1H,d,J=2.5Hz),8.12(1H,s),8.44(1H,s),8.54(1H,br)
HR-ESI-MS:calcd C17H18N6O3Na [M+H]+,
377.1333,found,377.1352 ・ KUSC-5010
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 1.25 (6H, d, J = 7.0Hz), 2.89 (1H, septet, J = 7.0Hz), 6.32 (2H, s), 6.96 (1H) , D, J = 3.0Hz), 7.22 (2H, d, J = 8.5Hz), 7.58 (2H, d, J = 8.5Hz), 7.75 (1H, d, J =) 2.5Hz), 8.12 (1H, s), 8.44 (1H, s), 8.54 (1H, br)
HR-ESI-MS: calcd C 17 H 18 N 6 O 3 Na [M + H] + ,
377.1333, found, 377.1352
・KUSC-5011
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 3.80(3H,s),6.32(2H,s),6.90(2H,d,J=8.5Hz),6.95(1H,s),7.58(2H,d,J=9.5Hz),7.74(1H,s),8.12(1H,s),8.43(1H,s),8.49(1H,s)
HR-ESI-MS:calcd C15H14N6O4Na[M+Na]+,
365.0969,found,365.0990 ・ KUSC-5011
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 3.80 (3H, s), 6.32 (2H, s), 6.90 (2H, d, J = 8.5Hz), 6.95 (1H, s), 7. 58 (2H, d, J = 9.5Hz), 7.74 (1H, s), 8.12 (1H, s), 8.43 (1H, s), 8.49 (1H, s)
HR-ESI-MS: calcd C 15 H 14 N 6 O 4 Na [M + Na] + ,
365.0969, found, 365.0990
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 3.80(3H,s),6.32(2H,s),6.90(2H,d,J=8.5Hz),6.95(1H,s),7.58(2H,d,J=9.5Hz),7.74(1H,s),8.12(1H,s),8.43(1H,s),8.49(1H,s)
HR-ESI-MS:calcd C15H14N6O4Na[M+Na]+,
365.0969,found,365.0990 ・ KUSC-5011
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 3.80 (3H, s), 6.32 (2H, s), 6.90 (2H, d, J = 8.5Hz), 6.95 (1H, s), 7. 58 (2H, d, J = 9.5Hz), 7.74 (1H, s), 8.12 (1H, s), 8.43 (1H, s), 8.49 (1H, s)
HR-ESI-MS: calcd C 15 H 14 N 6 O 4 Na [M + Na] + ,
365.0969, found, 365.0990
・KUSC-5012
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 6.33(2H,s),6.98(1H,d,J=2.5Hz),7.42(1H,d,J=8.5Hz),7.53(1H,d,J=3.0Hz),7.79(1H,d,J=2.5Hz),7.92(1H,d,J=2.5Hz),8.14(1H,s),8.43(1H,s),8.6(1H,s)
HR-ESI-MS:calcd C14H10Cl2N6NaO3[M+Na]+,403.0084,found,403.0092 ・ KUSC-5012
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 6.33 (2H, s), 6.98 (1H, d, J = 2.5Hz), 7.42 (1H, d, J = 8.5Hz), 7.53 (1H) , D, J = 3.0Hz), 7.79 (1H, d, J = 2.5Hz), 7.92 (1H, d, J = 2.5Hz), 8.14 (1H, s), 8 .43 (1H, s), 8.6 (1H, s)
HR-ESI-MS: calcd C 14 H 10 Cl 2 N 6 NaO 3 [M + Na] + , 403.084, found, 403.0092
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 6.33(2H,s),6.98(1H,d,J=2.5Hz),7.42(1H,d,J=8.5Hz),7.53(1H,d,J=3.0Hz),7.79(1H,d,J=2.5Hz),7.92(1H,d,J=2.5Hz),8.14(1H,s),8.43(1H,s),8.6(1H,s)
HR-ESI-MS:calcd C14H10Cl2N6NaO3[M+Na]+,403.0084,found,403.0092 ・ KUSC-5012
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 6.33 (2H, s), 6.98 (1H, d, J = 2.5Hz), 7.42 (1H, d, J = 8.5Hz), 7.53 (1H) , D, J = 3.0Hz), 7.79 (1H, d, J = 2.5Hz), 7.92 (1H, d, J = 2.5Hz), 8.14 (1H, s), 8 .43 (1H, s), 8.6 (1H, s)
HR-ESI-MS: calcd C 14 H 10 Cl 2 N 6 NaO 3 [M + Na] + , 403.084, found, 403.0092
・KUSC-5013
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in DMSO-d6 6.63(2H,s),6.81(1H,t,J=7.5Hz),6.85(1H,d,J=2.5Hz),6.92(2H,m),8.17(1H,d,J=8.0Hz),8.22(1H,d,J=2.0Hz),8.36(1H,s),9.22(2H,d,J=7.0Hz),10.19(1H,s)
HR-ESI-MS:calcd C14H12N6O4Na[M+Na]+
351.0813,found,351.0808 ・ KUSC-5013
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in DMSO - d 6.63 (2H, s), 6.81 (1H, t, J = 7.5Hz), 6.85 (1H, d, J = 2.5Hz), 6.92 (2H, m), 8.17 (1H, d, J = 8.0Hz), 8.22 (1H, d, J = 2.0Hz), 8.36 (1H, s), 9.22 (2H) , D, J = 7.0Hz), 10.19 (1H, s)
HR-ESI-MS: calcd C 14 H 12 N 6 O 4 Na [M + Na] +
351.0833 found, 351.0808
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in DMSO-d6 6.63(2H,s),6.81(1H,t,J=7.5Hz),6.85(1H,d,J=2.5Hz),6.92(2H,m),8.17(1H,d,J=8.0Hz),8.22(1H,d,J=2.0Hz),8.36(1H,s),9.22(2H,d,J=7.0Hz),10.19(1H,s)
HR-ESI-MS:calcd C14H12N6O4Na[M+Na]+
351.0813,found,351.0808 ・ KUSC-5013
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in DMSO - d 6.63 (2H, s), 6.81 (1H, t, J = 7.5Hz), 6.85 (1H, d, J = 2.5Hz), 6.92 (2H, m), 8.17 (1H, d, J = 8.0Hz), 8.22 (1H, d, J = 2.0Hz), 8.36 (1H, s), 9.22 (2H) , D, J = 7.0Hz), 10.19 (1H, s)
HR-ESI-MS: calcd C 14 H 12 N 6 O 4 Na [M + Na] +
351.0833 found, 351.0808
・KUSC-5023
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in Acetone-d6 6.72(2H,s),6.92(1H,d,J=2.5Hz),8.01(1H,dd,J=2.5Hz),8.20(2H,d,J=3.0Hz),8.27(1H,d,J=9.0Hz),8.43(1H,d,J=3.0Hz),9.07(1H,s),9.36(1H,br)
HR-ESI-MS: C13H10BrN7NaO3 [M+Na]+,
413.9921,found,413.9930 ・ KUSC-5023
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in Acetone-d 66.72 (2H, s), 6.92 (1H, d, J = 2.5Hz ), 8.01 (1H, dd, J = 2.5Hz), 8.20 (2H, d, J = 3.0Hz), 8.27 (1H, d, J = 9.0Hz), 8.43 (1H, d, J = 3.0Hz), 9.07 (1H, s) , 9.36 (1H, br)
HR-ESI-MS: C 13 H 10 BrN 7 NaO 3 [M + Na] + ,
413.9921, found, 413.9930
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in Acetone-d6 6.72(2H,s),6.92(1H,d,J=2.5Hz),8.01(1H,dd,J=2.5Hz),8.20(2H,d,J=3.0Hz),8.27(1H,d,J=9.0Hz),8.43(1H,d,J=3.0Hz),9.07(1H,s),9.36(1H,br)
HR-ESI-MS: C13H10BrN7NaO3 [M+Na]+,
413.9921,found,413.9930 ・ KUSC-5023
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in Acetone-d 66.72 (2H, s), 6.92 (1H, d, J = 2.5Hz ), 8.01 (1H, dd, J = 2.5Hz), 8.20 (2H, d, J = 3.0Hz), 8.27 (1H, d, J = 9.0Hz), 8.43 (1H, d, J = 3.0Hz), 9.07 (1H, s) , 9.36 (1H, br)
HR-ESI-MS: C 13 H 10 BrN 7 NaO 3 [M + Na] + ,
413.9921, found, 413.9930
・KUSC-5027
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in DMSO-d6 6.63(2H,s),6.89(1H,s),7.47(1H,d,J=8.5Hz),7.73(1H,s),7.96(1H,d,8.5Hz),8.23(1H,s),8.37(1H,s),9.21(1H,s),9.65(1H,s)
HR-ESI-MS:calcd C14H10Cl2N6NaO3 [M+Na]+ 403.0084,found,403.0106 ・ KUSC-5027
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in DMSO-d 6 6.63 (2H, s), 6.89 (1H, s), 7.47 (1H, d, J = 8.5Hz), 7.73 (1H, s), 7.96 (1H, d, 8.5Hz), 8.23 (1H, s), 8.37 (1H, s), 9.21 (1H, s), 9.65 (1H, s)
HR-ESI-MS: calcd C 14 H 10 Cl 2 N 6 NaO 3 [M + Na] + 403.084, found, 403.0106
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in DMSO-d6 6.63(2H,s),6.89(1H,s),7.47(1H,d,J=8.5Hz),7.73(1H,s),7.96(1H,d,8.5Hz),8.23(1H,s),8.37(1H,s),9.21(1H,s),9.65(1H,s)
HR-ESI-MS:calcd C14H10Cl2N6NaO3 [M+Na]+ 403.0084,found,403.0106 ・ KUSC-5027
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in DMSO-d 6 6.63 (2H, s), 6.89 (1H, s), 7.47 (1H, d, J = 8.5Hz), 7.73 (1H, s), 7.96 (1H, d, 8.5Hz), 8.23 (1H, s), 8.37 (1H, s), 9.21 (1H, s), 9.65 (1H, s)
HR-ESI-MS: calcd C 14 H 10 Cl 2 N 6 NaO 3 [M + Na] + 403.084, found, 403.0106
・KUSC-5028
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in DMSO-d6 6.61(2H,s),6.86(1H,d,J=2.5Hz),7.10(1H,t,J=3.5Hz),7.36(1H,t,J=3.0Hz),7.66(1H,q,J=8.5Hz),8.20(1H,d,J=2.5Hz),8.36(1H,s),9.18(1H,s),9.77(1H,s)
HR-ESI-MS:calcd C14H10F2N6NaO3 [M+Na]+,361.0675,found,361.0683 ・ KUSC-5028
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in DMSO-d 6 6.61 (2H, s), 6.86 (1H, d, J = 2.5Hz), 7.10 (1H, t, J = 3.5Hz), 7.36 (1H, t, J = 3.0Hz), 7.66 (1H, q, J = 8.5Hz), 8.20 (1H, d, J = 2.5Hz), 8.36 (1H, s) , 9.18 (1H, s), 9.77 (1H, s)
HR-ESI-MS: calcd C 14 H 10 F 2 N 6 NaO 3 [M + Na] + , 361.0675, found, 361.0683
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in DMSO-d6 6.61(2H,s),6.86(1H,d,J=2.5Hz),7.10(1H,t,J=3.5Hz),7.36(1H,t,J=3.0Hz),7.66(1H,q,J=8.5Hz),8.20(1H,d,J=2.5Hz),8.36(1H,s),9.18(1H,s),9.77(1H,s)
HR-ESI-MS:calcd C14H10F2N6NaO3 [M+Na]+,361.0675,found,361.0683 ・ KUSC-5028
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in DMSO-d 6 6.61 (2H, s), 6.86 (1H, d, J = 2.5Hz), 7.10 (1H, t, J = 3.5Hz), 7.36 (1H, t, J = 3.0Hz), 7.66 (1H, q, J = 8.5Hz), 8.20 (1H, d, J = 2.5Hz), 8.36 (1H, s) , 9.18 (1H, s), 9.77 (1H, s)
HR-ESI-MS: calcd C 14 H 10 F 2 N 6 NaO 3 [M + Na] + , 361.0675, found, 361.0683
・KUSC-5032
エステル体4からKUSC-5001と同様の手法で合成を行った。
1HNMR 500MHz in DMSO-d6 6.85(2H,s),7.16(1H,s),7.58(1H,d,J=8.5Hz),7.72(1H,d,J=8.5Hz),8.28(1H,s),9.02(1H,s),10.53(1H,s)
HR-ESI-MS:calcd C14H11BrN6O3 [M-H]-,391.0086,found,391.0004 ・ KUSC-5032
Synthesis was carried out from the ester body 4 in the same manner as in KUSC-5001.
1 1 HNMR 500MHz in DMSO-d 6 6.85 (2H, s), 7.16 (1H, s), 7.58 (1H, d, J = 8.5Hz), 7.72 (1H, d, J) = 8.5Hz), 8.28 (1H, s), 9.02 (1H, s), 10.53 (1H, s)
HR-ESI-MS: calcd C 14 H 11 BrN 6 O 3 [MH] - , 391.0086, found, 391.0004
1HNMR 500MHz in DMSO-d6 6.85(2H,s),7.16(1H,s),7.58(1H,d,J=8.5Hz),7.72(1H,d,J=8.5Hz),8.28(1H,s),9.02(1H,s),10.53(1H,s)
HR-ESI-MS:calcd C14H11BrN6O3 [M-H]-,391.0086,found,391.0004 ・ KUSC-5032
1 1 HNMR 500MHz in DMSO-d 6 6.85 (2H, s), 7.16 (1H, s), 7.58 (1H, d, J = 8.5Hz), 7.72 (1H, d, J) = 8.5Hz), 8.28 (1H, s), 9.02 (1H, s), 10.53 (1H, s)
HR-ESI-MS: calcd C 14 H 11 BrN 6 O 3 [MH] - , 391.0086, found, 391.0004
・KUSC-5009
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 2.87(2H,d,J=6.5Hz),3.65(2H,t,J=6.5Hz),6.26(2H,s),6.85(1H,s),7.11(1H,s),7.44(1H,s),7.70(1H,d,J=2.0Hz),8.09(1H,s),8.36(1H,s)
HR-ESI-MS calcd,C16H15BrN6NaO3[M+Na]+,441.0282,found,441.0296 ・ KUSC-5009
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 2.87 (2H, d, J = 6.5Hz), 3.65 (2H, t, J = 6.5Hz), 6.26 (2H, s), 6.85 (1H) , S), 7.11 (1H, s), 7.44 (1H, s), 7.70 (1H, d, J = 2.0Hz), 8.09 (1H, s), 8.36 ( 1H, s)
HR-ESI-MS calcd, C 16 H 15 BrN 6 NaO 3 [M + Na] + , 441.0282, found, 441.0296
KUSC-5001と同様の方法で合成を行った。
1HNMR 500MHz in CDCl3 2.87(2H,d,J=6.5Hz),3.65(2H,t,J=6.5Hz),6.26(2H,s),6.85(1H,s),7.11(1H,s),7.44(1H,s),7.70(1H,d,J=2.0Hz),8.09(1H,s),8.36(1H,s)
HR-ESI-MS calcd,C16H15BrN6NaO3[M+Na]+,441.0282,found,441.0296 ・ KUSC-5009
The synthesis was carried out in the same manner as KUSC-5001.
1 1 HNMR 500MHz in CDCl 3 2.87 (2H, d, J = 6.5Hz), 3.65 (2H, t, J = 6.5Hz), 6.26 (2H, s), 6.85 (1H) , S), 7.11 (1H, s), 7.44 (1H, s), 7.70 (1H, d, J = 2.0Hz), 8.09 (1H, s), 8.36 ( 1H, s)
HR-ESI-MS calcd, C 16 H 15 BrN 6 NaO 3 [M + Na] + , 441.0282, found, 441.0296
・ブロモ体8,9
1H―ピラゾール―3―カルボン酸エチル (200mg,1.43mmol)のアセトニトリル溶液 14.3mlに1,2-ジブロモメタン(0.61ml,7.08mmol),K2CO3(394.5mg,2.85mmol)を添加し、室温で3日間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2クロマトグラフィー(Hexane/AcOEt=3:1)で精製を行った。ブロモ体8(122.7mg,35%),ブロモ体9(148.93mg,42%)を得た。 -Bromo form 8, 9
Acetonitrile solution of 1H-pyrazole-3-carboxylate (200 mg, 1.43 mmol) in 14.3 ml, 1,2-dibromomethane (0.61 ml, 7.08 mmol), K2 CO 3 (394.5 mg, 2 . 85 mmol) was added, and the mixture was stirred at room temperature for 3 days. The reaction was stopped with water and extracted with ethyl acetate. The organic layer was washed with saturated brine and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chromatography (Hexane / AcOEt = 3: 1). Bromo 8 (122.7 mg, 35%) and Bromo 9 (148.93 mg, 42%) were obtained.
1H―ピラゾール―3―カルボン酸エチル (200mg,1.43mmol)のアセトニトリル溶液 14.3mlに1,2-ジブロモメタン(0.61ml,7.08mmol),K2CO3(394.5mg,2.85mmol)を添加し、室温で3日間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2クロマトグラフィー(Hexane/AcOEt=3:1)で精製を行った。ブロモ体8(122.7mg,35%),ブロモ体9(148.93mg,42%)を得た。 -Bromo form 8, 9
Acetonitrile solution of 1H-pyrazole-3-carboxylate (200 mg, 1.43 mmol) in 14.3 ml, 1,2-dibromomethane (0.61 ml, 7.08 mmol), K2 CO 3 (394.5 mg, 2 . 85 mmol) was added, and the mixture was stirred at room temperature for 3 days. The reaction was stopped with water and extracted with ethyl acetate. The organic layer was washed with saturated brine and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chromatography (Hexane / AcOEt = 3: 1). Bromo 8 (122.7 mg, 35%) and Bromo 9 (148.93 mg, 42%) were obtained.
・ブロモ体8
1HNMR 500MHz in CDCl3 1.40(3H,t,J=6.5Hz),3.76(2H,t,J=6.5Hz),4.42(2H,t,J=7.0Hz),4.58(2H,t,J=6.5Hz),6.82(1H,d,J=2.5Hz),7.51(1H,d,J=2.0Hz)
HMQC,HMBCで相関を確認した。
HR-ESI-MS:calcd,C8H11BrN2NaO2 [M+Na]+,
270.9876,found,270.9827 -Bromo form 8
1 1 HNMR 500MHz in CDCl 3 1.40 (3H, t, J = 6.5Hz), 3.76 (2H, t, J = 6.5Hz), 4.42 (2H, t, J = 7.0Hz) , 4.58 (2H, t, J = 6.5Hz), 6.82 (1H, d, J = 2.5Hz), 7.51 (1H, d, J = 2.0Hz)
Correlation was confirmed by HMQC and HMBC.
HR-ESI-MS: calcd, C 8 H 11 BrN 2 NaO 2 [M + Na] + ,
270.9876, found, 270.9827
1HNMR 500MHz in CDCl3 1.40(3H,t,J=6.5Hz),3.76(2H,t,J=6.5Hz),4.42(2H,t,J=7.0Hz),4.58(2H,t,J=6.5Hz),6.82(1H,d,J=2.5Hz),7.51(1H,d,J=2.0Hz)
HMQC,HMBCで相関を確認した。
HR-ESI-MS:calcd,C8H11BrN2NaO2 [M+Na]+,
270.9876,found,270.9827 -Bromo form 8
1 1 HNMR 500MHz in CDCl 3 1.40 (3H, t, J = 6.5Hz), 3.76 (2H, t, J = 6.5Hz), 4.42 (2H, t, J = 7.0Hz) , 4.58 (2H, t, J = 6.5Hz), 6.82 (1H, d, J = 2.5Hz), 7.51 (1H, d, J = 2.0Hz)
Correlation was confirmed by HMQC and HMBC.
HR-ESI-MS: calcd, C 8 H 11 BrN 2 NaO 2 [M + Na] + ,
270.9876, found, 270.9827
・ブロモ体9
1HNMR 500MHz in CDCl3 1.39(3H,t,J=7.0Hz),3.72(2H,t,J=7.0Hz),4.35(2H,t,J=7.0Hz),4.96(2H,t,J=7.0Hz),6.87(1H,d,J=2.0Hz),7.54(1H,d,J=1.5Hz)
HMQC,HMBCで相関を確認した。
HR-ESI-MS:calcd,C8H11BrN2NaO2 [M+Na]+,
270.9876,found,271.1817 -Bromo form 9
1 1 HNMR 500MHz in CDCl 3 1.39 (3H, t, J = 7.0Hz), 3.72 (2H, t, J = 7.0Hz), 4.35 (2H, t, J = 7.0Hz) , 4.96 (2H, t, J = 7.0Hz), 6.87 (1H, d, J = 2.0Hz), 7.54 (1H, d, J = 1.5Hz)
Correlation was confirmed by HMQC and HMBC.
HR-ESI-MS: calcd, C 8 H 11 BrN 2 NaO 2 [M + Na] + ,
270.9876, found, 271.1817
1HNMR 500MHz in CDCl3 1.39(3H,t,J=7.0Hz),3.72(2H,t,J=7.0Hz),4.35(2H,t,J=7.0Hz),4.96(2H,t,J=7.0Hz),6.87(1H,d,J=2.0Hz),7.54(1H,d,J=1.5Hz)
HMQC,HMBCで相関を確認した。
HR-ESI-MS:calcd,C8H11BrN2NaO2 [M+Na]+,
270.9876,found,271.1817 -Bromo form 9
1 1 HNMR 500MHz in CDCl 3 1.39 (3H, t, J = 7.0Hz), 3.72 (2H, t, J = 7.0Hz), 4.35 (2H, t, J = 7.0Hz) , 4.96 (2H, t, J = 7.0Hz), 6.87 (1H, d, J = 2.0Hz), 7.54 (1H, d, J = 1.5Hz)
Correlation was confirmed by HMQC and HMBC.
HR-ESI-MS: calcd, C 8 H 11 BrN 2 NaO 2 [M + Na] + ,
270.9876, found, 271.1817
・エステル体10
4-ニトロ―1H-ピラゾール(10mg,0.0884mmol)のDMF溶液 0.49mlに、1-ブロモエチルー5-カルボン酸エチル8(24.0mg,0.0971mmol)、K2CO3(24.4mg,0.177mmol)を添加し、室温で22.5時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2クロマトグラフィー(Hexane/AcOEt=2:1)で精製を行い、エステル体10(22.36mg,91%)を得た。
1HNMR 500MHz in CDCl3 1.36(3H,t,J=7.0Hz),4.31(2H,q,J=7.0Hz),4.64(1H,t,J=6.0Hz),5.04(2H,t,J=6.0Hz),6.84(1H,d,J=2.0Hz),7.50(1H,d,J=2.0Hz),7.80(1H,s),8.05(1H,s)
HR-ESI-MS:calcd C11H14N5O4[M+H]+ ,280.1040,found,280.0984 ・ Ester body 10
In 0.49 ml of a DMF solution of 4-nitro-1H-pyrazole (10 mg, 0.0884 mmol), ethyl 1-bromoethyl-5-carboxylate 8 (24.0 mg, 0.0971 mmol), K2 CO 3 ( 24.4 mg, 24.4 mg, 0.177 mmol) was added, and the mixture was stirred at room temperature for 22.5 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined, washed with saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chromatography (Hexane / AcOEt = 2: 1) to obtain ester 10 (22.36 mg, 91%).
1 1 HNMR 500MHz in CDCl 3 1.36 (3H, t, J = 7.0Hz), 4.31 (2H, q, J = 7.0Hz), 4.64 (1H, t, J = 6.0Hz) , 5.04 (2H, t, J = 6.0Hz), 6.84 (1H, d, J = 2.0Hz), 7.50 (1H, d, J = 2.0Hz), 7.80 ( 1H, s), 8.05 (1H, s)
HR-ESI-MS: calcd C 11 H 14 N 5 O 4 [M + H] + , 280.1040, found, 280.0984
4-ニトロ―1H-ピラゾール(10mg,0.0884mmol)のDMF溶液 0.49mlに、1-ブロモエチルー5-カルボン酸エチル8(24.0mg,0.0971mmol)、K2CO3(24.4mg,0.177mmol)を添加し、室温で22.5時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2クロマトグラフィー(Hexane/AcOEt=2:1)で精製を行い、エステル体10(22.36mg,91%)を得た。
1HNMR 500MHz in CDCl3 1.36(3H,t,J=7.0Hz),4.31(2H,q,J=7.0Hz),4.64(1H,t,J=6.0Hz),5.04(2H,t,J=6.0Hz),6.84(1H,d,J=2.0Hz),7.50(1H,d,J=2.0Hz),7.80(1H,s),8.05(1H,s)
HR-ESI-MS:calcd C11H14N5O4[M+H]+ ,280.1040,found,280.0984 ・ Ester body 10
In 0.49 ml of a DMF solution of 4-nitro-1H-pyrazole (10 mg, 0.0884 mmol), ethyl 1-bromoethyl-5-carboxylate 8 (24.0 mg, 0.0971 mmol), K2 CO 3 ( 24.4 mg, 24.4 mg, 0.177 mmol) was added, and the mixture was stirred at room temperature for 22.5 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined, washed with saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chromatography (Hexane / AcOEt = 2: 1) to obtain ester 10 (22.36 mg, 91%).
1 1 HNMR 500MHz in CDCl 3 1.36 (3H, t, J = 7.0Hz), 4.31 (2H, q, J = 7.0Hz), 4.64 (1H, t, J = 6.0Hz) , 5.04 (2H, t, J = 6.0Hz), 6.84 (1H, d, J = 2.0Hz), 7.50 (1H, d, J = 2.0Hz), 7.80 ( 1H, s), 8.05 (1H, s)
HR-ESI-MS: calcd C 11 H 14 N 5 O 4 [M + H] + , 280.1040, found, 280.0984
・カルボン酸中間体11
エステル体10(22.36mg,0.0801mmol)のMeOH/H2O=3:1混合溶液 4mlに、水酸化ナトリウム(9mg,0.225mmol)を添加し、8時間加熱還流した。室温に冷却し、濃塩酸を加えてpH=2とした。水とCHCl3で2層に分離し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体11(17.61mg,88%)を得た。
1HNMR 500MHz in MeOH-d4 4.68(2H,t,J=5.0Hz),5.05(2H,t,J=5.0Hz),6.89(1H,d,J=1.5Hz),7.50(1H,d,J=2.0Hz),8.05(1H,s),8.26(1H,s)
HR-ESI-MS:calcd C9H10N5O4[M+H]+,252.0727,found,252.0693 -Carboxylic acid intermediate 11
Sodium hydroxide (9 mg, 0.225 mmol) was added to 4 ml of a MeOH / H 2 O = 3: 1 mixed solution of ester 10 (22.36 mg, 0.0801 mmol), and the mixture was heated under reflux for 8 hours. The mixture was cooled to room temperature and concentrated hydrochloric acid was added to adjust the pH to 2. It was separated into two layers with water and CHCl 3 , and extracted with CHCl 3 . The organic layers were combined and dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 11 (17.61 mg, 88%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 4.68 (2H, t, J = 5.0Hz), 5.05 (2H, t, J = 5.0Hz), 6.89 (1H, d, J = 1. 5Hz), 7.50 (1H, d, J = 2.0Hz), 8.05 (1H, s), 8.26 (1H, s)
HR-ESI-MS: calcd C 9 H 10 N 5 O 4 [M + H] + , 252.0727, found, 252.0693
エステル体10(22.36mg,0.0801mmol)のMeOH/H2O=3:1混合溶液 4mlに、水酸化ナトリウム(9mg,0.225mmol)を添加し、8時間加熱還流した。室温に冷却し、濃塩酸を加えてpH=2とした。水とCHCl3で2層に分離し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体11(17.61mg,88%)を得た。
1HNMR 500MHz in MeOH-d4 4.68(2H,t,J=5.0Hz),5.05(2H,t,J=5.0Hz),6.89(1H,d,J=1.5Hz),7.50(1H,d,J=2.0Hz),8.05(1H,s),8.26(1H,s)
HR-ESI-MS:calcd C9H10N5O4[M+H]+,252.0727,found,252.0693 -Carboxylic acid intermediate 11
Sodium hydroxide (9 mg, 0.225 mmol) was added to 4 ml of a MeOH / H 2 O = 3: 1 mixed solution of ester 10 (22.36 mg, 0.0801 mmol), and the mixture was heated under reflux for 8 hours. The mixture was cooled to room temperature and concentrated hydrochloric acid was added to adjust the pH to 2. It was separated into two layers with water and CHCl 3 , and extracted with CHCl 3 . The organic layers were combined and dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 11 (17.61 mg, 88%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 4.68 (2H, t, J = 5.0Hz), 5.05 (2H, t, J = 5.0Hz), 6.89 (1H, d, J = 1. 5Hz), 7.50 (1H, d, J = 2.0Hz), 8.05 (1H, s), 8.26 (1H, s)
HR-ESI-MS: calcd C 9 H 10 N 5 O 4 [M + H] + , 252.0727, found, 252.0693
・KUSC-5016の合成
カルボン酸中間体11(17.61mg,0.0701mmol)のCH2Cl2溶液 0.95mlに、DIPEA(24μL,0.138mmol)、HATU(26.7mg,0.0702mmol)を添加し、室温で30分間攪拌した。反応溶液にp-ブロモアニリン(13.3mg,0.0731mmol)を添加し、室温で16.5時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2クロマトグラフィー(CHCl3/MeOH=20:1)で精製を行い、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5016(14.27mg,50%)を得た。
1HNMR 500MHz in CDCl3 4.70(2H,t,J=8.0Hz),5.06(2H,t,J=7.5Hz),6.67(1H,d,J=2.0Hz),7.45(2H,dd,J=8.0Hz),7.50(2H,dd,J=8.0Hz),7.54(1H,d,J=3.0Hz),7.58(1H,br),7.83(1H,s),8.03(1H,s)
HR-ESI-MS:calcd C15H13BrN6NaO3[M+Na]+,
427.0125,found,427.0166
-Synthesis of KUSC-5016 DIPEA (24 μL, 0.138 mmol), HATU (26.7 mg, 0.0702 mmol) in 0.95 ml of CH 2 Cl 2 solution of carboxylic acid intermediate 11 (17.61 mg, 0.0701 mmol). Was added, and the mixture was stirred at room temperature for 30 minutes. P-Bromoaniline (13.3 mg, 0.0731 mmol) was added to the reaction solution, and the mixture was stirred at room temperature for 16.5 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue is purified by SiO 2 chromatography (CHCl 3 / MeOH = 20: 1), and then the obtained residue is obtained by HPLC (cosmosil MSII, φ20 × 250 mm, chloroform: CH 3 CN / H 2 O = 60: 40). ) To obtain KUSC-5016 (14.27 mg, 50%).
1 1 HNMR 500MHz in CDCl 3 4.70 (2H, t, J = 8.0Hz), 5.06 (2H, t, J = 7.5Hz), 6.67 (1H, d, J = 2.0Hz) , 7.45 (2H, dd, J = 8.0Hz), 7.50 (2H, dd, J = 8.0Hz), 7.54 (1H, d, J = 3.0Hz), 7.58 ( 1H, br), 7.83 (1H, s), 8.03 (1H, s)
HR-ESI-MS: calcd C 15 H 13 BrN 6 NaO 3 [M + Na] + ,
427.0125, found, 427.0166
カルボン酸中間体11(17.61mg,0.0701mmol)のCH2Cl2溶液 0.95mlに、DIPEA(24μL,0.138mmol)、HATU(26.7mg,0.0702mmol)を添加し、室温で30分間攪拌した。反応溶液にp-ブロモアニリン(13.3mg,0.0731mmol)を添加し、室温で16.5時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2クロマトグラフィー(CHCl3/MeOH=20:1)で精製を行い、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5016(14.27mg,50%)を得た。
1HNMR 500MHz in CDCl3 4.70(2H,t,J=8.0Hz),5.06(2H,t,J=7.5Hz),6.67(1H,d,J=2.0Hz),7.45(2H,dd,J=8.0Hz),7.50(2H,dd,J=8.0Hz),7.54(1H,d,J=3.0Hz),7.58(1H,br),7.83(1H,s),8.03(1H,s)
HR-ESI-MS:calcd C15H13BrN6NaO3[M+Na]+,
427.0125,found,427.0166
1 1 HNMR 500MHz in CDCl 3 4.70 (2H, t, J = 8.0Hz), 5.06 (2H, t, J = 7.5Hz), 6.67 (1H, d, J = 2.0Hz) , 7.45 (2H, dd, J = 8.0Hz), 7.50 (2H, dd, J = 8.0Hz), 7.54 (1H, d, J = 3.0Hz), 7.58 ( 1H, br), 7.83 (1H, s), 8.03 (1H, s)
HR-ESI-MS: calcd C 15 H 13 BrN 6 NaO 3 [M + Na] + ,
427.0125, found, 427.0166
・エステル体12
4-ニトロー1H-ピラゾール(10.2mg,0.0884mmol)のDMF溶液 0.49mlに、1-ブロモエチルー3-カルボン酸エチル7(24.0mg,0.0971mmol)、K2CO3(24.4mg,0.177mmol)を添加し、室温で5.6時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2クロマトグラフィー(CHCl3/MeOH=20:1)で精製を行い、エステル体12(20.3mg,81%)を得た。
1HNMR 500MHz in CDCl3 1.41(3H,t,J=7.5Hz),4.41(2H,t,J=7.5Hz),4.68(4H,m)6.69(1H,d,J=3.0Hz),7.06(1H,d,J=3.0Hz),7.75(1H,s),8.10(1H,s)
HR-ESI-MS:calcd C11H14N5O4[M+H]+ ,
280.1040,found,280.0981 ・ Ester body 12
In 0.49 ml of a DMF solution of 4-nitro-1H-pyrazole (10.2 mg, 0.0884 mmol), ethyl 1-bromoethyl- 3-carboxylate 7 (24.0 mg, 0.0971 mmol), K2 CO 3 ( 24.4 mg). , 0.177 mmol) was added, and the mixture was stirred at room temperature for 5.6 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined, washed with saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chromatography (CHCl 3 / MeOH = 20: 1) to obtain ester 12 (20.3 mg, 81%).
1 1 HNMR 500MHz in CDCl 3 1.41 (3H, t, J = 7.5Hz), 4.41 (2H, t, J = 7.5Hz), 4.68 (4H, m) 6.69 (1H, 1H, d, J = 3.0Hz), 7.06 (1H, d, J = 3.0Hz), 7.75 (1H, s), 8.10 (1H, s)
HR-ESI-MS: calcd C 11 H 14 N 5 O 4 [M + H] + ,
280.1040, found, 280.0981
4-ニトロー1H-ピラゾール(10.2mg,0.0884mmol)のDMF溶液 0.49mlに、1-ブロモエチルー3-カルボン酸エチル7(24.0mg,0.0971mmol)、K2CO3(24.4mg,0.177mmol)を添加し、室温で5.6時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2クロマトグラフィー(CHCl3/MeOH=20:1)で精製を行い、エステル体12(20.3mg,81%)を得た。
1HNMR 500MHz in CDCl3 1.41(3H,t,J=7.5Hz),4.41(2H,t,J=7.5Hz),4.68(4H,m)6.69(1H,d,J=3.0Hz),7.06(1H,d,J=3.0Hz),7.75(1H,s),8.10(1H,s)
HR-ESI-MS:calcd C11H14N5O4[M+H]+ ,
280.1040,found,280.0981 ・ Ester body 12
In 0.49 ml of a DMF solution of 4-nitro-1H-pyrazole (10.2 mg, 0.0884 mmol), ethyl 1-bromoethyl- 3-carboxylate 7 (24.0 mg, 0.0971 mmol), K2 CO 3 ( 24.4 mg). , 0.177 mmol) was added, and the mixture was stirred at room temperature for 5.6 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined, washed with saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chromatography (CHCl 3 / MeOH = 20: 1) to obtain ester 12 (20.3 mg, 81%).
1 1 HNMR 500MHz in CDCl 3 1.41 (3H, t, J = 7.5Hz), 4.41 (2H, t, J = 7.5Hz), 4.68 (4H, m) 6.69 (1H, 1H, d, J = 3.0Hz), 7.06 (1H, d, J = 3.0Hz), 7.75 (1H, s), 8.10 (1H, s)
HR-ESI-MS: calcd C 11 H 14 N 5 O 4 [M + H] + ,
280.1040, found, 280.0981
・カルボン酸中間体13
エステル中間体12(25.65mg,0.0918mmol)のMeOH/水=3:1混合溶液 2.4mLに、2Mの水酸化ナトリウム水溶液(69μL,0.138mmol)を添加し、45℃で21.5時間攪拌した。室温に冷却し、塩酸を加えてpH=2~3とした。水と酢酸エチルで2層に分離し、酢酸エチルで抽出した。有機層を合わせて硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体13(22.89mg,99%)を得た。
1HNMR 600MHz in DMSO-d6 4.65-4.68(4H,m),6.62(1H,d,J=2.4Hz),7.61(1H,d,J=1.8Hz),8.26(1H,s),8.70(1H,s)
HR-ESI-MS:calcd C9H10N5O4[M+H]+,
252.0727,found,252.0692 -Carboxylic acid intermediate 13
To 2.4 mL of a MeOH / water = 3: 1 mixed solution of ester intermediate 12 (25.65 mg, 0.0918 mmol), a 2 M aqueous sodium hydroxide solution (69 μL, 0.138 mmol) was added and 21. The mixture was stirred for 5 hours. The mixture was cooled to room temperature and hydrochloric acid was added to adjust the pH to 2 to 3. It was separated into two layers with water and ethyl acetate, and extracted with ethyl acetate. The organic layers were combined and dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 13 (22.89 mg, 99%) was obtained.
1 1 HNMR 600MHz in DMSO-d 6 4.65-4.68 (4H, m), 6.62 (1H, d, J = 2.4Hz), 7.61 (1H, d, J = 1.8Hz) , 8.26 (1H, s), 8.70 (1H, s)
HR-ESI-MS: calcd C 9 H 10 N 5 O 4 [M + H] + ,
252.0727, found, 252.0692
エステル中間体12(25.65mg,0.0918mmol)のMeOH/水=3:1混合溶液 2.4mLに、2Mの水酸化ナトリウム水溶液(69μL,0.138mmol)を添加し、45℃で21.5時間攪拌した。室温に冷却し、塩酸を加えてpH=2~3とした。水と酢酸エチルで2層に分離し、酢酸エチルで抽出した。有機層を合わせて硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体13(22.89mg,99%)を得た。
1HNMR 600MHz in DMSO-d6 4.65-4.68(4H,m),6.62(1H,d,J=2.4Hz),7.61(1H,d,J=1.8Hz),8.26(1H,s),8.70(1H,s)
HR-ESI-MS:calcd C9H10N5O4[M+H]+,
252.0727,found,252.0692 -Carboxylic acid intermediate 13
To 2.4 mL of a MeOH / water = 3: 1 mixed solution of ester intermediate 12 (25.65 mg, 0.0918 mmol), a 2 M aqueous sodium hydroxide solution (69 μL, 0.138 mmol) was added and 21. The mixture was stirred for 5 hours. The mixture was cooled to room temperature and hydrochloric acid was added to adjust the pH to 2 to 3. It was separated into two layers with water and ethyl acetate, and extracted with ethyl acetate. The organic layers were combined and dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 13 (22.89 mg, 99%) was obtained.
1 1 HNMR 600MHz in DMSO-d 6 4.65-4.68 (4H, m), 6.62 (1H, d, J = 2.4Hz), 7.61 (1H, d, J = 1.8Hz) , 8.26 (1H, s), 8.70 (1H, s)
HR-ESI-MS: calcd C 9 H 10 N 5 O 4 [M + H] + ,
252.0727, found, 252.0692
・KUSC-5024
カルボン酸中間体13(16.21mg,0.0701mmol)のCH2Cl2溶液 0.55mlに、DIPEA(22.5μL,0.129mmol)、HATU(24.5mg,0.0644mmol)を添加し、室温で30分間攪拌した。反応溶液にp-ブロモアニリン(12.2mg,0.0710mmol)を添加し、室温で17時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥し、溶媒を減圧留去した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5024(21.56mg,83%)を得た。
1HNMR 500MHz in CDCl3 4.67(4H,dd,J=5.5Hz),6.81(1H,s),7.16(1H,s),7.48(2H,d,J=9.0Hz),7.59(2H,d,J=8.5Hz),7.83(1H,s),8.13(1H,s),8.57(1H,s)
HR-ESI-MS:calcd C15H13BrN6NaO3[M+Na]+,429.0105,found,429.0087 ・ KUSC-5024
DIPEA (22.5 μL, 0.129 mmol) and HATU (24.5 mg, 0.0644 mmol) were added to 0.55 ml of a CH 2 Cl 2 solution of carboxylic acid intermediate 13 (16.21 mg, 0.0701 mmol). The mixture was stirred at room temperature for 30 minutes. P-Bromoaniline (12.2 mg, 0.0710 mmol) was added to the reaction solution, and the mixture was stirred at room temperature for 17 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 60: 40) to obtain KUSC-5024 (21.56 mg, 83%).
1 1 HNMR 500MHz in CDCl 3 4.67 (4H, dd, J = 5.5Hz), 6.81 (1H, s), 7.16 (1H, s), 7.48 (2H, d, J = 9) 0.0Hz), 7.59 (2H, d, J = 8.5Hz), 7.83 (1H, s), 8.13 (1H, s), 8.57 (1H, s)
HR-ESI-MS: calcd C 15 H 13 BrN 6 NaO 3 [M + Na] + , 429.0105, found, 429.0087
カルボン酸中間体13(16.21mg,0.0701mmol)のCH2Cl2溶液 0.55mlに、DIPEA(22.5μL,0.129mmol)、HATU(24.5mg,0.0644mmol)を添加し、室温で30分間攪拌した。反応溶液にp-ブロモアニリン(12.2mg,0.0710mmol)を添加し、室温で17時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥し、溶媒を減圧留去した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5024(21.56mg,83%)を得た。
1HNMR 500MHz in CDCl3 4.67(4H,dd,J=5.5Hz),6.81(1H,s),7.16(1H,s),7.48(2H,d,J=9.0Hz),7.59(2H,d,J=8.5Hz),7.83(1H,s),8.13(1H,s),8.57(1H,s)
HR-ESI-MS:calcd C15H13BrN6NaO3[M+Na]+,429.0105,found,429.0087 ・ KUSC-5024
DIPEA (22.5 μL, 0.129 mmol) and HATU (24.5 mg, 0.0644 mmol) were added to 0.55 ml of a CH 2 Cl 2 solution of carboxylic acid intermediate 13 (16.21 mg, 0.0701 mmol). The mixture was stirred at room temperature for 30 minutes. P-Bromoaniline (12.2 mg, 0.0710 mmol) was added to the reaction solution, and the mixture was stirred at room temperature for 17 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 60: 40) to obtain KUSC-5024 (21.56 mg, 83%).
1 1 HNMR 500MHz in CDCl 3 4.67 (4H, dd, J = 5.5Hz), 6.81 (1H, s), 7.16 (1H, s), 7.48 (2H, d, J = 9) 0.0Hz), 7.59 (2H, d, J = 8.5Hz), 7.83 (1H, s), 8.13 (1H, s), 8.57 (1H, s)
HR-ESI-MS: calcd C 15 H 13 BrN 6 NaO 3 [M + Na] + , 429.0105, found, 429.0087
・ブロモ体14,15
1H-ピラゾールー3-カルボン酸エチル(200.1mg,1.43mmol)のアセトニトリル溶液(14.3ml)に炭酸カリウム(394.5mg,2.85mmol),1,3-ジブロモプロパン(0.72ml,7.09mmol)を添加し、室温で3日間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を合わせて飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2カラムクロマトグラフィー(Hexane/AcOEt=3:1)で精製を行った。1―ブロモプロピルピラゾールー3-カルボン酸エチル14(82.12mg,22%),ブロモ体15(4.67mg,1%)を得た。 ・ Bromo form 14,15
Potassium carbonate (394.5 mg, 2.85 mmol), 1,3-dibromopropane (0.72 ml, 7) in an acetonitrile solution (14.3 ml) of 1H-pyrazole-3-carboxylate (200.1 mg, 1.43 mmol) .09 mmol) was added, and the mixture was stirred at room temperature for 3 days. The reaction was stopped with water and extracted with ethyl acetate. The organic layers were combined, washed with saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 column chromatography (Hexane / AcOEt = 3: 1). Ethyl 1-bromopropylpyrazole-3-carboxylate 14 (82.12 mg, 22%) and bromo compound 15 (4.67 mg, 1%) were obtained.
1H-ピラゾールー3-カルボン酸エチル(200.1mg,1.43mmol)のアセトニトリル溶液(14.3ml)に炭酸カリウム(394.5mg,2.85mmol),1,3-ジブロモプロパン(0.72ml,7.09mmol)を添加し、室温で3日間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を合わせて飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2カラムクロマトグラフィー(Hexane/AcOEt=3:1)で精製を行った。1―ブロモプロピルピラゾールー3-カルボン酸エチル14(82.12mg,22%),ブロモ体15(4.67mg,1%)を得た。 ・ Bromo form 14,15
Potassium carbonate (394.5 mg, 2.85 mmol), 1,3-dibromopropane (0.72 ml, 7) in an acetonitrile solution (14.3 ml) of 1H-pyrazole-3-carboxylate (200.1 mg, 1.43 mmol) .09 mmol) was added, and the mixture was stirred at room temperature for 3 days. The reaction was stopped with water and extracted with ethyl acetate. The organic layers were combined, washed with saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 column chromatography (Hexane / AcOEt = 3: 1). Ethyl 1-bromopropylpyrazole-3-carboxylate 14 (82.12 mg, 22%) and bromo compound 15 (4.67 mg, 1%) were obtained.
・ブロモ体14
1HNMR 500MHz in CDCl3 1.37(1H,t,J=7.0Hz),2.42(2H,m),3.28(2H,m),4.34(4H,m),6.77(1H,d,J=2.0Hz),7.46(1H,d,J=2.0Hz)
HMQC,HMBCで置換位置を確認した。
HR-ESI-MS:calcd C9H13BrN2O2Na[M+Na]+,
283.0053,found,283.0044 -Bromo form 14
1 1 HNMR 500MHz in CDCl 3 1.37 (1H, t, J = 7.0Hz), 2.42 (2H, m), 3.28 (2H, m), 4.34 (4H, m), 6. 77 (1H, d, J = 2.0Hz), 7.46 (1H, d, J = 2.0Hz)
The replacement position was confirmed by HMQC and HMBC.
HR-ESI-MS: calcd C 9 H 13 BrN 2 O 2 Na [M + Na] + ,
283.0053, found, 283.0044
1HNMR 500MHz in CDCl3 1.37(1H,t,J=7.0Hz),2.42(2H,m),3.28(2H,m),4.34(4H,m),6.77(1H,d,J=2.0Hz),7.46(1H,d,J=2.0Hz)
HMQC,HMBCで置換位置を確認した。
HR-ESI-MS:calcd C9H13BrN2O2Na[M+Na]+,
283.0053,found,283.0044 -Bromo form 14
1 1 HNMR 500MHz in CDCl 3 1.37 (1H, t, J = 7.0Hz), 2.42 (2H, m), 3.28 (2H, m), 4.34 (4H, m), 6. 77 (1H, d, J = 2.0Hz), 7.46 (1H, d, J = 2.0Hz)
The replacement position was confirmed by HMQC and HMBC.
HR-ESI-MS: calcd C 9 H 13 BrN 2 O 2 Na [M + Na] + ,
283.0053, found, 283.0044
・エステル体16
4-ニトロー1H-ピラゾール(10.3mg,0.0884mmol)のDMF溶液0.59mlにK2CO3(24.4mg,0.177mmol)、1-ブロモプロピルピラゾールー3-カルボン酸エチル14(25.4mg,0.093mmol)を添加し、室温で3.8時間攪拌した。水で反応を停止し、CHCl3で抽出を行った。有機層を合わせて飽和食塩水で洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。エステル体16(20.49mg,85%)を得た。
1HNMR 500MHz in CDCl3 1.42(3H,t,J=7.0Hz)2.52(2H,m),4.15(2H,t,J=7.0Hz),4.24(2H,t,J=7.0Hz)4.42(2H,q,J=7.0Hz),6.82(1H,d,J=2.0Hz)、7.45(1H,d,J=2.0Hz),8.09(1H,s),8.22(1H,s)
HR-ESI-MS:calcd C12H16N5O4[M+H]+,
294.1197,found,294.1132 ・ Ester body 16
K 2 CO 3 (24.4 mg, 0.177 mmol) in 0.59 ml of a DMF solution of 4-nitro-1H-pyrazole (10.3 mg, 0.0884 mmol), ethyl 14 (25) 1-bromopropylpyrazole-3-carboxylate. (0.4 mg, 0.093 mmol) was added, and the mixture was stirred at room temperature for 3.8 hours. The reaction was stopped with water and extraction was performed with CHCl 3 . The organic layers were combined and washed with saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). Ester 16 (20.49 mg, 85%) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.42 (3H, t, J = 7.0Hz) 2.52 (2H, m), 4.15 (2H, t, J = 7.0Hz), 4.24 (2H, t, J = 7.0Hz) 4.42 (2H, q, J = 7.0Hz), 6.82 (1H, d, J = 2.0Hz), 7.45 (1H, d, J = 2. 0Hz), 8.09 (1H, s), 8.22 (1H, s)
HR-ESI-MS: calcd C 12 H 16 N 5 O 4 [M + H] + ,
294.1197, found, 294.1132
4-ニトロー1H-ピラゾール(10.3mg,0.0884mmol)のDMF溶液0.59mlにK2CO3(24.4mg,0.177mmol)、1-ブロモプロピルピラゾールー3-カルボン酸エチル14(25.4mg,0.093mmol)を添加し、室温で3.8時間攪拌した。水で反応を停止し、CHCl3で抽出を行った。有機層を合わせて飽和食塩水で洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。エステル体16(20.49mg,85%)を得た。
1HNMR 500MHz in CDCl3 1.42(3H,t,J=7.0Hz)2.52(2H,m),4.15(2H,t,J=7.0Hz),4.24(2H,t,J=7.0Hz)4.42(2H,q,J=7.0Hz),6.82(1H,d,J=2.0Hz)、7.45(1H,d,J=2.0Hz),8.09(1H,s),8.22(1H,s)
HR-ESI-MS:calcd C12H16N5O4[M+H]+,
294.1197,found,294.1132 ・ Ester body 16
K 2 CO 3 (24.4 mg, 0.177 mmol) in 0.59 ml of a DMF solution of 4-nitro-1H-pyrazole (10.3 mg, 0.0884 mmol), ethyl 14 (25) 1-bromopropylpyrazole-3-carboxylate. (0.4 mg, 0.093 mmol) was added, and the mixture was stirred at room temperature for 3.8 hours. The reaction was stopped with water and extraction was performed with CHCl 3 . The organic layers were combined and washed with saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). Ester 16 (20.49 mg, 85%) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.42 (3H, t, J = 7.0Hz) 2.52 (2H, m), 4.15 (2H, t, J = 7.0Hz), 4.24 (2H, t, J = 7.0Hz) 4.42 (2H, q, J = 7.0Hz), 6.82 (1H, d, J = 2.0Hz), 7.45 (1H, d, J = 2. 0Hz), 8.09 (1H, s), 8.22 (1H, s)
HR-ESI-MS: calcd C 12 H 16 N 5 O 4 [M + H] + ,
294.1197, found, 294.1132
・カルボン酸中間体17
エステル体16(20.49mg,0.070mmol)のMeOH/水=3:1混合溶媒4mlに水酸化ナトリウム(6.93mg,0.173mmol)を添加し、17.2時間加熱還流した。濃塩酸でpH=2程度に酸性化し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を減圧留去した。カルボン酸中間体17(15.48mg,84%)を得た。
1HNMR 500MHz in MeOH-d4 2.51(2H,m),4.28(4H,m)6.79(1H,d,J=2.5Hz),7.40(1H,d,J=2.0Hz),8.13(1H,s),8.61(1H,s)
HR-ESI-MS:calcd C10H11N5NaO4[M+Na]+,
288.0704,found,288.0724 -Carboxylic acid intermediate 17
Sodium hydroxide (6.93 mg, 0.173 mmol) was added to 4 ml of a MeOH / water = 3: 1 mixed solvent of ester 16 (20.49 mg, 0.070 mmol), and the mixture was heated under reflux for 17.2 hours. It was acidified to pH = 2 with concentrated hydrochloric acid and extracted with CHCl 3 . The organic layers were combined and dried over sodium sulfate. The solvent was distilled off under reduced pressure. Carboxylic acid intermediate 17 (15.48 mg, 84%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 2.51 (2H, m), 4.28 (4H, m) 6.79 (1H, d, J = 2.5Hz), 7.40 (1H, d, J = 2.0Hz), 8.13 (1H, s), 8.61 (1H, s)
HR-ESI-MS: calcd C 10 H 11 N 5 NaO 4 [M + Na] + ,
288.0704, found, 288.0724
エステル体16(20.49mg,0.070mmol)のMeOH/水=3:1混合溶媒4mlに水酸化ナトリウム(6.93mg,0.173mmol)を添加し、17.2時間加熱還流した。濃塩酸でpH=2程度に酸性化し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を減圧留去した。カルボン酸中間体17(15.48mg,84%)を得た。
1HNMR 500MHz in MeOH-d4 2.51(2H,m),4.28(4H,m)6.79(1H,d,J=2.5Hz),7.40(1H,d,J=2.0Hz),8.13(1H,s),8.61(1H,s)
HR-ESI-MS:calcd C10H11N5NaO4[M+Na]+,
288.0704,found,288.0724 -Carboxylic acid intermediate 17
Sodium hydroxide (6.93 mg, 0.173 mmol) was added to 4 ml of a MeOH / water = 3: 1 mixed solvent of ester 16 (20.49 mg, 0.070 mmol), and the mixture was heated under reflux for 17.2 hours. It was acidified to pH = 2 with concentrated hydrochloric acid and extracted with CHCl 3 . The organic layers were combined and dried over sodium sulfate. The solvent was distilled off under reduced pressure. Carboxylic acid intermediate 17 (15.48 mg, 84%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 2.51 (2H, m), 4.28 (4H, m) 6.79 (1H, d, J = 2.5Hz), 7.40 (1H, d, J = 2.0Hz), 8.13 (1H, s), 8.61 (1H, s)
HR-ESI-MS: calcd C 10 H 11 N 5 NaO 4 [M + Na] + ,
288.0704, found, 288.0724
・KUSC-5018
カルボン酸中間体17(15.87mg,0.0598mmol)のCH2Cl2溶液0.81mlにDIPEA(21μL,0.121mmol)、HATU(22.8mg,0.0600mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(11.3mg,0.0657mmol)を加えて、17時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5018(11.87mg,47%)を得た。
1HNMR 500MHz in CDCl3 2.54(2H,m),4.14(2H,t,J=6.5Hz),4.22(2H,t,J=6.5Hz),
6.91(1H,s),7.5(3H,m),7.61(2H,d,J=9.0Hz),8.12(1H,s),8.63(1H,s)
HR-ESI-MS:calcd C16H15BrN6NaO3[M+Na]+,443.0261,found,443.0248
・ KUSC-5018
Add DIPEA (21 μL, 0.121 mmol) and HATU (22.8 mg, 0.0600 mmol) to 0.81 ml of CH 2 Cl 2 solution of carboxylic acid intermediate 17 (15.87 mg, 0.0598 mmol) and add 30 at room temperature. Stir for minutes. p-Bromoaniline (11.3 mg, 0.0657 mmol) was added, and the mixture was stirred for 17 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 60: 40) to obtain KUSC-5018 (11.87 mg, 47%).
1 1 HNMR 500MHz in CDCl 3 2.54 (2H, m), 4.14 (2H, t, J = 6.5Hz), 4.22 (2H, t, J = 6.5Hz),
6.91 (1H, s), 7.5 (3H, m), 7.61 (2H, d, J = 9.0Hz), 8.12 (1H, s), 8.63 (1H, s)
HR-ESI-MS: calcd C 16 H 15 BrN 6 NaO 3 [M + Na] + , 443.0261, found, 443.0248
カルボン酸中間体17(15.87mg,0.0598mmol)のCH2Cl2溶液0.81mlにDIPEA(21μL,0.121mmol)、HATU(22.8mg,0.0600mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(11.3mg,0.0657mmol)を加えて、17時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5018(11.87mg,47%)を得た。
1HNMR 500MHz in CDCl3 2.54(2H,m),4.14(2H,t,J=6.5Hz),4.22(2H,t,J=6.5Hz),
6.91(1H,s),7.5(3H,m),7.61(2H,d,J=9.0Hz),8.12(1H,s),8.63(1H,s)
HR-ESI-MS:calcd C16H15BrN6NaO3[M+Na]+,443.0261,found,443.0248
Add DIPEA (21 μL, 0.121 mmol) and HATU (22.8 mg, 0.0600 mmol) to 0.81 ml of CH 2 Cl 2 solution of carboxylic acid intermediate 17 (15.87 mg, 0.0598 mmol) and add 30 at room temperature. Stir for minutes. p-Bromoaniline (11.3 mg, 0.0657 mmol) was added, and the mixture was stirred for 17 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 60: 40) to obtain KUSC-5018 (11.87 mg, 47%).
1 1 HNMR 500MHz in CDCl 3 2.54 (2H, m), 4.14 (2H, t, J = 6.5Hz), 4.22 (2H, t, J = 6.5Hz),
6.91 (1H, s), 7.5 (3H, m), 7.61 (2H, d, J = 9.0Hz), 8.12 (1H, s), 8.63 (1H, s)
HR-ESI-MS: calcd C 16 H 15 BrN 6 NaO 3 [M + Na] + , 443.0261, found, 443.0248
エステル体18
1-ブロモメチルピラゾールー3-カルボン酸エチル(50.0mg,0.215mmol)のアセトニトリル溶液2.8mLに1H-イミダゾール(33.0mg,0.485mmol)、K2CO3(65.2mg,0.472mmol)を加えて、室温で1日攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。エステル体18(36.1mg,76%)を得た。
1HNMR 500MHz in CDCl3 1.38(3H,t,J=7.0Hz),4.39(2H,q,J=7.0Hz),6.21(2H,s),6.83(1H,d,J=3.0Hz),7.07(1H,s),7.10(1H,s),7.51(1H,d,J=2.5Hz),7.73(1H,s)
HR-ESI-MS:calcd C10H13N4O2 [M+H]+,
221.1033,found,221.1012[M+H]+ Ester body 18
1H-imidazole (33.0 mg, 0.485 mmol), K2 CO 3 (65.2 mg, 0) in 2.8 mL of an acetonitrile solution of 1-bromomethylpyrazole-3-carboxylate (50.0 mg, 0.215 mmol) .472 mmol) was added, and the mixture was stirred at room temperature for 1 day. The reaction was stopped with water and extraction was performed with ethyl acetate. It was washed with saturated brine and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). Ester 18 (36.1 mg, 76%) was obtained.
1 1 HNMR 500MHz in CDCl3 1.38 (3H, t, J = 7.0Hz), 4.39 (2H, q, J = 7.0Hz), 6.21 (2H, s), 6.83 (1H, 1H, d, J = 3.0Hz), 7.07 (1H, s), 7.10 (1H, s), 7.51 (1H, d, J = 2.5Hz), 7.73 (1H, s)
HR-ESI-MS: calcd C 10 H 13 N 4 O 2 [M + H] + ,
221.1303, found, 221.1012 [M + H] +
1-ブロモメチルピラゾールー3-カルボン酸エチル(50.0mg,0.215mmol)のアセトニトリル溶液2.8mLに1H-イミダゾール(33.0mg,0.485mmol)、K2CO3(65.2mg,0.472mmol)を加えて、室温で1日攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。エステル体18(36.1mg,76%)を得た。
1HNMR 500MHz in CDCl3 1.38(3H,t,J=7.0Hz),4.39(2H,q,J=7.0Hz),6.21(2H,s),6.83(1H,d,J=3.0Hz),7.07(1H,s),7.10(1H,s),7.51(1H,d,J=2.5Hz),7.73(1H,s)
HR-ESI-MS:calcd C10H13N4O2 [M+H]+,
221.1033,found,221.1012[M+H]+ Ester body 18
1H-imidazole (33.0 mg, 0.485 mmol), K2 CO 3 (65.2 mg, 0) in 2.8 mL of an acetonitrile solution of 1-bromomethylpyrazole-3-carboxylate (50.0 mg, 0.215 mmol) .472 mmol) was added, and the mixture was stirred at room temperature for 1 day. The reaction was stopped with water and extraction was performed with ethyl acetate. It was washed with saturated brine and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). Ester 18 (36.1 mg, 76%) was obtained.
1 1 HNMR 500MHz in CDCl3 1.38 (3H, t, J = 7.0Hz), 4.39 (2H, q, J = 7.0Hz), 6.21 (2H, s), 6.83 (1H, 1H, d, J = 3.0Hz), 7.07 (1H, s), 7.10 (1H, s), 7.51 (1H, d, J = 2.5Hz), 7.73 (1H, s)
HR-ESI-MS: calcd C 10 H 13 N 4 O 2 [M + H] + ,
221.1303, found, 221.1012 [M + H] +
カルボン酸中間体19
エステル中間体18(36.1mg,0.164mmol)のMeOH/水=3:1混合溶媒3.2mLに2M水酸化ナトリウム水溶液(0.12mL,0.24mmol)を加えて、20.0時間加熱還流した。濃塩酸でpH=5程度に酸性化し、酢酸エチルで抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を減圧留去し、カルボン酸中間体19(5.6mg)を得た。 Carboxylic acid intermediate 19
Add 2M aqueous sodium hydroxide solution (0.12mL, 0.24 mmol) to 3.2 mL of MeOH / water = 3: 1 mixed solvent of ester intermediate 18 (36.1 mg, 0.164 mmol) and heat for 20.0 hours. Refluxed. It was acidified to pH = about 5 with concentrated hydrochloric acid and extracted with ethyl acetate. The organic layers were combined and dried over sodium sulfate. The solvent was distilled off under reduced pressure to obtain carboxylic acid intermediate 19 (5.6 mg).
エステル中間体18(36.1mg,0.164mmol)のMeOH/水=3:1混合溶媒3.2mLに2M水酸化ナトリウム水溶液(0.12mL,0.24mmol)を加えて、20.0時間加熱還流した。濃塩酸でpH=5程度に酸性化し、酢酸エチルで抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を減圧留去し、カルボン酸中間体19(5.6mg)を得た。 Carboxylic acid intermediate 19
Add 2M aqueous sodium hydroxide solution (0.12mL, 0.24 mmol) to 3.2 mL of MeOH / water = 3: 1 mixed solvent of ester intermediate 18 (36.1 mg, 0.164 mmol) and heat for 20.0 hours. Refluxed. It was acidified to pH = about 5 with concentrated hydrochloric acid and extracted with ethyl acetate. The organic layers were combined and dried over sodium sulfate. The solvent was distilled off under reduced pressure to obtain carboxylic acid intermediate 19 (5.6 mg).
KUSC-5014
カルボン酸中間体19(5.6mg,0.0291mmol)のCH2Cl2溶液0.39mLにDIPEA(10.2μL,0.0586mmol)、HATU(11.1mg,0.0292mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(5.0mg,0.0291mmol)を加えて、室温で1日攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣を分取TLC(CHCl3/MeOH=20:1)で精製した。KUSC-5014(5.0mg,9%,2steps)を得た。
1HNMR 600MHz in DMSO-d6 6.42(2H,s),6.84(1H,d,J=1.8Hz),6.94(1H,s),7.40(1H,s),7.52(2H,d,J=9.0Hz),7.77(2H,d,J=9.0Hz),7.94(1H,s),8.16(1H,d,J=1.8Hz),10.23(1H,br)HR-ESI-MS:calcd C14H12BrN5NaO [M+Na]+,368.0118,found,368.0154
KUSC-5014
Add DIPEA (10.2 μL, 0.0586 mmol) and HATU (11.1 mg, 0.0292 mmol) to 0.39 mL of CH 2 Cl 2 solution of carboxylic acid intermediate 19 (5.6 mg, 0.0291 mmol) at room temperature. Was stirred for 30 minutes. p-Bromoaniline (5.0 mg, 0.0291 mmol) was added, and the mixture was stirred at room temperature for 1 day. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by preparative TLC (CHCl 3 / MeOH = 20: 1). KUSC-5014 (5.0 mg, 9%, 2 steps) was obtained.
1 1 HNMR 600MHz in DMSO-d 6 6.42 (2H, s), 6.84 (1H, d, J = 1.8Hz), 6.94 (1H, s), 7.40 (1H, s), 7.52 (2H, d, J = 9.0Hz), 7.77 (2H, d, J = 9.0Hz), 7.94 (1H, s), 8.16 (1H, d, J = 1) .8Hz), 10.23 (1H, br) HR-ESI-MS: calcd C 14 H 12 BrN 5 NaO [M + Na] + , 368.0118, found, 368.0154
カルボン酸中間体19(5.6mg,0.0291mmol)のCH2Cl2溶液0.39mLにDIPEA(10.2μL,0.0586mmol)、HATU(11.1mg,0.0292mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(5.0mg,0.0291mmol)を加えて、室温で1日攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣を分取TLC(CHCl3/MeOH=20:1)で精製した。KUSC-5014(5.0mg,9%,2steps)を得た。
1HNMR 600MHz in DMSO-d6 6.42(2H,s),6.84(1H,d,J=1.8Hz),6.94(1H,s),7.40(1H,s),7.52(2H,d,J=9.0Hz),7.77(2H,d,J=9.0Hz),7.94(1H,s),8.16(1H,d,J=1.8Hz),10.23(1H,br)HR-ESI-MS:calcd C14H12BrN5NaO [M+Na]+,368.0118,found,368.0154
Add DIPEA (10.2 μL, 0.0586 mmol) and HATU (11.1 mg, 0.0292 mmol) to 0.39 mL of CH 2 Cl 2 solution of carboxylic acid intermediate 19 (5.6 mg, 0.0291 mmol) at room temperature. Was stirred for 30 minutes. p-Bromoaniline (5.0 mg, 0.0291 mmol) was added, and the mixture was stirred at room temperature for 1 day. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by preparative TLC (CHCl 3 / MeOH = 20: 1). KUSC-5014 (5.0 mg, 9%, 2 steps) was obtained.
1 1 HNMR 600MHz in DMSO-d 6 6.42 (2H, s), 6.84 (1H, d, J = 1.8Hz), 6.94 (1H, s), 7.40 (1H, s), 7.52 (2H, d, J = 9.0Hz), 7.77 (2H, d, J = 9.0Hz), 7.94 (1H, s), 8.16 (1H, d, J = 1) .8Hz), 10.23 (1H, br) HR-ESI-MS: calcd C 14 H 12 BrN 5 NaO [M + Na] + , 368.0118, found, 368.0154
・KUSC-5019
エステル体20
1-ブロモメチルピラゾールー3-カルボン酸エチル(100mg,0.429mmol)のアセトニトリル溶液5.6mLに1H-ピラゾール(66.0mg,0.969mmol)、K2CO3(130.5mg,0.944mmol)を加えて、室温で3.5日攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。エステル体20(94.8mg, quant.)を得た。
1HNMR 600MHz in CDCl3 1.37(3H,t,J=7.2Hz),4.39(2H,q,J=7.2Hz),6.30(1H,s),6.37(2H,s),6.81(1H,d,J=3.0Hz),7.56(1H,s),7.67(1H,d,J=1.8Hz),7.70(1H,d,J=1.8Hz)
HR-ESI-MS:calcd C10H13N4O2[M+H]+,
221.1033,found,221.1003 ・ KUSC-5019
Ester body 20
1H-pyrazole (66.0 mg, 0.969 mmol), K2 CO 3 (130.5 mg, 0.944 mmol) in 5.6 mL of an acetonitrile solution of 1-bromomethylpyrazole- 3 -carboxylate (100 mg, 0.429 mmol). ) Was added, and the mixture was stirred at room temperature for 3.5 days. The reaction was stopped with water and extraction was performed with ethyl acetate. It was washed with saturated brine and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). Ester 20 (94.8 mg, quant.) Was obtained.
1 1 HNMR 600MHz in CDCl 3 1.37 (3H, t, J = 7.2Hz), 4.39 (2H, q, J = 7.2Hz), 6.30 (1H, s), 6.37 (2H) , S), 6.81 (1H, d, J = 3.0Hz), 7.56 (1H, s), 7.67 (1H, d, J = 1.8Hz), 7.70 (1H, d) , J = 1.8Hz)
HR-ESI-MS: calcd C 10 H 13 N 4 O 2 [M + H] + ,
221.1303, found, 221.1003
エステル体20
1-ブロモメチルピラゾールー3-カルボン酸エチル(100mg,0.429mmol)のアセトニトリル溶液5.6mLに1H-ピラゾール(66.0mg,0.969mmol)、K2CO3(130.5mg,0.944mmol)を加えて、室温で3.5日攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。エステル体20(94.8mg, quant.)を得た。
1HNMR 600MHz in CDCl3 1.37(3H,t,J=7.2Hz),4.39(2H,q,J=7.2Hz),6.30(1H,s),6.37(2H,s),6.81(1H,d,J=3.0Hz),7.56(1H,s),7.67(1H,d,J=1.8Hz),7.70(1H,d,J=1.8Hz)
HR-ESI-MS:calcd C10H13N4O2[M+H]+,
221.1033,found,221.1003 ・ KUSC-5019
Ester body 20
1H-pyrazole (66.0 mg, 0.969 mmol), K2 CO 3 (130.5 mg, 0.944 mmol) in 5.6 mL of an acetonitrile solution of 1-bromomethylpyrazole- 3 -carboxylate (100 mg, 0.429 mmol). ) Was added, and the mixture was stirred at room temperature for 3.5 days. The reaction was stopped with water and extraction was performed with ethyl acetate. It was washed with saturated brine and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). Ester 20 (94.8 mg, quant.) Was obtained.
1 1 HNMR 600MHz in CDCl 3 1.37 (3H, t, J = 7.2Hz), 4.39 (2H, q, J = 7.2Hz), 6.30 (1H, s), 6.37 (2H) , S), 6.81 (1H, d, J = 3.0Hz), 7.56 (1H, s), 7.67 (1H, d, J = 1.8Hz), 7.70 (1H, d) , J = 1.8Hz)
HR-ESI-MS: calcd C 10 H 13 N 4 O 2 [M + H] + ,
221.1303, found, 221.1003
カルボン酸中間体21
エステル中間体20(30.0mg,0.136mmol)のMeOH/水=3:1混合溶媒2.8mLに2M水酸化ナトリウム水溶液0.10mLを加えて、48℃で14.6時間攪拌した。濃塩酸でpH=5程度に酸性化し、酢酸エチルで抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を減圧留去し、カルボン酸中間体21(9.7mg,37%,2steps)を得た。
1HNMR 500MHz in MeOH-d4 6.38(1H,d,J=2.0Hz),6.47(2H,s),6.81(1H,m),7.59(1H,d,J=2.0Hz),7.93(1H,d,J=2.5Hz),7.96(1H,d,J=2.5Hz)
HR-ESI-MS:calcd C8H8N4NaO2[M+Na]+,
215.0540,found,215.0527 Carboxylic acid intermediate 21
To 2.8 mL of a MeOH / water = 3: 1 mixed solvent of ester intermediate 20 (30.0 mg, 0.136 mmol), 0.10 mL of a 2M sodium hydroxide aqueous solution was added, and the mixture was stirred at 48 ° C. for 14.6 hours. It was acidified to pH = about 5 with concentrated hydrochloric acid and extracted with ethyl acetate. The organic layers were combined and dried over sodium sulfate. The solvent was distilled off under reduced pressure to obtain carboxylic acid intermediate 21 (9.7 mg, 37%, 2 steps).
1 1 HNMR 500MHz in MeOH-d 4 6.38 (1H, d, J = 2.0Hz), 6.47 (2H, s), 6.81 (1H, m), 7.59 (1H, d, J) = 2.0Hz), 7.93 (1H, d, J = 2.5Hz), 7.96 (1H, d, J = 2.5Hz)
HR-ESI-MS: calcd C 8 H 8 N 4 NaO 2 [M + Na] + ,
215.0540, found, 215.0527
エステル中間体20(30.0mg,0.136mmol)のMeOH/水=3:1混合溶媒2.8mLに2M水酸化ナトリウム水溶液0.10mLを加えて、48℃で14.6時間攪拌した。濃塩酸でpH=5程度に酸性化し、酢酸エチルで抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を減圧留去し、カルボン酸中間体21(9.7mg,37%,2steps)を得た。
1HNMR 500MHz in MeOH-d4 6.38(1H,d,J=2.0Hz),6.47(2H,s),6.81(1H,m),7.59(1H,d,J=2.0Hz),7.93(1H,d,J=2.5Hz),7.96(1H,d,J=2.5Hz)
HR-ESI-MS:calcd C8H8N4NaO2[M+Na]+,
215.0540,found,215.0527 Carboxylic acid intermediate 21
To 2.8 mL of a MeOH / water = 3: 1 mixed solvent of ester intermediate 20 (30.0 mg, 0.136 mmol), 0.10 mL of a 2M sodium hydroxide aqueous solution was added, and the mixture was stirred at 48 ° C. for 14.6 hours. It was acidified to pH = about 5 with concentrated hydrochloric acid and extracted with ethyl acetate. The organic layers were combined and dried over sodium sulfate. The solvent was distilled off under reduced pressure to obtain carboxylic acid intermediate 21 (9.7 mg, 37%, 2 steps).
1 1 HNMR 500MHz in MeOH-d 4 6.38 (1H, d, J = 2.0Hz), 6.47 (2H, s), 6.81 (1H, m), 7.59 (1H, d, J) = 2.0Hz), 7.93 (1H, d, J = 2.5Hz), 7.96 (1H, d, J = 2.5Hz)
HR-ESI-MS: calcd C 8 H 8 N 4 NaO 2 [M + Na] + ,
215.0540, found, 215.0527
KUSC-5019
カルボン酸中間体21(9.72mg,0.0506mmol)のCH2Cl2溶液0.68mLにDIPEA(18μL,0.103mmol)、HATU(19.43mg,0.0505mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(9.60mg,0.0558mmol)を加えて、室温で11.3時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=100:3)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=50:50)にて精製し、KUSC-5019(7.84mg,45%)を得た。
1HNMR 500MHz in Acetone-d6 6.31(1H,t,J=2.0Hz),6.50(2H,s),6.81(1H,d,J=2.5Hz),7.49-51(3H,m),7.82(2H,d,J=9.0Hz),7.99(1H,s),8.00(1H,s),9.55(1H,s)
HR-ESI-MS:calcd C14H12BrN5NaO[M+Na]+,
368.0118,found,368.0093
KUSC-5019
Add DIPEA (18 μL, 0.103 mmol) and HATU (19.43 mg, 0.0505 mmol) to 0.68 mL of a CH 2 Cl 2 solution of carboxylic acid intermediate 21 (9.72 mg, 0.0506 mmol) and add 30 at room temperature. Stir for minutes. p-Bromoaniline (9.60 mg, 0.0558 mmol) was added, and the mixture was stirred at room temperature for 11.3 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 100: 3). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 50: 50) to obtain KUSC-5019 (7.84 mg, 45%).
1 1 HNMR 500MHz in Acetone-d 6 6.31 (1H, t, J = 2.0Hz), 6.50 (2H, s), 6.81 (1H, d, J = 2.5Hz), 7.49 -51 (3H, m), 7.82 (2H, d, J = 9.0Hz), 7.99 (1H, s), 8.00 (1H, s), 9.55 (1H, s)
HR-ESI-MS: calcd C 14 H 12 BrN 5 NaO [M + Na] + ,
368.0118, found, 368.093
カルボン酸中間体21(9.72mg,0.0506mmol)のCH2Cl2溶液0.68mLにDIPEA(18μL,0.103mmol)、HATU(19.43mg,0.0505mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(9.60mg,0.0558mmol)を加えて、室温で11.3時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=100:3)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=50:50)にて精製し、KUSC-5019(7.84mg,45%)を得た。
1HNMR 500MHz in Acetone-d6 6.31(1H,t,J=2.0Hz),6.50(2H,s),6.81(1H,d,J=2.5Hz),7.49-51(3H,m),7.82(2H,d,J=9.0Hz),7.99(1H,s),8.00(1H,s),9.55(1H,s)
HR-ESI-MS:calcd C14H12BrN5NaO[M+Na]+,
368.0118,found,368.0093
Add DIPEA (18 μL, 0.103 mmol) and HATU (19.43 mg, 0.0505 mmol) to 0.68 mL of a CH 2 Cl 2 solution of carboxylic acid intermediate 21 (9.72 mg, 0.0506 mmol) and add 30 at room temperature. Stir for minutes. p-Bromoaniline (9.60 mg, 0.0558 mmol) was added, and the mixture was stirred at room temperature for 11.3 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 100: 3). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 50: 50) to obtain KUSC-5019 (7.84 mg, 45%).
1 1 HNMR 500MHz in Acetone-d 6 6.31 (1H, t, J = 2.0Hz), 6.50 (2H, s), 6.81 (1H, d, J = 2.5Hz), 7.49 -51 (3H, m), 7.82 (2H, d, J = 9.0Hz), 7.99 (1H, s), 8.00 (1H, s), 9.55 (1H, s)
HR-ESI-MS: calcd C 14 H 12 BrN 5 NaO [M + Na] + ,
368.0118, found, 368.093
・KUSC-5020の合成
エステル体22
4-ニトロイミダゾール(20.0mg,0.177mmol)のDMF溶液0.10mlに1-ブロモメチルピラゾールー3-カルボン酸エチル(45.3mg,0.194mmol),K2CO3(48.9mg,0.354mmol)を添加し、室温で7時間攪拌した。水で反応を停止させ、CHCl3で抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、エステル体22(64.93mg)を得た。
1HNMR 500MHz in DMSO-d6 1.27(3H,t,J=6.0Hz),4.27(2H,q,J=6.0Hz),6.54(2H,s),6.83(1H,d,J=1.5Hz),8.15(1H,s),8.23(1H,d,J=2.5Hz),8.59(1H,s)
HR-ESI-MS:calcd C10H11N5NaO4[M+Na]+,288.0704,found,288.0726 -Synthetic ester of KUSC-5020 22
In 0.10 ml of DMF solution of 4-nitroimidazole (20.0 mg, 0.177 mmol), ethyl 1-bromomethylpyrazole-3-carboxylate (45.3 mg, 0.194 mmol), K 2 CO 3 (48.9 mg,). 0.354 mmol) was added, and the mixture was stirred at room temperature for 7 hours. The reaction was stopped with water, extraction was performed with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1) to obtain an ester 22 (64.93 mg).
1 1 HNMR 500MHz in DMSO-d 6 1.27 (3H, t, J = 6.0Hz), 4.27 (2H, q, J = 6.0Hz), 6.54 (2H, s), 6.83 (1H, d, J = 1.5Hz), 8.15 (1H, s), 8.23 (1H, d, J = 2.5Hz), 8.59 (1H, s)
HR-ESI-MS: calcd C 10 H 11 N 5 NaO 4 [M + Na] + , 288.0704, found, 288.0726
エステル体22
4-ニトロイミダゾール(20.0mg,0.177mmol)のDMF溶液0.10mlに1-ブロモメチルピラゾールー3-カルボン酸エチル(45.3mg,0.194mmol),K2CO3(48.9mg,0.354mmol)を添加し、室温で7時間攪拌した。水で反応を停止させ、CHCl3で抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、エステル体22(64.93mg)を得た。
1HNMR 500MHz in DMSO-d6 1.27(3H,t,J=6.0Hz),4.27(2H,q,J=6.0Hz),6.54(2H,s),6.83(1H,d,J=1.5Hz),8.15(1H,s),8.23(1H,d,J=2.5Hz),8.59(1H,s)
HR-ESI-MS:calcd C10H11N5NaO4[M+Na]+,288.0704,found,288.0726 -Synthetic ester of KUSC-5020 22
In 0.10 ml of DMF solution of 4-nitroimidazole (20.0 mg, 0.177 mmol), ethyl 1-bromomethylpyrazole-3-carboxylate (45.3 mg, 0.194 mmol), K 2 CO 3 (48.9 mg,). 0.354 mmol) was added, and the mixture was stirred at room temperature for 7 hours. The reaction was stopped with water, extraction was performed with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1) to obtain an ester 22 (64.93 mg).
1 1 HNMR 500MHz in DMSO-d 6 1.27 (3H, t, J = 6.0Hz), 4.27 (2H, q, J = 6.0Hz), 6.54 (2H, s), 6.83 (1H, d, J = 1.5Hz), 8.15 (1H, s), 8.23 (1H, d, J = 2.5Hz), 8.59 (1H, s)
HR-ESI-MS: calcd C 10 H 11 N 5 NaO 4 [M + Na] + , 288.0704, found, 288.0726
カルボン酸中間体23
エステル体22(30.0mg,0.113mmol)のMeOH/水=3:1混合溶媒2.4mlに2M水酸化ナトリウム水溶液0.085mLを加えて、48℃で10.2時間攪拌した。濃塩酸でpH=5程度に酸性化し、酢酸エチルで抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を留去し、カルボン酸中間体23を(24.88mg,93%,2steps)得た。
1HNMR 500MHz in DMSO-d6 6.51(2H,s),6.77(1H,d,J=2.0Hz),8.13(1H,d,J=2.0Hz),8.19(1H,d,J=2.5Hz),8.56(1H,d,J=1.5Hz)
HR-ESI-MS:calcd C8H8N5O4[M+H]+,
238.0572,found,238.0532 Carboxylic acid intermediate 23
0.085 mL of a 2 M aqueous sodium hydroxide solution was added to 2.4 ml of a MeOH / water = 3: 1 mixed solvent of ester 22 (30.0 mg, 0.113 mmol), and the mixture was stirred at 48 ° C. for 10.2 hours. It was acidified to pH = about 5 with concentrated hydrochloric acid and extracted with ethyl acetate. The organic layers were combined and dried over sodium sulfate. The solvent was distilled off to obtain carboxylic acid intermediate 23 (24.88 mg, 93%, 2 steps).
1 1 HNMR 500MHz in DMSO-d 6 6.51 (2H, s), 6.77 (1H, d, J = 2.0Hz), 8.13 (1H, d, J = 2.0Hz), 8.19 (1H, d, J = 2.5Hz), 8.56 (1H, d, J = 1.5Hz)
HR-ESI-MS: calcd C 8 H 8 N 5 O 4 [M + H] + ,
238.0572, found, 238.0532
エステル体22(30.0mg,0.113mmol)のMeOH/水=3:1混合溶媒2.4mlに2M水酸化ナトリウム水溶液0.085mLを加えて、48℃で10.2時間攪拌した。濃塩酸でpH=5程度に酸性化し、酢酸エチルで抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を留去し、カルボン酸中間体23を(24.88mg,93%,2steps)得た。
1HNMR 500MHz in DMSO-d6 6.51(2H,s),6.77(1H,d,J=2.0Hz),8.13(1H,d,J=2.0Hz),8.19(1H,d,J=2.5Hz),8.56(1H,d,J=1.5Hz)
HR-ESI-MS:calcd C8H8N5O4[M+H]+,
238.0572,found,238.0532 Carboxylic acid intermediate 23
0.085 mL of a 2 M aqueous sodium hydroxide solution was added to 2.4 ml of a MeOH / water = 3: 1 mixed solvent of ester 22 (30.0 mg, 0.113 mmol), and the mixture was stirred at 48 ° C. for 10.2 hours. It was acidified to pH = about 5 with concentrated hydrochloric acid and extracted with ethyl acetate. The organic layers were combined and dried over sodium sulfate. The solvent was distilled off to obtain carboxylic acid intermediate 23 (24.88 mg, 93%, 2 steps).
1 1 HNMR 500MHz in DMSO-d 6 6.51 (2H, s), 6.77 (1H, d, J = 2.0Hz), 8.13 (1H, d, J = 2.0Hz), 8.19 (1H, d, J = 2.5Hz), 8.56 (1H, d, J = 1.5Hz)
HR-ESI-MS: calcd C 8 H 8 N 5 O 4 [M + H] + ,
238.0572, found, 238.0532
・KUSC-5020
カルボン酸中間体23(18.15mg,0.0765mmol)のCH2Cl2溶液1.0mLにDIPEA(27μL,0.155mmol)、HATU(29.30mg,0.0770mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(9.60mg,0.0558mmol)を加えて、室温で11.6時間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を合わせて、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=100:3)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=50:50)にて精製し、KUSC-5020(18.94mg,63%)を得た。
1HNMR 500MHz in DMSO-d6 6.54(2H,s),6.88(1H,d,J=2.5Hz),7.53(2H,d,J=8.5Hz),7.75(2H,d,J=8.5Hz),8.16(1H,d,J=1.5Hz),8.22(1H,d,J=2.5Hz), 8.59(1H,s),10.20(1H,s)
HR-ESI-MS:calcd C14H11BrN6NaO3[M+Na]+,
412.9969,found,412.9965
・ KUSC-5020
Add DIPEA (27 μL, 0.155 mmol) and HATU (29.30 mg, 0.0770 mmol) to 1.0 mL of CH 2 Cl 2 solution of Carboxylic Acid Intermediate 23 (18.15 mg, 0.0765 mmol) and add 30 at room temperature. Stir for minutes. p-Bromoaniline (9.60 mg, 0.0558 mmol) was added, and the mixture was stirred at room temperature for 11.6 hours. The reaction was stopped with water and extracted with ethyl acetate. The organic layers were combined and washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 100: 3). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 50: 50) to obtain KUSC-5020 (18.94 mg, 63%).
1 1 HNMR 500MHz in DMSO-d 6 6.54 (2H, s), 6.88 (1H, d, J = 2.5Hz), 7.53 (2H, d, J = 8.5Hz), 7.75 (2H, d, J = 8.5Hz), 8.16 (1H, d, J = 1.5Hz), 8.22 (1H, d, J = 2.5Hz), 8.59 (1H, s) , 10.20 (1H, s)
HR-ESI-MS: calcd C 14 H 11 BrN 6 NaO 3 [M + Na] + ,
412.9696, found, 412.9965
カルボン酸中間体23(18.15mg,0.0765mmol)のCH2Cl2溶液1.0mLにDIPEA(27μL,0.155mmol)、HATU(29.30mg,0.0770mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(9.60mg,0.0558mmol)を加えて、室温で11.6時間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を合わせて、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=100:3)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=50:50)にて精製し、KUSC-5020(18.94mg,63%)を得た。
1HNMR 500MHz in DMSO-d6 6.54(2H,s),6.88(1H,d,J=2.5Hz),7.53(2H,d,J=8.5Hz),7.75(2H,d,J=8.5Hz),8.16(1H,d,J=1.5Hz),8.22(1H,d,J=2.5Hz), 8.59(1H,s),10.20(1H,s)
HR-ESI-MS:calcd C14H11BrN6NaO3[M+Na]+,
412.9969,found,412.9965
Add DIPEA (27 μL, 0.155 mmol) and HATU (29.30 mg, 0.0770 mmol) to 1.0 mL of CH 2 Cl 2 solution of Carboxylic Acid Intermediate 23 (18.15 mg, 0.0765 mmol) and add 30 at room temperature. Stir for minutes. p-Bromoaniline (9.60 mg, 0.0558 mmol) was added, and the mixture was stirred at room temperature for 11.6 hours. The reaction was stopped with water and extracted with ethyl acetate. The organic layers were combined and washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 100: 3). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 50: 50) to obtain KUSC-5020 (18.94 mg, 63%).
1 1 HNMR 500MHz in DMSO-d 6 6.54 (2H, s), 6.88 (1H, d, J = 2.5Hz), 7.53 (2H, d, J = 8.5Hz), 7.75 (2H, d, J = 8.5Hz), 8.16 (1H, d, J = 1.5Hz), 8.22 (1H, d, J = 2.5Hz), 8.59 (1H, s) , 10.20 (1H, s)
HR-ESI-MS: calcd C 14 H 11 BrN 6 NaO 3 [M + Na] + ,
412.9696, found, 412.9965
・KUSC-5021
エステル体24
4-ニトロピラゾール(100.0mg,0.884mmol)のDMF溶液0.49mlに3-ブロモプロピオン酸メチル(0.11mL,1.01mmol),K2CO3(244.4mg,0.354mmol)を添加し、室温で8.3時間攪拌した。水で反応を停止させ、クロロホルムで抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、エステル体24を(171.5mg,97%)得た。1HNMRは文献値と一致した。 ・ KUSC-5021
Ester body 24
Methyl 3-bromopropionate (0.11 mL, 1.01 mmol) and K2 CO 3 ( 244.4 mg, 0.354 mmol) were added to 0.49 ml of a DMF solution of 4-nitropyrazole (100.0 mg, 0.884 mmol). It was added and stirred at room temperature for 8.3 hours. The reaction was stopped with water, extraction was performed with chloroform, the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1) to obtain an ester 24 (171.5 mg, 97%). 1 1 HNMR was in agreement with the literature value.
エステル体24
4-ニトロピラゾール(100.0mg,0.884mmol)のDMF溶液0.49mlに3-ブロモプロピオン酸メチル(0.11mL,1.01mmol),K2CO3(244.4mg,0.354mmol)を添加し、室温で8.3時間攪拌した。水で反応を停止させ、クロロホルムで抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、エステル体24を(171.5mg,97%)得た。1HNMRは文献値と一致した。 ・ KUSC-5021
Ester body 24
Methyl 3-bromopropionate (0.11 mL, 1.01 mmol) and K2 CO 3 ( 244.4 mg, 0.354 mmol) were added to 0.49 ml of a DMF solution of 4-nitropyrazole (100.0 mg, 0.884 mmol). It was added and stirred at room temperature for 8.3 hours. The reaction was stopped with water, extraction was performed with chloroform, the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1) to obtain an ester 24 (171.5 mg, 97%). 1 1 HNMR was in agreement with the literature value.
カルボン酸中間体25
エステル体24(50.1mg,0.251mmol)のMeOH/水=3:1混合溶媒5mlに2M水酸化ナトリウム水溶液0.19mLを加えて、48℃で14.3時間攪拌した。濃塩酸でpH=2から3程度に酸性化し、酢酸エチルで抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を留去し、カルボン酸中間体25を(51.86mg)得た。1HNMRは文献値と一致した。 Carboxylic acid intermediate 25
0.19 mL of a 2 M aqueous sodium hydroxide solution was added to 5 ml of a MeOH / water = 3: 1 mixed solvent of ester 24 (50.1 mg, 0.251 mmol), and the mixture was stirred at 48 ° C. for 14.3 hours. It was acidified to pH = 2 to 3 with concentrated hydrochloric acid and extracted with ethyl acetate. The organic layers were combined and dried over sodium sulfate. The solvent was distilled off to obtain (51.86 mg) the carboxylic acid intermediate 25. 1 1 HNMR was in agreement with the literature value.
エステル体24(50.1mg,0.251mmol)のMeOH/水=3:1混合溶媒5mlに2M水酸化ナトリウム水溶液0.19mLを加えて、48℃で14.3時間攪拌した。濃塩酸でpH=2から3程度に酸性化し、酢酸エチルで抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を留去し、カルボン酸中間体25を(51.86mg)得た。1HNMRは文献値と一致した。 Carboxylic acid intermediate 25
0.19 mL of a 2 M aqueous sodium hydroxide solution was added to 5 ml of a MeOH / water = 3: 1 mixed solvent of ester 24 (50.1 mg, 0.251 mmol), and the mixture was stirred at 48 ° C. for 14.3 hours. It was acidified to pH = 2 to 3 with concentrated hydrochloric acid and extracted with ethyl acetate. The organic layers were combined and dried over sodium sulfate. The solvent was distilled off to obtain (51.86 mg) the carboxylic acid intermediate 25. 1 1 HNMR was in agreement with the literature value.
KUSC-5021
カルボン酸中間体25(15.0mg,0.0810mmol)のジクロロメタン溶液1.1mLにDIPEA(28μL,0.161mmol)、HATU(30.8mg,0.0810mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(15.3mg,0.0889mmol)を加えて、室温で18.5時間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を合わせて、1MHCl水溶液、飽和炭酸水素ナトリウム水溶液、飽和食塩水で順次洗浄した。硫酸ナトリウムで乾燥し、溶媒を留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5021(20.35mg,74%)を得た。
1HNMR 500MHz in MeOH-d4 4.74(4H,s),6.75(d,J=3.0Hz),7.48-7.49(3H,m),7.66(2H,d),8.34(1H,s)
HR-ESI-MS:calcd C12H10BrN4O3[M―H]-,
338.9985,found,338.9945 KUSC-5021
DIPEA (28 μL, 0.161 mmol) and HATU (30.8 mg, 0.0810 mmol) were added to 1.1 mL of a dichloromethane solution of carboxylic acid intermediate 25 (15.0 mg, 0.0810 mmol), and the mixture was stirred at room temperature for 30 minutes. .. p-Bromoaniline (15.3 mg, 0.0889 mmol) was added, and the mixture was stirred at room temperature for 18.5 hours. The reaction was stopped with water and extracted with ethyl acetate. The organic layers were combined and washed sequentially with a 1M HCl aqueous solution, a saturated aqueous sodium hydrogen carbonate solution, and a saturated brine. It was dried over sodium sulfate and the solvent was distilled off. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 60: 40) to obtain KUSC-5021 (20.35 mg, 74%).
1 1 HNMR 500MHz in MeOH-d 4 4.74 (4H, s), 6.75 (d, J = 3.0Hz), 7.48-7.49 (3H, m), 7.66 (2H, d) ), 8.34 (1H, s)
HR-ESI-MS: calcd C 12 H 10 BrN 4 O 3 [MH] - ,
338.9985, found, 338.9945
カルボン酸中間体25(15.0mg,0.0810mmol)のジクロロメタン溶液1.1mLにDIPEA(28μL,0.161mmol)、HATU(30.8mg,0.0810mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(15.3mg,0.0889mmol)を加えて、室温で18.5時間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を合わせて、1MHCl水溶液、飽和炭酸水素ナトリウム水溶液、飽和食塩水で順次洗浄した。硫酸ナトリウムで乾燥し、溶媒を留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5021(20.35mg,74%)を得た。
1HNMR 500MHz in MeOH-d4 4.74(4H,s),6.75(d,J=3.0Hz),7.48-7.49(3H,m),7.66(2H,d),8.34(1H,s)
HR-ESI-MS:calcd C12H10BrN4O3[M―H]-,
338.9985,found,338.9945 KUSC-5021
DIPEA (28 μL, 0.161 mmol) and HATU (30.8 mg, 0.0810 mmol) were added to 1.1 mL of a dichloromethane solution of carboxylic acid intermediate 25 (15.0 mg, 0.0810 mmol), and the mixture was stirred at room temperature for 30 minutes. .. p-Bromoaniline (15.3 mg, 0.0889 mmol) was added, and the mixture was stirred at room temperature for 18.5 hours. The reaction was stopped with water and extracted with ethyl acetate. The organic layers were combined and washed sequentially with a 1M HCl aqueous solution, a saturated aqueous sodium hydrogen carbonate solution, and a saturated brine. It was dried over sodium sulfate and the solvent was distilled off. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 60: 40) to obtain KUSC-5021 (20.35 mg, 74%).
1 1 HNMR 500MHz in MeOH-d 4 4.74 (4H, s), 6.75 (d, J = 3.0Hz), 7.48-7.49 (3H, m), 7.66 (2H, d) ), 8.34 (1H, s)
HR-ESI-MS: calcd C 12 H 10 BrN 4 O 3 [MH] - ,
338.9985, found, 338.9945
KUSC-5022
カルボン酸中間体25(15.0mg,0.0810mmol)のCH2Cl2溶液1.1mLにDIPEA(28μL,0.161mmol)、HATU(30.8mg,0.0810mmol)を加えて、室温で30分間攪拌した。2-アミノー5-ブロモピリジン(15.4mg,0.0890mmol)を加えて、室温で24.3時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて、飽和炭酸水素ナトリウム水溶液、飽和食塩水で順次洗浄した。硫酸ナトリウムで乾燥し、溶媒を留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=30:70)にて精製し、KUSC-5022(8.63mg,31%)を得た。
1HNMR 600MHz in DMSO-d6 3.04(2H,t,J=6.6Hz),4.48(2H,d,J=6.6Hz),7.98-8.02(3H,m),8.26(1H,s),8.43(1H,d,J=3.0Hz),8.88(1H,s),10.80(1H,br)
HR-ESI-MS:calcd C11H9BrN5O3[M-H]-,
339.9937,found,339.9900
KUSC-5022
Add DIPEA (28 μL, 0.161 mmol) and HATU (30.8 mg, 0.0810 mmol) to 1.1 mL of CH 2 Cl 2 solution of Carboxylic Acid Intermediate 25 (15.0 mg, 0.0810 mmol), and add 30 at room temperature. Stir for minutes. 2-Amino-5-bromopyridine (15.4 mg, 0.0890 mmol) was added, and the mixture was stirred at room temperature for 24.3 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and washed sequentially with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate and the solvent was distilled off. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 30: 70) to obtain KUSC-5022 (8.63 mg, 31%).
1 1 HNMR 600MHz in DMSO-d 6 3.04 (2H, t, J = 6.6Hz), 4.48 (2H, d, J = 6.6Hz), 7.98-8.02 (3H, m) , 8.26 (1H, s), 8.43 (1H, d, J = 3.0Hz), 8.88 (1H, s), 10.80 (1H, br)
HR-ESI-MS: calcd C 11 H 9 BrN 5 O 3 [MH] - ,
339.9937, found, 339.9900
1HNMR 600MHz in DMSO-d6 3.04(2H,t,J=6.6Hz),4.48(2H,d,J=6.6Hz),7.98-8.02(3H,m),8.26(1H,s),8.43(1H,d,J=3.0Hz),8.88(1H,s),10.80(1H,br)
HR-ESI-MS:calcd C11H9BrN5O3[M-H]-,
339.9937,found,339.9900
1 1 HNMR 600MHz in DMSO-d 6 3.04 (2H, t, J = 6.6Hz), 4.48 (2H, d, J = 6.6Hz), 7.98-8.02 (3H, m) , 8.26 (1H, s), 8.43 (1H, d, J = 3.0Hz), 8.88 (1H, s), 10.80 (1H, br)
HR-ESI-MS: calcd C 11 H 9 BrN 5 O 3 [MH] - ,
339.9937, found, 339.9900
・KUSC-5026
エステル体22,26
1-ブロモメチルピラゾールー3-カルボン酸エチル(100.0mg,0.429mmol)のDMF溶液4.3mlに4-ニトロイミダゾール(72.8mg,0.644mmol),Cs2CO3(153.8mg,0.472mmol)を添加し、80℃で19時間攪拌した。水で反応を停止させ、酢酸エチルで抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、エステル体26を30.2mg(27%)、エステル中間体22(74.8mg,66%)得た。 ・ KUSC-5026
Ester bodies 22,26
4-Nimidazole (72.8 mg, 0.644 mmol) in 4.3 ml of DMF solution of 1-bromomethylpyrazole-3-carboxylate (100.0 mg, 0.429 mmol), Cs 2 CO 3 (153.8 mg, 0.472 mmol) was added, and the mixture was stirred at 80 ° C. for 19 hours. The reaction was stopped with water, extraction was performed with ethyl acetate, the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1), and the ester body 26 was 30.2 mg (27%) and the ester intermediate 22 (74.8 mg, 66%). Obtained.
エステル体22,26
1-ブロモメチルピラゾールー3-カルボン酸エチル(100.0mg,0.429mmol)のDMF溶液4.3mlに4-ニトロイミダゾール(72.8mg,0.644mmol),Cs2CO3(153.8mg,0.472mmol)を添加し、80℃で19時間攪拌した。水で反応を停止させ、酢酸エチルで抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、エステル体26を30.2mg(27%)、エステル中間体22(74.8mg,66%)得た。 ・ KUSC-5026
Ester bodies 22,26
4-Nimidazole (72.8 mg, 0.644 mmol) in 4.3 ml of DMF solution of 1-bromomethylpyrazole-3-carboxylate (100.0 mg, 0.429 mmol), Cs 2 CO 3 (153.8 mg, 0.472 mmol) was added, and the mixture was stirred at 80 ° C. for 19 hours. The reaction was stopped with water, extraction was performed with ethyl acetate, the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1), and the ester body 26 was 30.2 mg (27%) and the ester intermediate 22 (74.8 mg, 66%). Obtained.
エステル体26
1HNMR 600MHz in CDCl3 1.38(3H,t,J=6.6Hz),4.40(2H,q,J=6.6Hz),6.66(2H,s),6.83(1H,d,J=2.4Hz),7.84(1H,d,J=3.0Hz),8.01(1H,s),8.04(1H,s)
HR-ESI-MS:calcd C10H11N5O4Na[M+Na]+,
288.0704,found,288.0680 Ester body 26
1 1 HNMR 600MHz in CDCl 3 1.38 (3H, t, J = 6.6Hz), 4.40 (2H, q, J = 6.6Hz), 6.66 (2H, s), 6.83 (1H) , D, J = 2.4Hz), 7.84 (1H, d, J = 3.0Hz), 8.01 (1H, s), 8.04 (1H, s)
HR-ESI-MS: calcd C 10 H 11 N 5 O 4 Na [M + Na] + ,
288.0704, found, 288.0680
1HNMR 600MHz in CDCl3 1.38(3H,t,J=6.6Hz),4.40(2H,q,J=6.6Hz),6.66(2H,s),6.83(1H,d,J=2.4Hz),7.84(1H,d,J=3.0Hz),8.01(1H,s),8.04(1H,s)
HR-ESI-MS:calcd C10H11N5O4Na[M+Na]+,
288.0704,found,288.0680 Ester body 26
1 1 HNMR 600MHz in CDCl 3 1.38 (3H, t, J = 6.6Hz), 4.40 (2H, q, J = 6.6Hz), 6.66 (2H, s), 6.83 (1H) , D, J = 2.4Hz), 7.84 (1H, d, J = 3.0Hz), 8.01 (1H, s), 8.04 (1H, s)
HR-ESI-MS: calcd C 10 H 11 N 5 O 4 Na [M + Na] + ,
288.0704, found, 288.0680
カルボン酸中間体27
エステル体26(28.5mg,0.107mmol)のMeOH/水=3:1混合溶媒2.2mlに2M水酸化ナトリウム水溶液0.08mLを加えて、45℃で13.5時間攪拌した。濃塩酸でpH=5程度に酸性化し、酢酸エチルで抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を留去し、カルボン酸中間体27を(18.94mg)得た。
1HNMR 600MHz in MeOH-d4 6.75(2H,s),6.80(1H,d,J=1.8Hz),8.02(1H,s),8.04(1H,s),8.23(1H,s)
HR-ESI-MS:calcd C8H7N5NaO4[M+Na]+,260.0391,found,260.0373 Carboxylic acid intermediate 27
0.08 mL of a 2M aqueous sodium hydroxide solution was added to 2.2 ml of a MeOH / water = 3: 1 mixed solvent of ester 26 (28.5 mg, 0.107 mmol), and the mixture was stirred at 45 ° C. for 13.5 hours. It was acidified to pH = about 5 with concentrated hydrochloric acid and extracted with ethyl acetate. The organic layers were combined and dried over sodium sulfate. The solvent was distilled off to obtain (18.94 mg) the carboxylic acid intermediate 27.
1 1 HNMR 600MHz in MeOH-d 4 6.75 (2H, s), 6.80 (1H, d, J = 1.8Hz), 8.02 (1H, s), 8.04 (1H, s), 8.23 (1H, s)
HR-ESI-MS: calcd C 8 H 7 N 5 NaO 4 [M + Na] + , 260.03911, found, 260.0373
エステル体26(28.5mg,0.107mmol)のMeOH/水=3:1混合溶媒2.2mlに2M水酸化ナトリウム水溶液0.08mLを加えて、45℃で13.5時間攪拌した。濃塩酸でpH=5程度に酸性化し、酢酸エチルで抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を留去し、カルボン酸中間体27を(18.94mg)得た。
1HNMR 600MHz in MeOH-d4 6.75(2H,s),6.80(1H,d,J=1.8Hz),8.02(1H,s),8.04(1H,s),8.23(1H,s)
HR-ESI-MS:calcd C8H7N5NaO4[M+Na]+,260.0391,found,260.0373 Carboxylic acid intermediate 27
0.08 mL of a 2M aqueous sodium hydroxide solution was added to 2.2 ml of a MeOH / water = 3: 1 mixed solvent of ester 26 (28.5 mg, 0.107 mmol), and the mixture was stirred at 45 ° C. for 13.5 hours. It was acidified to pH = about 5 with concentrated hydrochloric acid and extracted with ethyl acetate. The organic layers were combined and dried over sodium sulfate. The solvent was distilled off to obtain (18.94 mg) the carboxylic acid intermediate 27.
1 1 HNMR 600MHz in MeOH-d 4 6.75 (2H, s), 6.80 (1H, d, J = 1.8Hz), 8.02 (1H, s), 8.04 (1H, s), 8.23 (1H, s)
HR-ESI-MS: calcd C 8 H 7 N 5 NaO 4 [M + Na] + , 260.03911, found, 260.0373
KUSC-5026
カルボン酸中間体27(18.49mg,0.0780mmol)のジクロロメタン溶液1.1mLにDIPEA(27μL,0.155mmol)、HATU(29.6mg,0.0778mmol)を加えて、室温で30分間攪拌した。4-トリフルオロメチルアニリン(11μL,0.0876mmol)を加えて、室温で20時間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を合わせて、飽和炭酸水素ナトリウム水溶液、飽和食塩水で順次洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=50:50)にて精製し、KUSC-5026(13.35mg,45%)を得た。
1HNMR 500MHz in Acetone-d6 6.84-6.85(3H,m),7.66(2H,d,J=8.5Hz),7.97(2H,d,J=8.5Hz),8.01(1H,s),8.10(1H,d,J=2.5Hz),8.22(1H,s),9.67(1H,br)
HR-ESI-MS:calcd C15H11F3N6NaO3[M+Na]+,
403.0737,found,403.0760
KUSC-5026
DIPEA (27 μL, 0.155 mmol) and HATU (29.6 mg, 0.0778 mmol) were added to 1.1 mL of a dichloromethane solution of carboxylic acid intermediate 27 (18.49 mg, 0.0780 mmol), and the mixture was stirred at room temperature for 30 minutes. .. 4-Trifluoromethylaniline (11 μL, 0.0876 mmol) was added, and the mixture was stirred at room temperature for 20 hours. The reaction was stopped with water and extracted with ethyl acetate. The organic layers were combined and washed sequentially with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 50: 50) to obtain KUSC-5026 (13.35 mg, 45%).
1 1 HNMR 500MHz in Acetone-d 6 6.84-6.85 (3H, m), 7.66 (2H, d, J = 8.5Hz), 7.97 (2H, d, J = 8.5Hz) , 8.01 (1H, s), 8.10 (1H, d, J = 2.5Hz), 8.22 (1H, s), 9.67 (1H, br)
HR-ESI-MS: calcd C 15 H 11 F 3 N 6 NaO 3 [M + Na] + ,
403.0737, found, 403.0760
カルボン酸中間体27(18.49mg,0.0780mmol)のジクロロメタン溶液1.1mLにDIPEA(27μL,0.155mmol)、HATU(29.6mg,0.0778mmol)を加えて、室温で30分間攪拌した。4-トリフルオロメチルアニリン(11μL,0.0876mmol)を加えて、室温で20時間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を合わせて、飽和炭酸水素ナトリウム水溶液、飽和食塩水で順次洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=50:50)にて精製し、KUSC-5026(13.35mg,45%)を得た。
1HNMR 500MHz in Acetone-d6 6.84-6.85(3H,m),7.66(2H,d,J=8.5Hz),7.97(2H,d,J=8.5Hz),8.01(1H,s),8.10(1H,d,J=2.5Hz),8.22(1H,s),9.67(1H,br)
HR-ESI-MS:calcd C15H11F3N6NaO3[M+Na]+,
403.0737,found,403.0760
DIPEA (27 μL, 0.155 mmol) and HATU (29.6 mg, 0.0778 mmol) were added to 1.1 mL of a dichloromethane solution of carboxylic acid intermediate 27 (18.49 mg, 0.0780 mmol), and the mixture was stirred at room temperature for 30 minutes. .. 4-Trifluoromethylaniline (11 μL, 0.0876 mmol) was added, and the mixture was stirred at room temperature for 20 hours. The reaction was stopped with water and extracted with ethyl acetate. The organic layers were combined and washed sequentially with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 50: 50) to obtain KUSC-5026 (13.35 mg, 45%).
1 1 HNMR 500MHz in Acetone-d 6 6.84-6.85 (3H, m), 7.66 (2H, d, J = 8.5Hz), 7.97 (2H, d, J = 8.5Hz) , 8.01 (1H, s), 8.10 (1H, d, J = 2.5Hz), 8.22 (1H, s), 9.67 (1H, br)
HR-ESI-MS: calcd C 15 H 11 F 3 N 6 NaO 3 [M + Na] + ,
403.0737, found, 403.0760
・KUSC-5030
エステル体28
4-ニトロピラゾール(50.0mg,0.442mmol)のDMF溶液0.98mLに4-ブロモメチル安息香酸メチル(111.4mg,0.486mmol),K2CO3(122.2mg,0.884mmol)を添加し、室温で5.7時間攪拌した。水で反応を停止させ、CHCl3で抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (Hexane/AcOEt=3:1)にて精製し 、エステル体28を(109.6mg,95%)得た。
1HNMRの値は、文献値と一致した。 ・ KUSC-5030
Ester body 28
Methyl 4-bromomethylbenzoate (111.4 mg, 0.486 mmol) and K2 CO 3 (122.2 mg, 0.884 mmol) were added to 0.98 mL of a DMF solution of 4 -nitropyrazole (50.0 mg, 0.442 mmol). It was added and stirred at room temperature for 5.7 hours. The reaction was stopped with water, extraction was performed with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO2 flash colorn chromatography (Hexane / AcOEt = 3: 1) to obtain an ester 28 (109.6 mg, 95%).
1 The 1 HNMR value was in agreement with the literature value.
エステル体28
4-ニトロピラゾール(50.0mg,0.442mmol)のDMF溶液0.98mLに4-ブロモメチル安息香酸メチル(111.4mg,0.486mmol),K2CO3(122.2mg,0.884mmol)を添加し、室温で5.7時間攪拌した。水で反応を停止させ、CHCl3で抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (Hexane/AcOEt=3:1)にて精製し 、エステル体28を(109.6mg,95%)得た。
1HNMRの値は、文献値と一致した。 ・ KUSC-5030
Ester body 28
Methyl 4-bromomethylbenzoate (111.4 mg, 0.486 mmol) and K2 CO 3 (122.2 mg, 0.884 mmol) were added to 0.98 mL of a DMF solution of 4 -nitropyrazole (50.0 mg, 0.442 mmol). It was added and stirred at room temperature for 5.7 hours. The reaction was stopped with water, extraction was performed with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO2 flash colorn chromatography (Hexane / AcOEt = 3: 1) to obtain an ester 28 (109.6 mg, 95%).
1 The 1 HNMR value was in agreement with the literature value.
カルボン酸中間体29
エステル中間体28(50.0mg,0.191mmol)のMeOH/水=3:1混合溶媒4mLに2M水酸化ナトリウム水溶液0.14mLを加えて、45℃で12.5時間攪拌した。濃塩酸でpH=3から4程度に酸性化し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を減圧留去し、カルボン酸中間体29を(45.48mg,96%)得た。
1HNMRの値は、文献値と一致した。 Carboxylic acid intermediate 29
To 4 mL of a MeOH / water = 3: 1 mixed solvent of ester intermediate 28 (50.0 mg, 0.191 mmol), 0.14 mL of a 2 M aqueous sodium hydroxide solution was added, and the mixture was stirred at 45 ° C. for 12.5 hours. It was acidified with concentrated hydrochloric acid to pH = 3 to about 4, and extracted with CHCl 3 . The organic layers were combined and dried over sodium sulfate. The solvent was distilled off under reduced pressure to obtain carboxylic acid intermediate 29 (45.48 mg, 96%).
1 The 1 HNMR value was in agreement with the literature value.
エステル中間体28(50.0mg,0.191mmol)のMeOH/水=3:1混合溶媒4mLに2M水酸化ナトリウム水溶液0.14mLを加えて、45℃で12.5時間攪拌した。濃塩酸でpH=3から4程度に酸性化し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を減圧留去し、カルボン酸中間体29を(45.48mg,96%)得た。
1HNMRの値は、文献値と一致した。 Carboxylic acid intermediate 29
To 4 mL of a MeOH / water = 3: 1 mixed solvent of ester intermediate 28 (50.0 mg, 0.191 mmol), 0.14 mL of a 2 M aqueous sodium hydroxide solution was added, and the mixture was stirred at 45 ° C. for 12.5 hours. It was acidified with concentrated hydrochloric acid to pH = 3 to about 4, and extracted with CHCl 3 . The organic layers were combined and dried over sodium sulfate. The solvent was distilled off under reduced pressure to obtain carboxylic acid intermediate 29 (45.48 mg, 96%).
1 The 1 HNMR value was in agreement with the literature value.
KUSC-5030
カルボン酸中間体29(15.0mg,0.0607mmol)のジクロロメタン溶液1.1mLにDIPEA(25μL,0.144mmol)、HATU(23.1mg,0.0608mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(11.5mg,0.0668mmol)を加えて、室温で15.8時間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を合わせて、1MHCl水溶液、飽和炭酸水素ナトリウム水溶液、飽和食塩水で順次洗浄した。硫酸ナトリウムで乾燥し、溶媒を留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=100:3)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5030(12.12mg,49%)を得た。
1HNMR 500MHz in DMSO-d6 5.50(2H,s),7.46(2H,d,J=8.0Hz),7.53(2H,d,J=9.0Hz),7.74(2H,d,J=8.5Hz),7.92(2H,d,J=8.0Hz)
HR-ESI-MS:calcd C17H13BrN4NaO3[M+Na]+,
423.0064,found,423.0192 KUSC-5030
DIPEA (25 μL, 0.144 mmol) and HATU (23.1 mg, 0.0608 mmol) were added to 1.1 mL of a dichloromethane solution of carboxylic acid intermediate 29 (15.0 mg, 0.0607 mmol), and the mixture was stirred at room temperature for 30 minutes. .. p-Bromoaniline (11.5 mg, 0.0668 mmol) was added, and the mixture was stirred at room temperature for 15.8 hours. The reaction was stopped with water and extracted with ethyl acetate. The organic layers were combined and washed sequentially with a 1M HCl aqueous solution, a saturated aqueous sodium hydrogen carbonate solution, and a saturated brine. It was dried over sodium sulfate and the solvent was distilled off. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 100: 3). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 60: 40) to obtain KUSC-5030 (12.12 mg, 49%).
1 1 HNMR 500MHz in DMSO-d 6 5.50 (2H, s), 7.46 (2H, d, J = 8.0Hz), 7.53 (2H, d, J = 9.0Hz), 7.74 (2H, d, J = 8.5Hz), 7.92 (2H, d, J = 8.0Hz)
HR-ESI-MS: calcd C 17 H 13 BrN 4 NaO 3 [M + Na] + ,
423.0064, found, 423.0192
カルボン酸中間体29(15.0mg,0.0607mmol)のジクロロメタン溶液1.1mLにDIPEA(25μL,0.144mmol)、HATU(23.1mg,0.0608mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(11.5mg,0.0668mmol)を加えて、室温で15.8時間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を合わせて、1MHCl水溶液、飽和炭酸水素ナトリウム水溶液、飽和食塩水で順次洗浄した。硫酸ナトリウムで乾燥し、溶媒を留去した。残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=100:3)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5030(12.12mg,49%)を得た。
1HNMR 500MHz in DMSO-d6 5.50(2H,s),7.46(2H,d,J=8.0Hz),7.53(2H,d,J=9.0Hz),7.74(2H,d,J=8.5Hz),7.92(2H,d,J=8.0Hz)
HR-ESI-MS:calcd C17H13BrN4NaO3[M+Na]+,
423.0064,found,423.0192 KUSC-5030
DIPEA (25 μL, 0.144 mmol) and HATU (23.1 mg, 0.0608 mmol) were added to 1.1 mL of a dichloromethane solution of carboxylic acid intermediate 29 (15.0 mg, 0.0607 mmol), and the mixture was stirred at room temperature for 30 minutes. .. p-Bromoaniline (11.5 mg, 0.0668 mmol) was added, and the mixture was stirred at room temperature for 15.8 hours. The reaction was stopped with water and extracted with ethyl acetate. The organic layers were combined and washed sequentially with a 1M HCl aqueous solution, a saturated aqueous sodium hydrogen carbonate solution, and a saturated brine. It was dried over sodium sulfate and the solvent was distilled off. The residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 100: 3). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 60: 40) to obtain KUSC-5030 (12.12 mg, 49%).
1 1 HNMR 500MHz in DMSO-d 6 5.50 (2H, s), 7.46 (2H, d, J = 8.0Hz), 7.53 (2H, d, J = 9.0Hz), 7.74 (2H, d, J = 8.5Hz), 7.92 (2H, d, J = 8.0Hz)
HR-ESI-MS: calcd C 17 H 13 BrN 4 NaO 3 [M + Na] + ,
423.0064, found, 423.0192
・KUSC-5041
KUSC-5030と同様の手法にて合成を行った。
1HNMR 500MHz in Acetone-d6 5.59(2H,s),7.53(2H,d,J=8.0Hz),7.70(2H,d,J=8.5Hz),8.01(2H,d,J=8.0Hz),8.06(2H,d,J=8.5Hz),8.17(1H,s),8.81(1H,s)
HR-ESI-MS:calcd C18H14F3N4O3[M+H]+,
391,0973,found,391.1031
・ KUSC-5041
The synthesis was performed by the same method as KUSC-5030.
1 1 HNMR 500MHz in Deuterated-d6 5.59 (2H, s), 7.53 (2H, d, J = 8.0Hz), 7.70 (2H, d, J = 8.5Hz), 8.01 ( 2H, d, J = 8.0Hz), 8.06 (2H, d, J = 8.5Hz), 8.17 (1H, s), 8.81 (1H, s)
HR-ESI-MS: calcd C 18 H 14 F 3 N 4 O 3 [M + H] + ,
391,0973, found, 391.1031
1HNMR 500MHz in Acetone-d6 5.59(2H,s),7.53(2H,d,J=8.0Hz),7.70(2H,d,J=8.5Hz),8.01(2H,d,J=8.0Hz),8.06(2H,d,J=8.5Hz),8.17(1H,s),8.81(1H,s)
HR-ESI-MS:calcd C18H14F3N4O3[M+H]+,
391,0973,found,391.1031
1 1 HNMR 500MHz in Deuterated-d6 5.59 (2H, s), 7.53 (2H, d, J = 8.0Hz), 7.70 (2H, d, J = 8.5Hz), 8.01 ( 2H, d, J = 8.0Hz), 8.06 (2H, d, J = 8.5Hz), 8.17 (1H, s), 8.81 (1H, s)
HR-ESI-MS: calcd C 18 H 14 F 3 N 4 O 3 [M + H] + ,
391,0973, found, 391.1031
KUSC-5031
エステル体30
4-ニトロ-1H-ピラゾール(50.0mg,0.442mmol)のDMF溶液0.98mLに1-ブロモメチル-3-安息香酸メチル(111.4mg,0.486mmol),K2CO3(122.2mg,0.884mmol)を添加し、室温で3.1時間攪拌した。水で反応を停止させ、CHCl3で抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (Hexane/AcOEt=3:1~2:1)にて精製し 、エステル体30を(116.7mg)得た。
1HNMRの値は、文献値と一致した。 KUSC-5031
Ester body 30
Methyl 1-bromomethyl-3-benzoate (111.4 mg, 0.486 mmol) in 0.98 mL of a DMF solution of 4-nitro-1H-pyrazol (50.0 mg, 0.442 mmol), K 2 CO 3 (122.2 mg) , 0.884 mmol) was added, and the mixture was stirred at room temperature for 3.1 hours. The reaction was stopped with water, extraction was performed with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 flash color n chromatography (Hexane / AcOEt = 3: 1 to 2: 1) to obtain an ester 30 (116.7 mg).
1 The 1 HNMR value was in agreement with the literature value.
エステル体30
4-ニトロ-1H-ピラゾール(50.0mg,0.442mmol)のDMF溶液0.98mLに1-ブロモメチル-3-安息香酸メチル(111.4mg,0.486mmol),K2CO3(122.2mg,0.884mmol)を添加し、室温で3.1時間攪拌した。水で反応を停止させ、CHCl3で抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (Hexane/AcOEt=3:1~2:1)にて精製し 、エステル体30を(116.7mg)得た。
1HNMRの値は、文献値と一致した。 KUSC-5031
Ester body 30
Methyl 1-bromomethyl-3-benzoate (111.4 mg, 0.486 mmol) in 0.98 mL of a DMF solution of 4-nitro-1H-pyrazol (50.0 mg, 0.442 mmol), K 2 CO 3 (122.2 mg) , 0.884 mmol) was added, and the mixture was stirred at room temperature for 3.1 hours. The reaction was stopped with water, extraction was performed with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 flash color n chromatography (Hexane / AcOEt = 3: 1 to 2: 1) to obtain an ester 30 (116.7 mg).
1 The 1 HNMR value was in agreement with the literature value.
カルボン酸中間体31
エステル体30(50.0mg,0.191mmol)のMeOH/水=3:1混合溶媒(4mL)に2M水酸化ナトリウム水溶液0.14mLを加えて、45℃で12.5時間攪拌した。濃塩酸でpH=3から4程度に酸性化し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を減圧留去し、カルボン酸中間体31(51.13mg)を得た。
1HNMRの値は、文献値と一致した。 Carboxylic acid intermediate 31
To a MeOH / water = 3: 1 mixed solvent (4 mL) of ester 30 (50.0 mg, 0.191 mmol) was added 0.14 mL of a 2 M sodium hydroxide aqueous solution, and the mixture was stirred at 45 ° C. for 12.5 hours. It was acidified with concentrated hydrochloric acid to pH = 3 to about 4, and extracted with CHCl 3 . The organic layers were combined and dried over sodium sulfate. The solvent was distilled off under reduced pressure to obtain a carboxylic acid intermediate 31 (51.13 mg).
1 The 1 HNMR value was in agreement with the literature value.
エステル体30(50.0mg,0.191mmol)のMeOH/水=3:1混合溶媒(4mL)に2M水酸化ナトリウム水溶液0.14mLを加えて、45℃で12.5時間攪拌した。濃塩酸でpH=3から4程度に酸性化し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥した。溶媒を減圧留去し、カルボン酸中間体31(51.13mg)を得た。
1HNMRの値は、文献値と一致した。 Carboxylic acid intermediate 31
To a MeOH / water = 3: 1 mixed solvent (4 mL) of ester 30 (50.0 mg, 0.191 mmol) was added 0.14 mL of a 2 M sodium hydroxide aqueous solution, and the mixture was stirred at 45 ° C. for 12.5 hours. It was acidified with concentrated hydrochloric acid to pH = 3 to about 4, and extracted with CHCl 3 . The organic layers were combined and dried over sodium sulfate. The solvent was distilled off under reduced pressure to obtain a carboxylic acid intermediate 31 (51.13 mg).
1 The 1 HNMR value was in agreement with the literature value.
KUSC-5031
カルボン酸中間体31(15.0mg,0.0607mmol)のCH2Cl2溶液1.1mLにDIPEA(21μL,0.120mmol)、HATU(23.1mg,0.0608mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(11.5mg,0.0668mmol)を加えて、室温で14.9時間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を合わせて、1MHCl水溶液、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=100:3)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5031(18.73mg,77%,3 steps)を得た。
1HNMR 500MHz in DMSO-d6 5.50(2H,s),7.53-55(4H,m),7.74(2H,d,J=8.5Hz),7.91(2H,s),8.30(1H,s),9.09(1H,s),10.40(1H,s)
HR-ESI-MS:calcd C17H14BrN4O3[M+H]+,
402.0151,found,402.0199 KUSC-5031
Add DIPEA (21 μL, 0.120 mmol) and HATU (23.1 mg, 0.0608 mmol) to 1.1 mL of CH 2 Cl 2 solution of carboxylic acid intermediate 31 (15.0 mg, 0.0607 mmol) and add 30 at room temperature. Stir for minutes. p-Bromoaniline (11.5 mg, 0.0668 mmol) was added, and the mixture was stirred at room temperature for 14.9 hours. The reaction was stopped with water and extracted with ethyl acetate. The organic layers were combined and washed with 1M HCl aqueous solution, saturated aqueous sodium hydrogen carbonate solution, and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified with SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 100: 3). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 60: 40), and KUSC-5031 (18.73 mg, 77%, 3 steps) was added. Obtained.
1 1 HNMR 500MHz in DMSO-d 6 5.50 (2H, s), 7.53-55 (4H, m), 7.74 (2H, d, J = 8.5Hz), 7.91 (2H, s) ), 8.30 (1H, s), 9.09 (1H, s), 10.40 (1H, s)
HR-ESI-MS: calcd C 17 H 14 BrN 4 O 3 [M + H] + ,
402.0151, found, 402.0199
カルボン酸中間体31(15.0mg,0.0607mmol)のCH2Cl2溶液1.1mLにDIPEA(21μL,0.120mmol)、HATU(23.1mg,0.0608mmol)を加えて、室温で30分間攪拌した。p-ブロモアニリン(11.5mg,0.0668mmol)を加えて、室温で14.9時間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を合わせて、1MHCl水溶液、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄した。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=100:3)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5031(18.73mg,77%,3 steps)を得た。
1HNMR 500MHz in DMSO-d6 5.50(2H,s),7.53-55(4H,m),7.74(2H,d,J=8.5Hz),7.91(2H,s),8.30(1H,s),9.09(1H,s),10.40(1H,s)
HR-ESI-MS:calcd C17H14BrN4O3[M+H]+,
402.0151,found,402.0199 KUSC-5031
Add DIPEA (21 μL, 0.120 mmol) and HATU (23.1 mg, 0.0608 mmol) to 1.1 mL of CH 2 Cl 2 solution of carboxylic acid intermediate 31 (15.0 mg, 0.0607 mmol) and add 30 at room temperature. Stir for minutes. p-Bromoaniline (11.5 mg, 0.0668 mmol) was added, and the mixture was stirred at room temperature for 14.9 hours. The reaction was stopped with water and extracted with ethyl acetate. The organic layers were combined and washed with 1M HCl aqueous solution, saturated aqueous sodium hydrogen carbonate solution, and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified with SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 100: 3). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 60: 40), and KUSC-5031 (18.73 mg, 77%, 3 steps) was added. Obtained.
1 1 HNMR 500MHz in DMSO-d 6 5.50 (2H, s), 7.53-55 (4H, m), 7.74 (2H, d, J = 8.5Hz), 7.91 (2H, s) ), 8.30 (1H, s), 9.09 (1H, s), 10.40 (1H, s)
HR-ESI-MS: calcd C 17 H 14 BrN 4 O 3 [M + H] + ,
402.0151, found, 402.0199
・KUSC-5042
KUSC-5031と同様の方法で合成を行った。
1HNMR 600MHz in Acetone-d6 5.57(2H,s),7.55(1H,t,J=7.2Hz),7.62(1H,d,J=8.4Hz),7.70(2H,d,J=8.4Hz),8.00(2H,d,J=7.2Hz),8.04-8.05(3H,m),8.16(1H,s),8.81(1H,s),9.93(1H,br)
HR-ESI-MS:calcd C18H14F3N4O3[M+H]+,
391.1013,found,391.1064 ・ KUSC-5042
The synthesis was carried out in the same manner as KUSC-5031.
1 1 HNMR 600MHz in Acetone-d 6 5.57 (2H, s), 7.55 (1H, t, J = 7.2Hz), 7.62 (1H, d, J = 8.4Hz), 7.70 (2H, d, J = 8.4Hz), 8.00 (2H, d, J = 7.2Hz), 8.04-8.05 (3H, m), 8.16 (1H, s), 8 .81 (1H, s), 9.93 (1H, br)
HR-ESI-MS: calcd C 18 H 14 F 3 N 4 O 3 [M + H] + ,
391.103, found, 391.1064
1HNMR 600MHz in Acetone-d6 5.57(2H,s),7.55(1H,t,J=7.2Hz),7.62(1H,d,J=8.4Hz),7.70(2H,d,J=8.4Hz),8.00(2H,d,J=7.2Hz),8.04-8.05(3H,m),8.16(1H,s),8.81(1H,s),9.93(1H,br)
HR-ESI-MS:calcd C18H14F3N4O3[M+H]+,
391.1013,found,391.1064 ・ KUSC-5042
1 1 HNMR 600MHz in Acetone-d 6 5.57 (2H, s), 7.55 (1H, t, J = 7.2Hz), 7.62 (1H, d, J = 8.4Hz), 7.70 (2H, d, J = 8.4Hz), 8.00 (2H, d, J = 7.2Hz), 8.04-8.05 (3H, m), 8.16 (1H, s), 8 .81 (1H, s), 9.93 (1H, br)
HR-ESI-MS: calcd C 18 H 14 F 3 N 4 O 3 [M + H] + ,
391.103, found, 391.1064
・エステル体32
エステル体6(150mg,0.566mmol)のMeOH(0.72mL)とTHF(0.72mL)の混合溶液に(Boc)2O(0.13mL,0.566mmol)と10%Pd/C(39.5mg)を加えて、水素雰囲気下、10時間反応させた。セライトでろ過し、溶媒を減圧留去した。残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)で精製した。エステル体32(164mg,87%)を得た。
1HNMR 500MHz in CDCl3 1.38(3H,t,J=7.0Hz),1.47(9H,s),4.39(2H,q,J=7.0Hz),6.27(2H,s),6.38(1H,s),6.79(1H,d,J=2.0Hz),7.48(1H,s),7.61(1H,d,J=1.5Hz),7.84(1H,s)
HR-ESI-MS:calcd C15H21N5NaO4[M+Na]+,
358.0813,found,358.1487 -Ester body 32
In a mixed solution of ester 6 (150 mg, 0.566 mmol) of MeOH (0.72 mL) and THF (0.72 mL), (Boc) 2 O (0.13 mL, 0.566 mmol) and 10% Pd / C (39). .5 mg) was added, and the mixture was reacted for 10 hours under a hydrogen atmosphere. The mixture was filtered through cerite and the solvent was distilled off under reduced pressure. The residue was purified with SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1). Ester 32 (164 mg, 87%) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.38 (3H, t, J = 7.0Hz), 1.47 (9H, s), 4.39 (2H, q, J = 7.0Hz), 6.27 (2H) , S), 6.38 (1H, s), 6.79 (1H, d, J = 2.0Hz), 7.48 (1H, s), 7.61 (1H, d, J = 1.5Hz) ), 7.84 (1H, s)
HR-ESI-MS: calcd C 15 H 21 N 5 NaO 4 [M + Na] + ,
358.083, found, 358.1487
エステル体6(150mg,0.566mmol)のMeOH(0.72mL)とTHF(0.72mL)の混合溶液に(Boc)2O(0.13mL,0.566mmol)と10%Pd/C(39.5mg)を加えて、水素雰囲気下、10時間反応させた。セライトでろ過し、溶媒を減圧留去した。残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)で精製した。エステル体32(164mg,87%)を得た。
1HNMR 500MHz in CDCl3 1.38(3H,t,J=7.0Hz),1.47(9H,s),4.39(2H,q,J=7.0Hz),6.27(2H,s),6.38(1H,s),6.79(1H,d,J=2.0Hz),7.48(1H,s),7.61(1H,d,J=1.5Hz),7.84(1H,s)
HR-ESI-MS:calcd C15H21N5NaO4[M+Na]+,
358.0813,found,358.1487 -Ester body 32
In a mixed solution of ester 6 (150 mg, 0.566 mmol) of MeOH (0.72 mL) and THF (0.72 mL), (Boc) 2 O (0.13 mL, 0.566 mmol) and 10% Pd / C (39). .5 mg) was added, and the mixture was reacted for 10 hours under a hydrogen atmosphere. The mixture was filtered through cerite and the solvent was distilled off under reduced pressure. The residue was purified with SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1). Ester 32 (164 mg, 87%) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.38 (3H, t, J = 7.0Hz), 1.47 (9H, s), 4.39 (2H, q, J = 7.0Hz), 6.27 (2H) , S), 6.38 (1H, s), 6.79 (1H, d, J = 2.0Hz), 7.48 (1H, s), 7.61 (1H, d, J = 1.5Hz) ), 7.84 (1H, s)
HR-ESI-MS: calcd C 15 H 21 N 5 NaO 4 [M + Na] + ,
358.083, found, 358.1487
・カルボン酸中間体33
エステル体32(50mg,0.149mmol)のMeOH/水=3:1混合溶媒(4mL)に2MNaOH溶液(0.45mL,0.900mmol)を加えて、80℃で14時間加熱還流した。濃塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を留去した。N-Bocカルボン酸中間体33(51.05mg,quant)を得た。
1HNMR 500MHz in CDCl3 1.46(9H,s),6.38(2H,s),6.51(1H,br),6.84(1H,d,J=1.5Hz),7.54(1H,s),7.73(1H,s),7.89(1H,s)
HR-ESI-MS:calcd C13H18N5O4 [M+H]+,
308.1353,found,308.1328 -Carboxylic acid intermediate 33
A 2M NaOH solution (0.45 mL, 0.900 mmol) was added to a MeOH / water = 3: 1 mixed solvent (4 mL) of the ester 32 (50 mg, 0.149 mmol), and the mixture was heated under reflux at 80 ° C. for 14 hours. The reaction was stopped with concentrated hydrochloric acid, and extraction was performed with CHCl 3 at pH = 2. It was dried over sodium sulfate and the solvent was distilled off. N-Boc Carboxylic Acid Intermediate 33 (51.05 mg, quant) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.46 (9H, s), 6.38 (2H, s), 6.51 (1H, br), 6.84 (1H, d, J = 1.5Hz), 7. 54 (1H, s), 7.73 (1H, s), 7.89 (1H, s)
HR-ESI-MS: calcd C 13 H 18 N 5 O 4 [M + H] + ,
308.1353, found, 308.1328
エステル体32(50mg,0.149mmol)のMeOH/水=3:1混合溶媒(4mL)に2MNaOH溶液(0.45mL,0.900mmol)を加えて、80℃で14時間加熱還流した。濃塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を留去した。N-Bocカルボン酸中間体33(51.05mg,quant)を得た。
1HNMR 500MHz in CDCl3 1.46(9H,s),6.38(2H,s),6.51(1H,br),6.84(1H,d,J=1.5Hz),7.54(1H,s),7.73(1H,s),7.89(1H,s)
HR-ESI-MS:calcd C13H18N5O4 [M+H]+,
308.1353,found,308.1328 -Carboxylic acid intermediate 33
A 2M NaOH solution (0.45 mL, 0.900 mmol) was added to a MeOH / water = 3: 1 mixed solvent (4 mL) of the ester 32 (50 mg, 0.149 mmol), and the mixture was heated under reflux at 80 ° C. for 14 hours. The reaction was stopped with concentrated hydrochloric acid, and extraction was performed with CHCl 3 at pH = 2. It was dried over sodium sulfate and the solvent was distilled off. N-Boc Carboxylic Acid Intermediate 33 (51.05 mg, quant) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.46 (9H, s), 6.38 (2H, s), 6.51 (1H, br), 6.84 (1H, d, J = 1.5Hz), 7. 54 (1H, s), 7.73 (1H, s), 7.89 (1H, s)
HR-ESI-MS: calcd C 13 H 18 N 5 O 4 [M + H] + ,
308.1353, found, 308.1328
・アミド体34
カルボン酸中間体33(51.05mg,0.149mmol)のCH2Cl2溶液(2.0mL)にDIPEA(52μL,0.299mmol),HATU(56.7mg,0.149mmol)を加えて窒素雰囲気下室温で30分攪拌した。p-ブロモアニリン(28.2mg,0.164mmol)を加えて、室温で29.9時間攪拌した。水とCHCl3を加えて2層に分け、CHCl3で抽出を行った。飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2 flash colum n chromatography(CHCl3/MeOH=20:1)で精製した。アミド体34(60.02mg,87%,2 steps)を得た。
1HNMR 500MHz in DMSO-d6 1.43(9H,s),6.42(2H,s),6.82(1H,d,J=2.0Hz),7.38(1H,s),7.50(2H,d,J=9.0Hz),7.78(2H,d,J=8.5Hz),7.97(1H,s),8.08(1H,d,J=2.5Hz),9.27(1H,s),10.28(1H,s)
HR-ESI-MS:calcd C19H21BrN6NaO3 [M+Na]+,485.0751,found,485.0727 -Amid body 34
Add DIPEA (52 μL, 0.299 mmol) and HATU (56.7 mg, 0.149 mmol) to CH 2 Cl 2 solution (2.0 mL) of carboxylic acid intermediate 33 (51.05 mg, 0.149 mmol) to create a nitrogen atmosphere. The mixture was stirred at room temperature for 30 minutes. p-Bromoaniline (28.2 mg, 0.164 mmol) was added, and the mixture was stirred at room temperature for 29.9 hours. Water and CHCl 3 were added, and the mixture was divided into two layers, and extraction was performed with CHCl 3 . It was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1). The amide compound 34 (60.02 mg, 87%, 2 steps) was obtained.
1 1 HNMR 500MHz in DMSO-d 6 1.43 (9H, s), 6.42 (2H, s), 6.82 (1H, d, J = 2.0Hz), 7.38 (1H, s), 7.50 (2H, d, J = 9.0Hz), 7.78 (2H, d, J = 8.5Hz), 7.97 (1H, s), 8.08 (1H, d, J = 2) .5Hz), 9.27 (1H, s), 10.28 (1H, s)
HR-ESI-MS: calcd C 19 H 21 BrN 6 NaO 3 [M + Na] + , 485.0751, found, 485.0727
カルボン酸中間体33(51.05mg,0.149mmol)のCH2Cl2溶液(2.0mL)にDIPEA(52μL,0.299mmol),HATU(56.7mg,0.149mmol)を加えて窒素雰囲気下室温で30分攪拌した。p-ブロモアニリン(28.2mg,0.164mmol)を加えて、室温で29.9時間攪拌した。水とCHCl3を加えて2層に分け、CHCl3で抽出を行った。飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2 flash colum n chromatography(CHCl3/MeOH=20:1)で精製した。アミド体34(60.02mg,87%,2 steps)を得た。
1HNMR 500MHz in DMSO-d6 1.43(9H,s),6.42(2H,s),6.82(1H,d,J=2.0Hz),7.38(1H,s),7.50(2H,d,J=9.0Hz),7.78(2H,d,J=8.5Hz),7.97(1H,s),8.08(1H,d,J=2.5Hz),9.27(1H,s),10.28(1H,s)
HR-ESI-MS:calcd C19H21BrN6NaO3 [M+Na]+,485.0751,found,485.0727 -Amid body 34
Add DIPEA (52 μL, 0.299 mmol) and HATU (56.7 mg, 0.149 mmol) to CH 2 Cl 2 solution (2.0 mL) of carboxylic acid intermediate 33 (51.05 mg, 0.149 mmol) to create a nitrogen atmosphere. The mixture was stirred at room temperature for 30 minutes. p-Bromoaniline (28.2 mg, 0.164 mmol) was added, and the mixture was stirred at room temperature for 29.9 hours. Water and CHCl 3 were added, and the mixture was divided into two layers, and extraction was performed with CHCl 3 . It was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1). The amide compound 34 (60.02 mg, 87%, 2 steps) was obtained.
1 1 HNMR 500MHz in DMSO-d 6 1.43 (9H, s), 6.42 (2H, s), 6.82 (1H, d, J = 2.0Hz), 7.38 (1H, s), 7.50 (2H, d, J = 9.0Hz), 7.78 (2H, d, J = 8.5Hz), 7.97 (1H, s), 8.08 (1H, d, J = 2) .5Hz), 9.27 (1H, s), 10.28 (1H, s)
HR-ESI-MS: calcd C 19 H 21 BrN 6 NaO 3 [M + Na] + , 485.0751, found, 485.0727
・KUSC-5017
アミド体34(24.08mg,0.0522mmol)の4MHCl in 1,4-dioxane溶液(0.52mL)を窒素雰囲気下、室温で2.7時間攪拌した。溶媒を減圧留去し、KUSC-5017(15.06mg,73%)を得た。
1HNMR 500MHz in DMSO-d6 6.55(2H,s),6.87(1H,d,J=2.5Hz),7.50(2H,d,J=8.5Hz),7.65(1H,s),7.78(2H,d,J=8.5Hz),8.17(1H,d,J=2.5Hz),8.29(1H,s),10.29(2H,br)
HR-ESI-MS:calcd C14H13BrN6NaO [M+Na]+,383.0226,found,383.0175 ・ KUSC-5017
A 4MHCl in 1,4-dioxane solution (0.52 mL) of amide 34 (24.08 mg, 0.0522 mmol) was stirred at room temperature for 2.7 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure to obtain KUSC-5017 (15.06 mg, 73%).
1 1 HNMR 500MHz in DMSO-d 6 6.55 (2H, s), 6.87 (1H, d, J = 2.5Hz), 7.50 (2H, d, J = 8.5Hz), 7.65 (1H, s), 7.78 (2H, d, J = 8.5Hz), 8.17 (1H, d, J = 2.5Hz), 8.29 (1H, s), 10.29 (2H) , Br)
HR-ESI-MS: calcd C 14 H 13 BrN 6 NaO [M + Na] + , 383.0226, found, 383.0175
アミド体34(24.08mg,0.0522mmol)の4MHCl in 1,4-dioxane溶液(0.52mL)を窒素雰囲気下、室温で2.7時間攪拌した。溶媒を減圧留去し、KUSC-5017(15.06mg,73%)を得た。
1HNMR 500MHz in DMSO-d6 6.55(2H,s),6.87(1H,d,J=2.5Hz),7.50(2H,d,J=8.5Hz),7.65(1H,s),7.78(2H,d,J=8.5Hz),8.17(1H,d,J=2.5Hz),8.29(1H,s),10.29(2H,br)
HR-ESI-MS:calcd C14H13BrN6NaO [M+Na]+,383.0226,found,383.0175 ・ KUSC-5017
A 4MHCl in 1,4-dioxane solution (0.52 mL) of amide 34 (24.08 mg, 0.0522 mmol) was stirred at room temperature for 2.7 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure to obtain KUSC-5017 (15.06 mg, 73%).
1 1 HNMR 500MHz in DMSO-d 6 6.55 (2H, s), 6.87 (1H, d, J = 2.5Hz), 7.50 (2H, d, J = 8.5Hz), 7.65 (1H, s), 7.78 (2H, d, J = 8.5Hz), 8.17 (1H, d, J = 2.5Hz), 8.29 (1H, s), 10.29 (2H) , Br)
HR-ESI-MS: calcd C 14 H 13 BrN 6 NaO [M + Na] + , 383.0226, found, 383.0175
・KUSC-5025
KUSC-5017(15.06mg,0.0379mmol)のジクロロメタン溶液(0.38mL)にトリエチルアミン(13.2μL,0.0950mmol)を加えて、30分間反応させた。塩化アセチル(12μL,0.169mmol)を加えて、室温で19.6時間反応させた。MeOHで反応を停止し、水と酢酸エチルを加えて、2層に分けた。酢酸エチルで抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。分取TLC(CHCl3/MeOH=20:1)で精製し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=40:60)にて精製し,KUSC-5025(17.71mg,75%)を得た。
1HNMR 500MHz in MeOH-d4 6.42(2H,s),6.83(2H,d,J=1.5Hz),7.48(2H,d,J=4.0Hz),7.55(1H,s),7.68(2H,d,J=4.0Hz),7.93(1H,d,J=2.0Hz)8.24(1H,s)
HR-ESI-MS:calcd C16H15BrN6NaO2 [M+Na]+,425.0333,found,425.0314
・ KUSC-5025
Triethylamine (13.2 μL, 0.0950 mmol) was added to a dichloromethane solution (0.38 mL) of KUSC-5017 (15.06 mg, 0.0379 mmol), and the mixture was reacted for 30 minutes. Acetyl chloride (12 μL, 0.169 mmol) was added and reacted at room temperature for 19.6 hours. The reaction was stopped with MeOH, water and ethyl acetate were added, and the mixture was divided into two layers. It was extracted with ethyl acetate and washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Purify by preparative TLC (CHCl 3 / MeOH = 20: 1), and then purify the obtained residue by HPLC (cosmosil MSII, φ20 × 250 mm, chloroform: CH 3 CN / H 2 O = 40: 60). Then, KUSC-5025 (17.71 mg, 75%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 6.42 (2H, s), 6.83 (2H, d, J = 1.5Hz), 7.48 (2H, d, J = 4.0Hz), 7.55 (1H, s), 7.68 (2H, d, J = 4.0Hz), 7.93 (1H, d, J = 2.0Hz) 8.24 (1H, s)
HR-ESI-MS: calcd C 16 H 15 BrN 6 NaO 2 [M + Na] + , 425.0333, found, 425.0314
KUSC-5017(15.06mg,0.0379mmol)のジクロロメタン溶液(0.38mL)にトリエチルアミン(13.2μL,0.0950mmol)を加えて、30分間反応させた。塩化アセチル(12μL,0.169mmol)を加えて、室温で19.6時間反応させた。MeOHで反応を停止し、水と酢酸エチルを加えて、2層に分けた。酢酸エチルで抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。分取TLC(CHCl3/MeOH=20:1)で精製し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=40:60)にて精製し,KUSC-5025(17.71mg,75%)を得た。
1HNMR 500MHz in MeOH-d4 6.42(2H,s),6.83(2H,d,J=1.5Hz),7.48(2H,d,J=4.0Hz),7.55(1H,s),7.68(2H,d,J=4.0Hz),7.93(1H,d,J=2.0Hz)8.24(1H,s)
HR-ESI-MS:calcd C16H15BrN6NaO2 [M+Na]+,425.0333,found,425.0314
Triethylamine (13.2 μL, 0.0950 mmol) was added to a dichloromethane solution (0.38 mL) of KUSC-5017 (15.06 mg, 0.0379 mmol), and the mixture was reacted for 30 minutes. Acetyl chloride (12 μL, 0.169 mmol) was added and reacted at room temperature for 19.6 hours. The reaction was stopped with MeOH, water and ethyl acetate were added, and the mixture was divided into two layers. It was extracted with ethyl acetate and washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Purify by preparative TLC (CHCl 3 / MeOH = 20: 1), and then purify the obtained residue by HPLC (cosmosil MSII, φ20 × 250 mm, chloroform: CH 3 CN / H 2 O = 40: 60). Then, KUSC-5025 (17.71 mg, 75%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 6.42 (2H, s), 6.83 (2H, d, J = 1.5Hz), 7.48 (2H, d, J = 4.0Hz), 7.55 (1H, s), 7.68 (2H, d, J = 4.0Hz), 7.93 (1H, d, J = 2.0Hz) 8.24 (1H, s)
HR-ESI-MS: calcd C 16 H 15 BrN 6 NaO 2 [M + Na] + , 425.0333, found, 425.0314
・アミド体37
カルボン酸中間体33(31.75mg,0.103mmol)のCH2Cl2溶液(1.4mL)にDIPEA(36μL,0.207mmol),HATU(39.3mg,0.103mmol)を加えて、窒素雰囲気下、30分攪拌した。4-トリフルオロメチルアニリン(14μL,0.111mmol)を加えて室温で18時間攪拌した。水で反応を停止し、CHCl3で抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を留去し、残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。アミド体37(34.73mg,75%)を得た。
1HNMR 500MHz in CDCl3 1.48(9H,s),6.23(2H,s),6.45(1H,s),6.91(1H,d,J=2.5Hz),7.40(1H,s),7.61(2H,d,J=9.0Hz),7.66(1H,d,J=2.0Hz),7.83(2H,d,J=8.5Hz),7.99(1H,s),8.83(1H,s)
HR-ESI-MS:calcd C20H21F3N6NaO3 [M+Na]+,473.1520,found,473.1473 -Amid body 37
Add DIPEA (36 μL, 0.207 mmol) and HATU (39.3 mg, 0.103 mmol) to a CH 2 Cl 2 solution (1.4 mL) of carboxylic acid intermediate 33 (31.75 mg, 0.103 mmol) to add nitrogen. The mixture was stirred for 30 minutes under the atmosphere. 4-Trifluoromethylaniline (14 μL, 0.111 mmol) was added, and the mixture was stirred at room temperature for 18 hours. The reaction was stopped with water and extraction was performed with CHCl 3 . The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off and the residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). The amide 37 (34.73 mg, 75%) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.48 (9H, s), 6.23 (2H, s), 6.45 (1H, s), 6.91 (1H, d, J = 2.5Hz), 7. 40 (1H, s), 7.61 (2H, d, J = 9.0Hz), 7.66 (1H, d, J = 2.0Hz), 7.83 (2H, d, J = 8.5Hz) ), 7.99 (1H, s), 8.83 (1H, s)
HR-ESI-MS: calcd C 20 H 21 F 3 N 6 NaO 3 [M + Na] + , 473.1520, found, 473.1473
カルボン酸中間体33(31.75mg,0.103mmol)のCH2Cl2溶液(1.4mL)にDIPEA(36μL,0.207mmol),HATU(39.3mg,0.103mmol)を加えて、窒素雰囲気下、30分攪拌した。4-トリフルオロメチルアニリン(14μL,0.111mmol)を加えて室温で18時間攪拌した。水で反応を停止し、CHCl3で抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を留去し、残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=20:1)で精製した。アミド体37(34.73mg,75%)を得た。
1HNMR 500MHz in CDCl3 1.48(9H,s),6.23(2H,s),6.45(1H,s),6.91(1H,d,J=2.5Hz),7.40(1H,s),7.61(2H,d,J=9.0Hz),7.66(1H,d,J=2.0Hz),7.83(2H,d,J=8.5Hz),7.99(1H,s),8.83(1H,s)
HR-ESI-MS:calcd C20H21F3N6NaO3 [M+Na]+,473.1520,found,473.1473 -Amid body 37
Add DIPEA (36 μL, 0.207 mmol) and HATU (39.3 mg, 0.103 mmol) to a CH 2 Cl 2 solution (1.4 mL) of carboxylic acid intermediate 33 (31.75 mg, 0.103 mmol) to add nitrogen. The mixture was stirred for 30 minutes under the atmosphere. 4-Trifluoromethylaniline (14 μL, 0.111 mmol) was added, and the mixture was stirred at room temperature for 18 hours. The reaction was stopped with water and extraction was performed with CHCl 3 . The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off and the residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 20: 1). The amide 37 (34.73 mg, 75%) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.48 (9H, s), 6.23 (2H, s), 6.45 (1H, s), 6.91 (1H, d, J = 2.5Hz), 7. 40 (1H, s), 7.61 (2H, d, J = 9.0Hz), 7.66 (1H, d, J = 2.0Hz), 7.83 (2H, d, J = 8.5Hz) ), 7.99 (1H, s), 8.83 (1H, s)
HR-ESI-MS: calcd C 20 H 21 F 3 N 6 NaO 3 [M + Na] + , 473.1520, found, 473.1473
・KUSC-5035
アミド体37(14.71mg,0.0327mmol)の4MHCl in 1,4-dioxane溶液(0.33mL)を窒素雰囲気下、室温で2.5時間攪拌した。溶媒を減圧留去し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=30:70,0.01%TFA)にて精製し、KUSC-5035(8.60mg,68%)を得た。
1HNMR 500MHz in MeOH-d4 6.53(2H,s),6.89(2H,d,J=2.5Hz),7.66(2H,d,J=8.5Hz),7.68(1H,s),7.94(2H,d,J=8.5Hz),7.99(1H,d,J=2.0Hz),8.19(1H,s)
HR-ESI-MS:calcd C15H13F3N6NaO [M+Na]+,373.0996,found,373.1019 ・ KUSC-5035
A 4MHCl in 1,4-dioxane solution (0.33 mL) of amide 37 (14.71 mg, 0.0327 mmol) was stirred at room temperature for 2.5 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure, and then the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, elient: CH 3 CN / H 2 O = 30: 70, 0.01% TFA), and KUSC- 5035 (8.60 mg, 68%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 6.53 (2H, s), 6.89 (2H, d, J = 2.5Hz), 7.66 (2H, d, J = 8.5Hz), 7.68 (1H, s), 7.94 (2H, d, J = 8.5Hz), 7.99 (1H, d, J = 2.0Hz), 8.19 (1H, s)
HR-ESI-MS: calcd C 15 H 13 F 3 N 6 NaO [M + Na] + , 373.096, found, 373.1019
アミド体37(14.71mg,0.0327mmol)の4MHCl in 1,4-dioxane溶液(0.33mL)を窒素雰囲気下、室温で2.5時間攪拌した。溶媒を減圧留去し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=30:70,0.01%TFA)にて精製し、KUSC-5035(8.60mg,68%)を得た。
1HNMR 500MHz in MeOH-d4 6.53(2H,s),6.89(2H,d,J=2.5Hz),7.66(2H,d,J=8.5Hz),7.68(1H,s),7.94(2H,d,J=8.5Hz),7.99(1H,d,J=2.0Hz),8.19(1H,s)
HR-ESI-MS:calcd C15H13F3N6NaO [M+Na]+,373.0996,found,373.1019 ・ KUSC-5035
A 4MHCl in 1,4-dioxane solution (0.33 mL) of amide 37 (14.71 mg, 0.0327 mmol) was stirred at room temperature for 2.5 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure, and then the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, elient: CH 3 CN / H 2 O = 30: 70, 0.01% TFA), and KUSC- 5035 (8.60 mg, 68%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 6.53 (2H, s), 6.89 (2H, d, J = 2.5Hz), 7.66 (2H, d, J = 8.5Hz), 7.68 (1H, s), 7.94 (2H, d, J = 8.5Hz), 7.99 (1H, d, J = 2.0Hz), 8.19 (1H, s)
HR-ESI-MS: calcd C 15 H 13 F 3 N 6 NaO [M + Na] + , 373.096, found, 373.1019
・KUSC-5036
KUSC-5035(4.22mg,0.0109mmol)のジクロロメタン溶液(0.11mL)にトリエチルアミン(3.8μL,0.0273mmol)を加えて、30分間反応させた。塩化アセチル(1.7μL,0.0239mmol)を加えて、室温で17時間反応させた。水で反応を停止し、酢酸エチルで抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。分取TLC(CHCl3/MeOH=20:1)で精製し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5036(2.55mg,60%)を得た。
1HNMR 500MHz in MeOH-d4 2.07(3H,s),6.44(2H,s),6.86(1H,d,J=2.0Hz),7.56(1H,s),7.65(2H,d,J=8.5Hz),7.94-96(3H,m),8.25(1H,s)
HR-ESI-MS:calcd C17H15F3N6NaO2 [M+Na]+,415.1101,found,415.1113 ・ KUSC-5036
Triethylamine (3.8 μL, 0.0273 mmol) was added to a dichloromethane solution (0.11 mL) of KUSC-5035 (4.22 mg, 0.0109 mmol), and the mixture was reacted for 30 minutes. Acetyl chloride (1.7 μL, 0.0239 mmol) was added and the reaction was carried out at room temperature for 17 hours. The reaction was stopped with water, extracted with ethyl acetate, and washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Purification is performed by preparative TLC (CHCl 3 / MeOH = 20: 1), and then the obtained residue is purified by HPLC (cosmosil MSII, φ20 × 250 mm, chloroform: CH 3 CN / H 2 O = 60: 40). Then, KUSC-5036 (2.55 mg, 60%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 2.07 (3H, s), 6.44 (2H, s), 6.86 (1H, d, J = 2.0Hz), 7.56 (1H, s), 7.65 (2H, d, J = 8.5Hz), 7.94-96 (3H, m), 8.25 (1H, s)
HR-ESI-MS: calcd C 17 H 15 F 3 N 6 NaO 2 [M + Na] + , 415.1101, found, 415.1113
1HNMR 500MHz in MeOH-d4 2.07(3H,s),6.44(2H,s),6.86(1H,d,J=2.0Hz),7.56(1H,s),7.65(2H,d,J=8.5Hz),7.94-96(3H,m),8.25(1H,s)
HR-ESI-MS:calcd C17H15F3N6NaO2 [M+Na]+,415.1101,found,415.1113 ・ KUSC-5036
1 1 HNMR 500MHz in MeOH-d 4 2.07 (3H, s), 6.44 (2H, s), 6.86 (1H, d, J = 2.0Hz), 7.56 (1H, s), 7.65 (2H, d, J = 8.5Hz), 7.94-96 (3H, m), 8.25 (1H, s)
HR-ESI-MS: calcd C 17 H 15 F 3 N 6 NaO 2 [M + Na] + , 415.1101, found, 415.1113
・KUSC-5037
KUSC-5036と同様の手法で合成を行った。
1HNMR 500MHz in MeOH-d4 1.18(3H,t,J=7.5Hz),2.34(2H,q,J=7.5Hz),6.44(2H,s),6.86(1H,d,J=3.0Hz),7.57(1H,s),7.65(1H,d,J=3.5Hz),7.94-96(3H,m),8.26(1H,s)
HR-ESI-MS:calcd C18H17F3N6NaO2[M+Na]+,
429.1258,found,429.1263 ・ KUSC-5037
The synthesis was performed in the same manner as KUSC-5036.
1 1 HNMR 500MHz in MeOH-d 4 1.18 (3H, t, J = 7.5Hz), 2.34 (2H, q, J = 7.5Hz), 6.44 (2H, s), 6.86 (1H, d, J = 3.0Hz), 7.57 (1H, s), 7.65 (1H, d, J = 3.5Hz), 7.94-96 (3H, m), 8.26 (1H, s)
HR-ESI-MS: calcd C 18 H 17 F 3 N 6 NaO 2 [M + Na] + ,
429.1258, found, 429.1263
1HNMR 500MHz in MeOH-d4 1.18(3H,t,J=7.5Hz),2.34(2H,q,J=7.5Hz),6.44(2H,s),6.86(1H,d,J=3.0Hz),7.57(1H,s),7.65(1H,d,J=3.5Hz),7.94-96(3H,m),8.26(1H,s)
HR-ESI-MS:calcd C18H17F3N6NaO2[M+Na]+,
429.1258,found,429.1263 ・ KUSC-5037
1 1 HNMR 500MHz in MeOH-d 4 1.18 (3H, t, J = 7.5Hz), 2.34 (2H, q, J = 7.5Hz), 6.44 (2H, s), 6.86 (1H, d, J = 3.0Hz), 7.57 (1H, s), 7.65 (1H, d, J = 3.5Hz), 7.94-96 (3H, m), 8.26 (1H, s)
HR-ESI-MS: calcd C 18 H 17 F 3 N 6 NaO 2 [M + Na] + ,
429.1258, found, 429.1263
・KUSC-5038
KUSC-5036と同様の手法で合成を行った。
1HNMR 500MHz in MeOH-d4 0.96(3H,t,J=8.0Hz), 1.68(2H,sextet, J=7.5Hz), 2.29(2H,t,J=7.5Hz),6.43(2H,s),6.86(1H,d,J=3.0Hz),7.57(1H,s),7.64(2H,d,J=9.0Hz),7.93(2H,d,J=8.5Hz),7.94(1H,d,J=2.5Hz),8.26(1H,s)
HR-ESI-MS:calcd C19H19F3N6NaO2 [M+Na]+,443.1414,found,443.1433 ・ KUSC-5038
The synthesis was performed by the same method as KUSC-5036.
1 1 HNMR 500MHz in MeOH-d 4 0.96 (3H, t, J = 8.0Hz), 1.68 (2H, sextet, J = 7.5Hz), 2.29 (2H, t, J = 7. 5Hz), 6.43 (2H, s), 6.86 (1H, d, J = 3.0Hz), 7.57 (1H, s), 7.64 (2H, d, J = 9.0Hz) , 7.93 (2H, d, J = 8.5Hz), 7.94 (1H, d, J = 2.5Hz), 8.26 (1H, s)
HR-ESI-MS: calcd C 19 H 19 F 3 N 6 NaO 2 [M + Na] + , 443.1414, found, 443.1433
1HNMR 500MHz in MeOH-d4 0.96(3H,t,J=8.0Hz), 1.68(2H,sextet, J=7.5Hz), 2.29(2H,t,J=7.5Hz),6.43(2H,s),6.86(1H,d,J=3.0Hz),7.57(1H,s),7.64(2H,d,J=9.0Hz),7.93(2H,d,J=8.5Hz),7.94(1H,d,J=2.5Hz),8.26(1H,s)
HR-ESI-MS:calcd C19H19F3N6NaO2 [M+Na]+,443.1414,found,443.1433 ・ KUSC-5038
1 1 HNMR 500MHz in MeOH-d 4 0.96 (3H, t, J = 8.0Hz), 1.68 (2H, sextet, J = 7.5Hz), 2.29 (2H, t, J = 7. 5Hz), 6.43 (2H, s), 6.86 (1H, d, J = 3.0Hz), 7.57 (1H, s), 7.64 (2H, d, J = 9.0Hz) , 7.93 (2H, d, J = 8.5Hz), 7.94 (1H, d, J = 2.5Hz), 8.26 (1H, s)
HR-ESI-MS: calcd C 19 H 19 F 3 N 6 NaO 2 [M + Na] + , 443.1414, found, 443.1433
・KUSC-5039
KUSC-5036と同様の手法で合成を行った。
1HNMR 600MHz in DMSO-d6 3.56(2H,s),6.46(2H,s),6.85(1H,d,J=2.4Hz),7.22-7.24(1H,m),7.28-7.31(4H,m),7.52(1H,s),7.69(2H,d,J=8.4Hz),8.03(2H,d,J=7.8Hz),8.09(1H,d,J=2.4Hz),8.23(1H,s)
HR-ESI-MS:calcd C23H19F3N6O2Na[M+Na]+,
491.1414,found,491.1423 ・ KUSC-5039
The synthesis was performed in the same manner as KUSC-5036.
1 1 HNMR 600MHz in DMSO-d 6 3.56 (2H, s), 6.46 (2H, s), 6.85 (1H, d, J = 2.4Hz), 7.22-7.24 (1H) , M), 7.28-7.31 (4H, m), 7.52 (1H, s), 7.69 (2H, d, J = 8.4Hz), 8.03 (2H, d, J) = 7.8Hz), 8.09 (1H, d, J = 2.4Hz), 8.23 (1H, s)
HR-ESI-MS: calcd C 23 H 19 F 3 N 6 O 2 Na [M + Na] + ,
491.1414, found, 491.1423
1HNMR 600MHz in DMSO-d6 3.56(2H,s),6.46(2H,s),6.85(1H,d,J=2.4Hz),7.22-7.24(1H,m),7.28-7.31(4H,m),7.52(1H,s),7.69(2H,d,J=8.4Hz),8.03(2H,d,J=7.8Hz),8.09(1H,d,J=2.4Hz),8.23(1H,s)
HR-ESI-MS:calcd C23H19F3N6O2Na[M+Na]+,
491.1414,found,491.1423 ・ KUSC-5039
1 1 HNMR 600MHz in DMSO-d 6 3.56 (2H, s), 6.46 (2H, s), 6.85 (1H, d, J = 2.4Hz), 7.22-7.24 (1H) , M), 7.28-7.31 (4H, m), 7.52 (1H, s), 7.69 (2H, d, J = 8.4Hz), 8.03 (2H, d, J) = 7.8Hz), 8.09 (1H, d, J = 2.4Hz), 8.23 (1H, s)
HR-ESI-MS: calcd C 23 H 19 F 3 N 6 O 2 Na [M + Na] + ,
491.1414, found, 491.1423
・KUSC-5040
KUSC-5036と同様の手法で合成を行った。
1HNMR 500MHz in MeOH-d4 1.17(6H,d,J=7.0Hz),2.56(1H,septet,J=7.0Hz),6.44(2H,s),6.86(1H,d,J=2.0Hz),7.59(1H,s),7.65(2H,d,J=8.5Hz),7.94-96(3H,m),8.25(1H,s)
HR-ESI-MS:calcd C19H19F3N6NaO2[M+Na]+,
443.1414,found,443.1434 ・ KUSC-5040
The synthesis was performed in the same manner as KUSC-5036.
1 1 HNMR 500MHz in MeOH-d 4 1.17 (6H, d, J = 7.0Hz), 2.56 (1H, septet, J = 7.0Hz), 6.44 (2H, s), 6.86 (1H, d, J = 2.0Hz), 7.59 (1H, s), 7.65 (2H, d, J = 8.5Hz), 7.94-96 (3H, m), 8.25 (1H, s)
HR-ESI-MS: calcd C 19 H 19 F 3 N 6 NaO 2 [M + Na] + ,
443.1414, found, 443.1.1434
1HNMR 500MHz in MeOH-d4 1.17(6H,d,J=7.0Hz),2.56(1H,septet,J=7.0Hz),6.44(2H,s),6.86(1H,d,J=2.0Hz),7.59(1H,s),7.65(2H,d,J=8.5Hz),7.94-96(3H,m),8.25(1H,s)
HR-ESI-MS:calcd C19H19F3N6NaO2[M+Na]+,
443.1414,found,443.1434 ・ KUSC-5040
1 1 HNMR 500MHz in MeOH-d 4 1.17 (6H, d, J = 7.0Hz), 2.56 (1H, septet, J = 7.0Hz), 6.44 (2H, s), 6.86 (1H, d, J = 2.0Hz), 7.59 (1H, s), 7.65 (2H, d, J = 8.5Hz), 7.94-96 (3H, m), 8.25 (1H, s)
HR-ESI-MS: calcd C 19 H 19 F 3 N 6 NaO 2 [M + Na] + ,
443.1414, found, 443.1.1434
・KUSC-5050
KUSC-5036と同様の手法で合成を行った。
1HNMR 500MHz in MeOH-d4 1.29(3H,t,J=7.5Hz),3.01(2H,q,J=7.5Hz),6.44(2H,s),6.87(1H,d,J=3.0Hz),7.50(1H,s),7.65(2H,d,J=8.5Hz),7.94-96(4H,m)
HR-ESI-MS:calcd C17H18F3N6O3S[M+H]+,
443.1108,found,443.1139
・ KUSC-5050
The synthesis was performed in the same manner as KUSC-5036.
1 1 HNMR 500MHz in MeOH-d 4 1.29 (3H, t, J = 7.5Hz), 3.01 (2H, q, J = 7.5Hz), 6.44 (2H, s), 6.87 (1H, d, J = 3.0Hz), 7.50 (1H, s), 7.65 (2H, d, J = 8.5Hz), 7.94-96 (4H, m)
HR-ESI-MS: calcd C 17 H 18 F 3 N 6 O 3 S [M + H] + ,
443.1108, found, 443.1139
1HNMR 500MHz in MeOH-d4 1.29(3H,t,J=7.5Hz),3.01(2H,q,J=7.5Hz),6.44(2H,s),6.87(1H,d,J=3.0Hz),7.50(1H,s),7.65(2H,d,J=8.5Hz),7.94-96(4H,m)
HR-ESI-MS:calcd C17H18F3N6O3S[M+H]+,
443.1108,found,443.1139
1 1 HNMR 500MHz in MeOH-d 4 1.29 (3H, t, J = 7.5Hz), 3.01 (2H, q, J = 7.5Hz), 6.44 (2H, s), 6.87 (1H, d, J = 3.0Hz), 7.50 (1H, s), 7.65 (2H, d, J = 8.5Hz), 7.94-96 (4H, m)
HR-ESI-MS: calcd C 17 H 18 F 3 N 6 O 3 S [M + H] + ,
443.1108, found, 443.1139
・KUSC-5044
・アミド体38
N-Bocカルボン酸33(30.78mg,0.100mmol)のCH2Cl2溶液(1.35mL)にDIPEA(35μL,0.201mmol),HATU(38.1mg,0.100mmol)を加えて、窒素雰囲気下、30分攪拌した。4-トリフルオロメトキシアニリン(15μL,0.112mmol)を加えて室温で12時間攪拌した。水で反応を停止し、CHCl3で抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2 flash colum n chromatography(CHCl3/MeOH=20:1)で精製した。アミド体38(39.10mg)を得た
1HNMR 600MHz in Acetone-d6 6.43(2H,s),6.83(1H,d,J=1.8Hz),7.31(2H,d,J=8.4Hz),7.47(1H,s),7.97-8.01(4H,m),9.66(1H,br)
HR-ESI-MS:calcd C20H21F3N6NaO4 [M+Na]+,489.1469,found,489.1447 ・ KUSC-5044
-Amid body 38
DIPEA (35 μL, 0.201 mmol) and HATU (38.1 mg, 0.100 mmol) were added to a CH 2 Cl 2 solution (1.35 mL) of N-Boc carboxylic acid 33 (30.78 mg, 0.100 mmol). The mixture was stirred for 30 minutes under a nitrogen atmosphere. 4-Trifluoromethoxyaniline (15 μL, 0.112 mmol) was added, and the mixture was stirred at room temperature for 12 hours. The reaction was stopped with water and extraction was performed with CHCl 3 . The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1). Amide 38 (39.10 mg) was obtained.
1 1 HNMR 600MHz in Acetone-d 6 6.43 (2H, s), 6.83 (1H, d, J = 1.8Hz), 7.31 (2H, d, J = 8.4Hz), 7.47 (1H, s), 7.97-8.01 (4H, m), 9.66 (1H, br)
HR-ESI-MS: calcd C 20 H 21 F 3 N 6 NaO 4 [M + Na] + , 489.1469, found, 489.1474
・アミド体38
N-Bocカルボン酸33(30.78mg,0.100mmol)のCH2Cl2溶液(1.35mL)にDIPEA(35μL,0.201mmol),HATU(38.1mg,0.100mmol)を加えて、窒素雰囲気下、30分攪拌した。4-トリフルオロメトキシアニリン(15μL,0.112mmol)を加えて室温で12時間攪拌した。水で反応を停止し、CHCl3で抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2 flash colum n chromatography(CHCl3/MeOH=20:1)で精製した。アミド体38(39.10mg)を得た
1HNMR 600MHz in Acetone-d6 6.43(2H,s),6.83(1H,d,J=1.8Hz),7.31(2H,d,J=8.4Hz),7.47(1H,s),7.97-8.01(4H,m),9.66(1H,br)
HR-ESI-MS:calcd C20H21F3N6NaO4 [M+Na]+,489.1469,found,489.1447 ・ KUSC-5044
-Amid body 38
DIPEA (35 μL, 0.201 mmol) and HATU (38.1 mg, 0.100 mmol) were added to a CH 2 Cl 2 solution (1.35 mL) of N-Boc carboxylic acid 33 (30.78 mg, 0.100 mmol). The mixture was stirred for 30 minutes under a nitrogen atmosphere. 4-Trifluoromethoxyaniline (15 μL, 0.112 mmol) was added, and the mixture was stirred at room temperature for 12 hours. The reaction was stopped with water and extraction was performed with CHCl 3 . The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1). Amide 38 (39.10 mg) was obtained.
1 1 HNMR 600MHz in Acetone-d 6 6.43 (2H, s), 6.83 (1H, d, J = 1.8Hz), 7.31 (2H, d, J = 8.4Hz), 7.47 (1H, s), 7.97-8.01 (4H, m), 9.66 (1H, br)
HR-ESI-MS: calcd C 20 H 21 F 3 N 6 NaO 4 [M + Na] + , 489.1469, found, 489.1474
・アミン塩酸塩39
アミド体38(39.10mg,0.0838mmol)の4MHCl in 1,4-dioxane溶液(0.84mL)を窒素雰囲気下、室温で3時間攪拌した。溶媒を減圧留去した。アミン塩酸塩39(34.64mg,86%,2 steps)を得た。
1HNMR 500MHz in DMSO-d6 6.55(2H,s),6.88(1H,d,J=2.0Hz),7.34(2H,d,J=9.0Hz),7.65(1H,s),7.91(2H,d,J=9.0Hz),8.16(1H,d,J=2.0Hz),8.27(1H,s),10.20(2H,br),10.38(1H,s)
HR-ESI-MS:calcd C15H13F3N6NaO2 [M-HCl+Na]+,
389.0945,found,389.0899 -Amine hydrochloride 39
A 4MHCl in 1,4-dioxane solution (0.84 mL) of amide 38 (39.10 mg, 0.0838 mmol) was stirred at room temperature for 3 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure. Amine hydrochloride 39 (34.64 mg, 86%, 2 steps) was obtained.
1 1 HNMR 500MHz in DMSO-d 6 6.55 (2H, s), 6.88 (1H, d, J = 2.0Hz), 7.34 (2H, d, J = 9.0Hz), 7.65 (1H, s), 7.91 (2H, d, J = 9.0Hz), 8.16 (1H, d, J = 2.0Hz), 8.27 (1H, s), 10.20 (2H) , Br), 10.38 (1H, s)
HR-ESI-MS: calcd C 15 H 13 F 3 N 6 NaO 2 [M-HCl + Na] + ,
389.0945, found, 389.0899
アミド体38(39.10mg,0.0838mmol)の4MHCl in 1,4-dioxane溶液(0.84mL)を窒素雰囲気下、室温で3時間攪拌した。溶媒を減圧留去した。アミン塩酸塩39(34.64mg,86%,2 steps)を得た。
1HNMR 500MHz in DMSO-d6 6.55(2H,s),6.88(1H,d,J=2.0Hz),7.34(2H,d,J=9.0Hz),7.65(1H,s),7.91(2H,d,J=9.0Hz),8.16(1H,d,J=2.0Hz),8.27(1H,s),10.20(2H,br),10.38(1H,s)
HR-ESI-MS:calcd C15H13F3N6NaO2 [M-HCl+Na]+,
389.0945,found,389.0899 -Amine hydrochloride 39
A 4MHCl in 1,4-dioxane solution (0.84 mL) of amide 38 (39.10 mg, 0.0838 mmol) was stirred at room temperature for 3 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure. Amine hydrochloride 39 (34.64 mg, 86%, 2 steps) was obtained.
1 1 HNMR 500MHz in DMSO-d 6 6.55 (2H, s), 6.88 (1H, d, J = 2.0Hz), 7.34 (2H, d, J = 9.0Hz), 7.65 (1H, s), 7.91 (2H, d, J = 9.0Hz), 8.16 (1H, d, J = 2.0Hz), 8.27 (1H, s), 10.20 (2H) , Br), 10.38 (1H, s)
HR-ESI-MS: calcd C 15 H 13 F 3 N 6 NaO 2 [M-HCl + Na] + ,
389.0945, found, 389.0899
・KUSC-5044
アミン塩酸塩37(23.03mg,0.0572mmol)のジクロロメタン溶液(0.57mL)にトリエチルアミン(9.9μL,0.0712mmol)を加えて、30分間反応させた。塩化プロピオニル(5.5μL,0.0630mmol)を加えて、室温で23時間反応させた。水で反応を停止し、酢酸エチルで抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2 flash colum n chromatography(CHCl3/MeOH=20:1)で精製し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=50:50)にて精製し、KUSC-5044(8.25mg,34%)を得た。
1HNMR 500MHz in MeOH-d4 1.18(3H,t,J=7.5Hz),2.34(2H,q,J=7.5Hz),6.43(2H,s),6.84(1H,d,J=2.5Hz),7.26(2H,d,J=9.0Hz),7.57(1H,s),7.83(2H,d,J=9.5Hz),7.93(1H,d,J=3.0Hz),8.25(1H,s)
HR-ESI-MS:calcd C18H18F3N6O3[M+H]+,
423.1387,found,423.1391
・ KUSC-5044
Triethylamine (9.9 μL, 0.0712 mmol) was added to a dichloromethane solution (0.57 mL) of amine hydrochloride 37 (23.03 mg, 0.0572 mmol), and the mixture was reacted for 30 minutes. Propionyl chloride (5.5 μL, 0.0630 mmol) was added and reacted at room temperature for 23 hours. The reaction was stopped with water, extracted with ethyl acetate, and washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1), and then the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 50: 50). ) To obtain KUSC-5044 (8.25 mg, 34%).
1 1 HNMR 500MHz in MeOH-d 4 1.18 (3H, t, J = 7.5Hz), 2.34 (2H, q, J = 7.5Hz), 6.43 (2H, s), 6.84 (1H, d, J = 2.5Hz), 7.26 (2H, d, J = 9.0Hz), 7.57 (1H, s), 7.83 (2H, d, J = 9.5Hz) , 7.93 (1H, d, J = 3.0Hz), 8.25 (1H, s)
HR-ESI-MS: calcd C 18 H 18 F 3 N 6 O 3 [M + H] + ,
423.1387, found, 423.1391
1HNMR 500MHz in MeOH-d4 1.18(3H,t,J=7.5Hz),2.34(2H,q,J=7.5Hz),6.43(2H,s),6.84(1H,d,J=2.5Hz),7.26(2H,d,J=9.0Hz),7.57(1H,s),7.83(2H,d,J=9.5Hz),7.93(1H,d,J=3.0Hz),8.25(1H,s)
HR-ESI-MS:calcd C18H18F3N6O3[M+H]+,
423.1387,found,423.1391
1 1 HNMR 500MHz in MeOH-d 4 1.18 (3H, t, J = 7.5Hz), 2.34 (2H, q, J = 7.5Hz), 6.43 (2H, s), 6.84 (1H, d, J = 2.5Hz), 7.26 (2H, d, J = 9.0Hz), 7.57 (1H, s), 7.83 (2H, d, J = 9.5Hz) , 7.93 (1H, d, J = 3.0Hz), 8.25 (1H, s)
HR-ESI-MS: calcd C 18 H 18 F 3 N 6 O 3 [M + H] + ,
423.1387, found, 423.1391
・エステル体40
4-ニトロピロール(30mg,0.268mmol)のDMF溶液(1.5ml)に1-(ブロモメチル)ピラゾールー3-カルボン酸エチル(68.6mg,0.294mmol),K2CO3(74.0mg,0.535mmol)を添加し、室温で23時間攪拌した。水で反応を停止させ、CHCl3で抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=100:3)にて精製し 、エステル体40を(55.72mg,79%)得た。
1HNMR 500MHz in CDCl3 1.38(3H,t,J=7.0Hz),4.39(2H,q,J=7.0Hz),6.18(2H,s),6.71(1H,dd,J=2.0Hz),6.82(1H,t,J=2.5Hz),6.85(1H,d,J=2.0Hz),7.64(1H,d,J=2.5Hz),7.74(1H,s)
HR-ESI-MS:calcd C11H12N4NaO4 [M+Na]+,
287.0751,found,287.0774 -Ester body 40
1- (bromomethyl) pyrazole-3-carboxylate ethyl (68.6 mg, 0.294 mmol), K2 CO 3 (74.0 mg,) in a DMF solution (1.5 ml) of 4-nitropyrrole (30 mg, 0.268 mmol). 0.535 mmol) was added, and the mixture was stirred at room temperature for 23 hours. The reaction was stopped with water, extraction was performed with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 100: 3) to obtain an ester 40 (55.72 mg, 79%).
1 1 HNMR 500MHz in CDCl 3 1.38 (3H, t, J = 7.0Hz), 4.39 (2H, q, J = 7.0Hz), 6.18 (2H, s), 6.71 (1H) , Dd, J = 2.0Hz), 6.82 (1H, t, J = 2.5Hz), 6.85 (1H, d, J = 2.0Hz), 7.64 (1H, d, J =) 2.5Hz), 7.74 (1H, s)
HR-ESI-MS: calcd C 11 H 12 N 4 NaO 4 [M + Na] + ,
287.0751, found, 287.0774
1HNMR 500MHz in CDCl3 1.38(3H,t,J=7.0Hz),4.39(2H,q,J=7.0Hz),6.18(2H,s),6.71(1H,dd,J=2.0Hz),6.82(1H,t,J=2.5Hz),6.85(1H,d,J=2.0Hz),7.64(1H,d,J=2.5Hz),7.74(1H,s)
HR-ESI-MS:calcd C11H12N4NaO4 [M+Na]+,
287.0751,found,287.0774 -Ester body 40
1 1 HNMR 500MHz in CDCl 3 1.38 (3H, t, J = 7.0Hz), 4.39 (2H, q, J = 7.0Hz), 6.18 (2H, s), 6.71 (1H) , Dd, J = 2.0Hz), 6.82 (1H, t, J = 2.5Hz), 6.85 (1H, d, J = 2.0Hz), 7.64 (1H, d, J =) 2.5Hz), 7.74 (1H, s)
HR-ESI-MS: calcd C 11 H 12 N 4 NaO 4 [M + Na] + ,
287.0751, found, 287.0774
・カルボン酸中間体41
エステル体40(20mg,0.0757mmol)のMeOH/水=3:1混合溶媒(1.6mL)に2M水酸化ナトリウム水溶液(57μL,0.114mmol)を加えて、45℃で13時間反応させた。濃塩酸で反応を停止し、pH=3から4として酢酸エチルで抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体41(17.58mg,98%)を得た。
1HNMR 600MHz in DMSO-d6 6.39(2H,s),6.71(1H,d,J=3.0Hz),6.75(1H,d,J=2.0Hz),7.15(1H,t,J=2.5Hz),8.17(1H,d,J=2.0Hz),8.20(1H,t,J=2.0Hz)
HR-ESI-MS:calcd C9H8N4NaO4[M+Na]+,
259.0438,found,259.0437 -Carboxylic acid intermediate 41
A 2M aqueous sodium hydroxide solution (57 μL, 0.114 mmol) was added to a MeOH / water = 3: 1 mixed solvent (1.6 mL) of the ester 40 (20 mg, 0.0757 mmol), and the mixture was reacted at 45 ° C. for 13 hours. .. The reaction was stopped with concentrated hydrochloric acid, and extraction was performed with ethyl acetate at pH = 3 to 4. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 41 (17.58 mg, 98%) was obtained.
1 1 HNMR 600MHz in DMSO-d 6 6.39 (2H, s), 6.71 (1H, d, J = 3.0Hz), 6.75 (1H, d, J = 2.0Hz), 7.15 (1H, t, J = 2.5Hz), 8.17 (1H, d, J = 2.0Hz), 8.20 (1H, t, J = 2.0Hz)
HR-ESI-MS: calcd C 9 H 8 N 4 NaO 4 [M + Na] + ,
259.0438, found, 259.0437
1HNMR 600MHz in DMSO-d6 6.39(2H,s),6.71(1H,d,J=3.0Hz),6.75(1H,d,J=2.0Hz),7.15(1H,t,J=2.5Hz),8.17(1H,d,J=2.0Hz),8.20(1H,t,J=2.0Hz)
HR-ESI-MS:calcd C9H8N4NaO4[M+Na]+,
259.0438,found,259.0437 -Carboxylic acid intermediate 41
1 1 HNMR 600MHz in DMSO-d 6 6.39 (2H, s), 6.71 (1H, d, J = 3.0Hz), 6.75 (1H, d, J = 2.0Hz), 7.15 (1H, t, J = 2.5Hz), 8.17 (1H, d, J = 2.0Hz), 8.20 (1H, t, J = 2.0Hz)
HR-ESI-MS: calcd C 9 H 8 N 4 NaO 4 [M + Na] + ,
259.0438, found, 259.0437
・KUSC-5029
カルボン酸中間体41(17.8mg,0.074mmol)のCH2Cl2溶液(1.0mL)にDIPEA(26.0μL,0.015mmol),HATU(28.3mg,0.074mmol)を添加し、室温で30分攪拌した。p-ブロモアニリン(14.1mg,0.082mmol)を添加し、室温で14時間反応させた。水で反応を停止し、CHCl3で抽出した。有機層を合わせて、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2 flash colum n chromatography(CHCl3/MeOH=20:1)で精製し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5029(20.2mg,69%)を得た。
1HNMR500MHz in Acetone-d6 6.49(2H,s),6.70(1H,s),6.86(1H,d,J=2.5Hz),7.15(1H,s),7.50(2H,d,J=9.0Hz),7.78(2H,d,J=8.5Hz),8.06(1H,s), 8.15(1H,s),9.57(1H,s)
HR-ESI-MS:calcd C15H12BrN5O3Na[M+Na]+,
412.0016,found,412.0037
・ KUSC-5029
DIPEA (26.0 μL, 0.015 mmol) and HATU (28.3 mg, 0.074 mmol) were added to CH 2 Cl 2 solution (1.0 mL) of carboxylic acid intermediate 41 (17.8 mg, 0.074 mmol). , Stirred at room temperature for 30 minutes. p-Bromoaniline (14.1 mg, 0.082 mmol) was added and reacted at room temperature for 14 hours. The reaction was stopped with water and extracted with CHCl3. The organic layers were combined and washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1), and then the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 60 :. Purification with 40) gave KUSC-5029 (20.2 mg, 69%).
1 HNMR500MHz in Acetone-d 6 6.49 (2H, s), 6.70 (1H, s), 6.86 (1H, d, J = 2.5Hz), 7.15 (1H, s), 7 .50 (2H, d, J = 9.0Hz), 7.78 (2H, d, J = 8.5Hz), 8.06 (1H, s), 8.15 (1H, s), 9.57 (1H, s)
HR-ESI-MS: calcd C 15 H 12 BrN 5 O 3 Na [M + Na] + ,
421.016, found, 412.0037
1HNMR500MHz in Acetone-d6 6.49(2H,s),6.70(1H,s),6.86(1H,d,J=2.5Hz),7.15(1H,s),7.50(2H,d,J=9.0Hz),7.78(2H,d,J=8.5Hz),8.06(1H,s), 8.15(1H,s),9.57(1H,s)
HR-ESI-MS:calcd C15H12BrN5O3Na[M+Na]+,
412.0016,found,412.0037
1 HNMR500MHz in Acetone-d 6 6.49 (2H, s), 6.70 (1H, s), 6.86 (1H, d, J = 2.5Hz), 7.15 (1H, s), 7 .50 (2H, d, J = 9.0Hz), 7.78 (2H, d, J = 8.5Hz), 8.06 (1H, s), 8.15 (1H, s), 9.57 (1H, s)
HR-ESI-MS: calcd C 15 H 12 BrN 5 O 3 Na [M + Na] + ,
421.016, found, 412.0037
・エステル体42
エステル体40(30mg,0.114mmol)のMeOH(0.25mL)とTHF(0.25mL)の混合溶液に(Boc)2O(29μL,0.126mmol)と5%Pd/C(15.8mg)を加えて、水素雰囲気下、5.3時間反応させた。セライトでろ過し、溶媒を減圧留去した。残渣をSiO2 flash colum n chromatography(CHCl3/MeOH=100:3)で精製した。エステル体42(27.93mg,74%)を得た。
1HNMR 500MHz in CDCl3 1.39(3H,t,J=7.5Hz),1.47(9H,s),4.40(2H,q,J=7.5Hz),5.96(1H,d,J=3.0Hz),6.03(2H,s),6.29(1H,br),6.69(1H,d,J=2.5Hz),6.79(1H,d,J=1.5Hz),7.08(1H,br),7.39(1H,d,J=2.5Hz)
HR-ESI-MS:calcd C16H23N4O4[M+H]+,
335.1714,found,335.1717 -Ester body 42
In a mixed solution of ester 40 (30 mg, 0.114 mmol) of MeOH (0.25 mL) and THF (0.25 mL), (Boc) 2 O (29 μL, 0.126 mmol) and 5% Pd / C (15.8 mg). ) Was added, and the mixture was reacted for 5.3 hours under a hydrogen atmosphere. The mixture was filtered through cerite and the solvent was distilled off under reduced pressure. The residue was purified with SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 100: 3). Ester 42 (27.93 mg, 74%) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.39 (3H, t, J = 7.5Hz), 1.47 (9H, s), 4.40 (2H, q, J = 7.5Hz), 5.96 (1H) , D, J = 3.0Hz), 6.03 (2H, s), 6.29 (1H, br), 6.69 (1H, d, J = 2.5Hz), 6.79 (1H, d) , J = 1.5Hz), 7.08 (1H, br), 7.39 (1H, d, J = 2.5Hz)
HR-ESI-MS: calcd C 16 H 23 N 4 O 4 [M + H] + ,
335.1714, found, 335.1717
エステル体40(30mg,0.114mmol)のMeOH(0.25mL)とTHF(0.25mL)の混合溶液に(Boc)2O(29μL,0.126mmol)と5%Pd/C(15.8mg)を加えて、水素雰囲気下、5.3時間反応させた。セライトでろ過し、溶媒を減圧留去した。残渣をSiO2 flash colum n chromatography(CHCl3/MeOH=100:3)で精製した。エステル体42(27.93mg,74%)を得た。
1HNMR 500MHz in CDCl3 1.39(3H,t,J=7.5Hz),1.47(9H,s),4.40(2H,q,J=7.5Hz),5.96(1H,d,J=3.0Hz),6.03(2H,s),6.29(1H,br),6.69(1H,d,J=2.5Hz),6.79(1H,d,J=1.5Hz),7.08(1H,br),7.39(1H,d,J=2.5Hz)
HR-ESI-MS:calcd C16H23N4O4[M+H]+,
335.1714,found,335.1717 -Ester body 42
In a mixed solution of ester 40 (30 mg, 0.114 mmol) of MeOH (0.25 mL) and THF (0.25 mL), (Boc) 2 O (29 μL, 0.126 mmol) and 5% Pd / C (15.8 mg). ) Was added, and the mixture was reacted for 5.3 hours under a hydrogen atmosphere. The mixture was filtered through cerite and the solvent was distilled off under reduced pressure. The residue was purified with SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 100: 3). Ester 42 (27.93 mg, 74%) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.39 (3H, t, J = 7.5Hz), 1.47 (9H, s), 4.40 (2H, q, J = 7.5Hz), 5.96 (1H) , D, J = 3.0Hz), 6.03 (2H, s), 6.29 (1H, br), 6.69 (1H, d, J = 2.5Hz), 6.79 (1H, d) , J = 1.5Hz), 7.08 (1H, br), 7.39 (1H, d, J = 2.5Hz)
HR-ESI-MS: calcd C 16 H 23 N 4 O 4 [M + H] + ,
335.1714, found, 335.1717
・カルボン酸中間体43
エステル体42(12.57mg,0.0376mmol)のMeOH/水=3:1混合溶媒(0.96mL)に2M水酸化ナトリウム水溶液(28μL,0.056mmol)を加えて、45℃で15時間反応させた。1M塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体43(11.05mg,96%)を得た。
1HNMR 500MHz in MeOH-d4 1.47(9H,s),5.98(1H,s),6.12(2H,s),6.78(2H,m),6.99(1H,br),7.79(1H,d,J=2.0Hz)
HR-ESI-MS:calcd C14H18N4NaO4[M+Na]+,
329.1221,found,329.1194 -Carboxylic acid intermediate 43
A 2M aqueous sodium hydroxide solution (28 μL, 0.056 mmol) was added to a MeOH / water = 3: 1 mixed solvent (0.96 mL) of the ester 42 (12.57 mg, 0.0376 mmol), and the reaction was carried out at 45 ° C. for 15 hours. I let you. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with CHCl 3 at pH = 2. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 43 (11.05 mg, 96%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 1.47 (9H, s), 5.98 (1H, s), 6.12 (2H, s), 6.78 (2H, m), 6.99 (1H, br), 7.79 (1H, d, J = 2.0Hz)
HR-ESI-MS: calcd C 14 H 18 N 4 NaO 4 [M + Na] + ,
329.1221, found, 329.1194
エステル体42(12.57mg,0.0376mmol)のMeOH/水=3:1混合溶媒(0.96mL)に2M水酸化ナトリウム水溶液(28μL,0.056mmol)を加えて、45℃で15時間反応させた。1M塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体43(11.05mg,96%)を得た。
1HNMR 500MHz in MeOH-d4 1.47(9H,s),5.98(1H,s),6.12(2H,s),6.78(2H,m),6.99(1H,br),7.79(1H,d,J=2.0Hz)
HR-ESI-MS:calcd C14H18N4NaO4[M+Na]+,
329.1221,found,329.1194 -Carboxylic acid intermediate 43
A 2M aqueous sodium hydroxide solution (28 μL, 0.056 mmol) was added to a MeOH / water = 3: 1 mixed solvent (0.96 mL) of the ester 42 (12.57 mg, 0.0376 mmol), and the reaction was carried out at 45 ° C. for 15 hours. I let you. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with CHCl 3 at pH = 2. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 43 (11.05 mg, 96%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 1.47 (9H, s), 5.98 (1H, s), 6.12 (2H, s), 6.78 (2H, m), 6.99 (1H, br), 7.79 (1H, d, J = 2.0Hz)
HR-ESI-MS: calcd C 14 H 18 N 4 NaO 4 [M + Na] + ,
329.1221, found, 329.1194
・アミド体44
カルボン酸中間体43(11.05mg,0.0361mmol)のジクロロメタン溶液(0.49mL)にDIPEA(12.6μL,0.0723mmol),HATU(13.7mg,0.0360mmol)を加えて、窒素雰囲気下、30分攪拌した。4-トリフルオロメチルアニリン(5.0μL,0.0398mmol)を加えて室温で14時間攪拌した。水で反応を停止し、CHCl3で抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣を分取TLC(Hexane/AcOEt=1:1)で精製した。アミド体44(8.88mg,55%)を得た。
1HNMR 600MHz in CDCl3 1.47(9H,s),5.95(1H,d,J=2.0Hz),5.98(2H,s),6.29(1H,br),6.89(1H,d,J=2.0Hz),6.89(1H,d,J=1.5Hz),7.15(1H,br),7.25(1H,s),7.48(1H,d,J=2.5Hz),7.60(2H,d,J=7.0Hz),7.81(2H,d,J=6.5Hz),8.80(1H,s)
HR-ESI-MS:calcd C21H22F3N5NaO3[M+Na]+,
472.1567,found,472.1540 -Amid body 44
Add DIPEA (12.6 μL, 0.0723 mmol) and HATU (13.7 mg, 0.0360 mmol) to a dichloromethane solution (0.49 mL) of carboxylic acid intermediate 43 (11.05 mg, 0.0361 mmol) to create a nitrogen atmosphere. Below, it was stirred for 30 minutes. 4-Trifluoromethylaniline (5.0 μL, 0.0398 mmol) was added, and the mixture was stirred at room temperature for 14 hours. The reaction was stopped with water and extraction was performed with CHCl 3 . The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by preparative TLC (Hexane / AcOEt = 1: 1). The amide 44 (8.88 mg, 55%) was obtained.
1 1 HNMR 600MHz in CDCl 3 1.47 (9H, s), 5.95 (1H, d, J = 2.0Hz), 5.98 (2H, s), 6.29 (1H, br), 6. 89 (1H, d, J = 2.0Hz), 6.89 (1H, d, J = 1.5Hz), 7.15 (1H, br), 7.25 (1H, s), 7.48 ( 1H, d, J = 2.5Hz), 7.60 (2H, d, J = 7.0Hz), 7.81 (2H, d, J = 6.5Hz), 8.80 (1H, s)
HR-ESI-MS: calcd C 21 H 22 F 3 N 5 NaO 3 [M + Na] + ,
472.167, found, 472.540
1HNMR 600MHz in CDCl3 1.47(9H,s),5.95(1H,d,J=2.0Hz),5.98(2H,s),6.29(1H,br),6.89(1H,d,J=2.0Hz),6.89(1H,d,J=1.5Hz),7.15(1H,br),7.25(1H,s),7.48(1H,d,J=2.5Hz),7.60(2H,d,J=7.0Hz),7.81(2H,d,J=6.5Hz),8.80(1H,s)
HR-ESI-MS:calcd C21H22F3N5NaO3[M+Na]+,
472.1567,found,472.1540 -Amid body 44
1 1 HNMR 600MHz in CDCl 3 1.47 (9H, s), 5.95 (1H, d, J = 2.0Hz), 5.98 (2H, s), 6.29 (1H, br), 6. 89 (1H, d, J = 2.0Hz), 6.89 (1H, d, J = 1.5Hz), 7.15 (1H, br), 7.25 (1H, s), 7.48 ( 1H, d, J = 2.5Hz), 7.60 (2H, d, J = 7.0Hz), 7.81 (2H, d, J = 6.5Hz), 8.80 (1H, s)
HR-ESI-MS: calcd C 21 H 22 F 3 N 5 NaO 3 [M + Na] + ,
472.167, found, 472.540
・アミン塩酸塩45
アミド体44(26.64mg,0.0593mmol)の4MHCl in 1,4-dioxane溶液(0.59mL)を窒素雰囲気下、室温で2.7時間攪拌した。溶媒を減圧留去した。アミン塩酸塩45(13.64mg,60%)を得た。
1HNMR 600MHz in MeOH-d4 6.18(1H,m),6.30(2H,s),6.86(1H,d,J=2.4Hz),7.09(1H,t,J=2.4Hz),7.21(1H,s),7.63(3H,m),7.92(2H,d,J=8.4Hz),7.95(1H,s) -Amine hydrochloride 45
A 4MHCl in 1,4-dioxane solution (0.59 mL) of the amide 44 (26.64 mg, 0.0593 mmol) was stirred at room temperature for 2.7 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure. Amine hydrochloride 45 (13.64 mg, 60%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 6.18 (1H, m), 6.30 (2H, s), 6.86 (1H, d, J = 2.4Hz), 7.09 (1H, t, J) = 2.4Hz), 7.21 (1H, s), 7.63 (3H, m), 7.92 (2H, d, J = 8.4Hz), 7.95 (1H, s)
アミド体44(26.64mg,0.0593mmol)の4MHCl in 1,4-dioxane溶液(0.59mL)を窒素雰囲気下、室温で2.7時間攪拌した。溶媒を減圧留去した。アミン塩酸塩45(13.64mg,60%)を得た。
1HNMR 600MHz in MeOH-d4 6.18(1H,m),6.30(2H,s),6.86(1H,d,J=2.4Hz),7.09(1H,t,J=2.4Hz),7.21(1H,s),7.63(3H,m),7.92(2H,d,J=8.4Hz),7.95(1H,s) -Amine hydrochloride 45
A 4MHCl in 1,4-dioxane solution (0.59 mL) of the amide 44 (26.64 mg, 0.0593 mmol) was stirred at room temperature for 2.7 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure. Amine hydrochloride 45 (13.64 mg, 60%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 6.18 (1H, m), 6.30 (2H, s), 6.86 (1H, d, J = 2.4Hz), 7.09 (1H, t, J) = 2.4Hz), 7.21 (1H, s), 7.63 (3H, m), 7.92 (2H, d, J = 8.4Hz), 7.95 (1H, s)
・KUSC-5043
アミン塩酸塩45(18.24mg,0.0473mmol)のジクロロメタン溶液(0.47mL)に窒素雰囲気下トリエチルアミン(8.2μL,0.0590mmol)を添加して室温で30分間攪拌した。塩化プロピオニル(4.54μL,0.0520mmol)を添加し、室温で24時間攪拌した。水で反応を停止し、CHCl3で抽出後、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒減圧留去した。分取TLC(CHCl3/MeOH=20:1)で精製し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=50:50)にて精製し、KUSC-5043(3.30mg,17%)を得た。
1HNMR 600MHz in MeOH-d4 1.14(3H,t,J=7.8Hz),2.27(2H,q,J=7.8Hz),6.03(1H,m),6.19(2H,s),6.83(2H,d,J=3.0Hz),6.85(1H,t,J=3.0Hz),6.86(1H,br)7.34(1H,d,J=2.4Hz),7.62(2H,d,J=7.8Hz),7.75(1H,br)7.84(2H,d,J=7.8Hz),7.92(2H,d,J=9.0Hz)
ESI-MS:calcd C19H18F3N5NaO2[M+Na]+,
428.1305,found,428.1259
・ KUSC-5043
Triethylamine (8.2 μL, 0.0590 mmol) was added to a dichloromethane solution (0.47 mL) of amine hydrochloride 45 (18.24 mg, 0.0473 mmol) under a nitrogen atmosphere, and the mixture was stirred at room temperature for 30 minutes. Propionyl chloride (4.54 μL, 0.0520 mmol) was added, and the mixture was stirred at room temperature for 24 hours. The reaction was stopped with water, extracted with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate and distilled off under reduced pressure. Purification is performed by preparative TLC (CHCl 3 / MeOH = 20: 1), and then the obtained residue is purified by HPLC (cosmosil MSII, φ20 × 250 mm, chloroform: CH 3 CN / H 2 O = 50: 50). Then, KUSC-5043 (3.30 mg, 17%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.14 (3H, t, J = 7.8Hz), 2.27 (2H, q, J = 7.8Hz), 6.03 (1H, m), 6.19 (2H, s), 6.83 (2H, d, J = 3.0Hz), 6.85 (1H, t, J = 3.0Hz), 6.86 (1H, br) 7.34 (1H, 1H, d, J = 2.4Hz), 7.62 (2H, d, J = 7.8Hz), 7.75 (1H, br) 7.84 (2H, d, J = 7.8Hz), 7.92 (2H, d, J = 9.0Hz)
ESI-MS: calcd C 19 H 18 F 3 N 5 NaO 2 [M + Na] + ,
428.1305, found, 428.1259
アミン塩酸塩45(18.24mg,0.0473mmol)のジクロロメタン溶液(0.47mL)に窒素雰囲気下トリエチルアミン(8.2μL,0.0590mmol)を添加して室温で30分間攪拌した。塩化プロピオニル(4.54μL,0.0520mmol)を添加し、室温で24時間攪拌した。水で反応を停止し、CHCl3で抽出後、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒減圧留去した。分取TLC(CHCl3/MeOH=20:1)で精製し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=50:50)にて精製し、KUSC-5043(3.30mg,17%)を得た。
1HNMR 600MHz in MeOH-d4 1.14(3H,t,J=7.8Hz),2.27(2H,q,J=7.8Hz),6.03(1H,m),6.19(2H,s),6.83(2H,d,J=3.0Hz),6.85(1H,t,J=3.0Hz),6.86(1H,br)7.34(1H,d,J=2.4Hz),7.62(2H,d,J=7.8Hz),7.75(1H,br)7.84(2H,d,J=7.8Hz),7.92(2H,d,J=9.0Hz)
ESI-MS:calcd C19H18F3N5NaO2[M+Na]+,
428.1305,found,428.1259
Triethylamine (8.2 μL, 0.0590 mmol) was added to a dichloromethane solution (0.47 mL) of amine hydrochloride 45 (18.24 mg, 0.0473 mmol) under a nitrogen atmosphere, and the mixture was stirred at room temperature for 30 minutes. Propionyl chloride (4.54 μL, 0.0520 mmol) was added, and the mixture was stirred at room temperature for 24 hours. The reaction was stopped with water, extracted with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate and distilled off under reduced pressure. Purification is performed by preparative TLC (CHCl 3 / MeOH = 20: 1), and then the obtained residue is purified by HPLC (cosmosil MSII, φ20 × 250 mm, chloroform: CH 3 CN / H 2 O = 50: 50). Then, KUSC-5043 (3.30 mg, 17%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.14 (3H, t, J = 7.8Hz), 2.27 (2H, q, J = 7.8Hz), 6.03 (1H, m), 6.19 (2H, s), 6.83 (2H, d, J = 3.0Hz), 6.85 (1H, t, J = 3.0Hz), 6.86 (1H, br) 7.34 (1H, 1H, d, J = 2.4Hz), 7.62 (2H, d, J = 7.8Hz), 7.75 (1H, br) 7.84 (2H, d, J = 7.8Hz), 7.92 (2H, d, J = 9.0Hz)
ESI-MS: calcd C 19 H 18 F 3 N 5 NaO 2 [M + Na] + ,
428.1305, found, 428.1259
・KUSC-5047
アミド体46
カルボン酸中間体43(36.73mg,0.120mmol)のジクロロメタン溶液(1.6mL)にDIPEA(18μL,0.134mmol),HATU(45.6mg,0.120mmol)を加えて、窒素雰囲気下、30分攪拌した。4-トリフルオロメトキシアニリン(18μL,0.134mmol)を加えて室温で10時間攪拌した。水で反応を停止し、CHCl3で抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2 flash colum n chromatography(CHCl3/MeOH=100:3)で精製した。アミド体46(46.95mg,84%)を得た。
1HNMR 600MHz in CDCl3 1.48(9H,s),5.95(1H,d,J=3.0Hz),5.98(2H,s),6.32(1H,br),6.69(1H,d,J=2.4Hz),6.89(1H,d,J=2.4Hz),7.15(1H,br),7.21(2H,d,J=8.4Hz),7.48(1H,d,J=1.8Hz),7.73(2H,d,J=9.0Hz),8.72(1H,s)
HR-ESI-MS:calcd C21H22F3N5NaO4[M+Na]+,
488.1517,found,488.1546 ・ KUSC-5047
Amide body 46
DIPEA (18 μL, 0.134 mmol) and HATU (45.6 mg, 0.120 mmol) were added to a dichloromethane solution (1.6 mL) of carboxylic acid intermediate 43 (36.73 mg, 0.120 mmol) under a nitrogen atmosphere. The mixture was stirred for 30 minutes. 4-Trifluoromethoxyaniline (18 μL, 0.134 mmol) was added, and the mixture was stirred at room temperature for 10 hours. The reaction was stopped with water and extraction was performed with CHCl 3 . The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 100: 3). The amide compound 46 (46.95 mg, 84%) was obtained.
1 1 HNMR 600MHz in CDCl 3 1.48 (9H, s), 5.95 (1H, d, J = 3.0Hz), 5.98 (2H, s), 6.32 (1H, br), 6. 69 (1H, d, J = 2.4Hz), 6.89 (1H, d, J = 2.4Hz), 7.15 (1H, br), 7.21 (2H, d, J = 8.4Hz) ), 7.48 (1H, d, J = 1.8Hz), 7.73 (2H, d, J = 9.0Hz), 8.72 (1H, s)
HR-ESI-MS: calcd C 21 H 22 F 3 N 5 NaO 4 [M + Na] + ,
488.1517, found, 488.1546
アミド体46
カルボン酸中間体43(36.73mg,0.120mmol)のジクロロメタン溶液(1.6mL)にDIPEA(18μL,0.134mmol),HATU(45.6mg,0.120mmol)を加えて、窒素雰囲気下、30分攪拌した。4-トリフルオロメトキシアニリン(18μL,0.134mmol)を加えて室温で10時間攪拌した。水で反応を停止し、CHCl3で抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2 flash colum n chromatography(CHCl3/MeOH=100:3)で精製した。アミド体46(46.95mg,84%)を得た。
1HNMR 600MHz in CDCl3 1.48(9H,s),5.95(1H,d,J=3.0Hz),5.98(2H,s),6.32(1H,br),6.69(1H,d,J=2.4Hz),6.89(1H,d,J=2.4Hz),7.15(1H,br),7.21(2H,d,J=8.4Hz),7.48(1H,d,J=1.8Hz),7.73(2H,d,J=9.0Hz),8.72(1H,s)
HR-ESI-MS:calcd C21H22F3N5NaO4[M+Na]+,
488.1517,found,488.1546 ・ KUSC-5047
Amide body 46
DIPEA (18 μL, 0.134 mmol) and HATU (45.6 mg, 0.120 mmol) were added to a dichloromethane solution (1.6 mL) of carboxylic acid intermediate 43 (36.73 mg, 0.120 mmol) under a nitrogen atmosphere. The mixture was stirred for 30 minutes. 4-Trifluoromethoxyaniline (18 μL, 0.134 mmol) was added, and the mixture was stirred at room temperature for 10 hours. The reaction was stopped with water and extraction was performed with CHCl 3 . The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 100: 3). The amide compound 46 (46.95 mg, 84%) was obtained.
1 1 HNMR 600MHz in CDCl 3 1.48 (9H, s), 5.95 (1H, d, J = 3.0Hz), 5.98 (2H, s), 6.32 (1H, br), 6. 69 (1H, d, J = 2.4Hz), 6.89 (1H, d, J = 2.4Hz), 7.15 (1H, br), 7.21 (2H, d, J = 8.4Hz) ), 7.48 (1H, d, J = 1.8Hz), 7.73 (2H, d, J = 9.0Hz), 8.72 (1H, s)
HR-ESI-MS: calcd C 21 H 22 F 3 N 5 NaO 4 [M + Na] + ,
488.1517, found, 488.1546
・アミン塩酸塩47
アミド体46(40.73mg,0.0875mmol)の4MHCl in 1,4-dioxane溶液(1.0mL)を窒素雰囲気下、室温で2.7時間攪拌した。溶媒を減圧留去した。アミン塩酸塩47(36.13mg,100%)を得た。
1HNMR 600MHz in MeOH-d4 6.20(1H,d,J=2.4Hz),6.30(2H,s),6.86(1H,s),7.09(1H,d,J=3.0Hz),7.27(2H,d,J=8.4Hz),7.81(2H,d,J=8.4Hz),7.94(1H,s) ・ Amine hydrochloride 47
A 4MHCl in 1,4-dioxane solution (1.0 mL) of the amide 46 (40.73 mg, 0.0875 mmol) was stirred at room temperature for 2.7 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure. Amine hydrochloride 47 (36.13 mg, 100%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 6.20 (1H, d, J = 2.4Hz), 6.30 (2H, s), 6.86 (1H, s), 7.09 (1H, d, J) = 3.0Hz), 7.27 (2H, d, J = 8.4Hz), 7.81 (2H, d, J = 8.4Hz), 7.94 (1H, s)
1HNMR 600MHz in MeOH-d4 6.20(1H,d,J=2.4Hz),6.30(2H,s),6.86(1H,s),7.09(1H,d,J=3.0Hz),7.27(2H,d,J=8.4Hz),7.81(2H,d,J=8.4Hz),7.94(1H,s) ・ Amine hydrochloride 47
1 1 HNMR 600MHz in MeOH-d 4 6.20 (1H, d, J = 2.4Hz), 6.30 (2H, s), 6.86 (1H, s), 7.09 (1H, d, J) = 3.0Hz), 7.27 (2H, d, J = 8.4Hz), 7.81 (2H, d, J = 8.4Hz), 7.94 (1H, s)
・KUSC-5047
アミン塩酸塩47(20mg,0.0498mmol)のジクロロメタン溶液(0.50mL)にトリエチルアミン(8.6μL,0.0619mmol)を加えて、30分間反応させた。塩化プロピオニル(4.8μL,0.0550mmol)を加えて、室温で20時間反応させた。水で反応を停止し、酢酸エチルで抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を留去した。分取TLC(CHCl3/MeOH=20:1)で精製し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=50:50)にて精製し、KUSC-5047(7.23mg,34%)を得た。
1HNMR 500MHz in MeOH-d4 1.17(3H,t,J=7.5Hz),2.30(2H,q,J=7.5Hz),6.05-6.06(1H,m),6.84(1H,d,J=2.5Hz),6.86(1H,t,J=2.5Hz),7.26(2H,d,J=8.5Hz),7.36(1H,t,J=2.0Hz),7.82(2H,d,J=9.5Hz),7.86(1H,d,J=3.0Hz)
HR-ESI-MS:calcd C19H18F3N5NaO3[M+Na]+,
444.1254,found,444.1246
・ KUSC-5047
Triethylamine (8.6 μL, 0.0619 mmol) was added to a dichloromethane solution (0.50 mL) of amine hydrochloride 47 (20 mg, 0.0498 mmol), and the mixture was reacted for 30 minutes. Propionyl chloride (4.8 μL, 0.0550 mmol) was added and reacted at room temperature for 20 hours. The reaction was stopped with water, extracted with ethyl acetate, and washed with saturated brine. The organic layer was dried over sodium sulfate and the solvent was distilled off. Purification is performed by preparative TLC (CHCl 3 / MeOH = 20: 1), and then the obtained residue is purified by HPLC (cosmosil MSII, φ20 × 250 mm, chloroform: CH 3 CN / H 2 O = 50: 50). Then, KUSC-5047 (7.23 mg, 34%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 1.17 (3H, t, J = 7.5Hz), 2.30 (2H, q, J = 7.5Hz), 6.05-6.06 (1H, m) , 6.84 (1H, d, J = 2.5Hz), 6.86 (1H, t, J = 2.5Hz), 7.26 (2H, d, J = 8.5Hz), 7.36 ( 1H, t, J = 2.0Hz), 7.82 (2H, d, J = 9.5Hz), 7.86 (1H, d, J = 3.0Hz)
HR-ESI-MS: calcd C 19 H 18 F 3 N 5 NaO 3 [M + Na] + ,
444.1254, found, 444.1246
1HNMR 500MHz in MeOH-d4 1.17(3H,t,J=7.5Hz),2.30(2H,q,J=7.5Hz),6.05-6.06(1H,m),6.84(1H,d,J=2.5Hz),6.86(1H,t,J=2.5Hz),7.26(2H,d,J=8.5Hz),7.36(1H,t,J=2.0Hz),7.82(2H,d,J=9.5Hz),7.86(1H,d,J=3.0Hz)
HR-ESI-MS:calcd C19H18F3N5NaO3[M+Na]+,
444.1254,found,444.1246
1 1 HNMR 500MHz in MeOH-d 4 1.17 (3H, t, J = 7.5Hz), 2.30 (2H, q, J = 7.5Hz), 6.05-6.06 (1H, m) , 6.84 (1H, d, J = 2.5Hz), 6.86 (1H, t, J = 2.5Hz), 7.26 (2H, d, J = 8.5Hz), 7.36 ( 1H, t, J = 2.0Hz), 7.82 (2H, d, J = 9.5Hz), 7.86 (1H, d, J = 3.0Hz)
HR-ESI-MS: calcd C 19 H 18 F 3 N 5 NaO 3 [M + Na] + ,
444.1254, found, 444.1246
・エステル体48
エステル中間体28(100mg,0.383mmol)のMeOH(0.85mL)とTHF(0.85mL)の混合溶液に(Boc)2O(0.1mL,0.435mmol)と5%Pd/C(53.3mg)を加えて、水素雰囲気下、23時間反応させた。セライトでろ過し、溶媒を減圧留去した。残渣をSiO2 flash colum n chromatography(Hexane/AcOEt=1:1)で精製した。エステル体48(96.86mg,76%)を得た。
1HNMR 500MHz in CDCl3 1.48(9H,s),3.91(3H,s),5.26(2H,s),7.36(1H,s),7.40-43(2H,m),7.67(1H,s),7.92(1H,s),7.97(1H,d,J=2.0Hz)
HR-ESI-MS:calcd C17H21N3NaO3[M+Na]+,
354.1425,found,354.1412 -Ester body 48
In a mixed solution of ester intermediate 28 (100 mg, 0.383 mmol) with MeOH (0.85 mL) and THF (0.85 mL), (Boc) 2 O (0.1 mL, 0.435 mmol) and 5% Pd / C ( 53.3 mg) was added, and the mixture was reacted for 23 hours under a hydrogen atmosphere. The mixture was filtered through cerite and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 flash color n chromatography (Hexane / AcOEt = 1: 1). Ester 48 (96.86 mg, 76%) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.48 (9H, s), 3.91 (3H, s), 5.26 (2H, s), 7.36 (1H, s), 7.40-43 (2H, m), 7.67 (1H, s), 7.92 (1H, s), 7.97 (1H, d, J = 2.0Hz)
HR-ESI-MS: calcd C 17 H 21 N 3 NaO 3 [M + Na] + ,
354.1425, found, 354.1412
エステル中間体28(100mg,0.383mmol)のMeOH(0.85mL)とTHF(0.85mL)の混合溶液に(Boc)2O(0.1mL,0.435mmol)と5%Pd/C(53.3mg)を加えて、水素雰囲気下、23時間反応させた。セライトでろ過し、溶媒を減圧留去した。残渣をSiO2 flash colum n chromatography(Hexane/AcOEt=1:1)で精製した。エステル体48(96.86mg,76%)を得た。
1HNMR 500MHz in CDCl3 1.48(9H,s),3.91(3H,s),5.26(2H,s),7.36(1H,s),7.40-43(2H,m),7.67(1H,s),7.92(1H,s),7.97(1H,d,J=2.0Hz)
HR-ESI-MS:calcd C17H21N3NaO3[M+Na]+,
354.1425,found,354.1412 -Ester body 48
In a mixed solution of ester intermediate 28 (100 mg, 0.383 mmol) with MeOH (0.85 mL) and THF (0.85 mL), (Boc) 2 O (0.1 mL, 0.435 mmol) and 5% Pd / C ( 53.3 mg) was added, and the mixture was reacted for 23 hours under a hydrogen atmosphere. The mixture was filtered through cerite and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 flash color n chromatography (Hexane / AcOEt = 1: 1). Ester 48 (96.86 mg, 76%) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.48 (9H, s), 3.91 (3H, s), 5.26 (2H, s), 7.36 (1H, s), 7.40-43 (2H, m), 7.67 (1H, s), 7.92 (1H, s), 7.97 (1H, d, J = 2.0Hz)
HR-ESI-MS: calcd C 17 H 21 N 3 NaO 3 [M + Na] + ,
354.1425, found, 354.1412
・カルボン酸中間体49
エステル体48(50mg,0.151mmol)のMeOH/水=3:1混合溶媒(4mL)に2MNaOH溶液(0.11mL,0.220mmol)を加えて、45℃で18時間反応させた。1M塩酸で反応を停止し、pH=3として酢酸エチルで抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。N-Bocカルボン酸中間体49(62.71mg,quant)を得た。
1HNMR 600MHz in MeOH-d4 1.48(9H,s),5.33(2H,s),7.43-46(3H,m),7.73(1H,s),7.89(1H,s),7.91(1H,s),7.96(1H,d,J=7.2Hz)
HR-ESI-MS:calcd C16H19N3O4Na[M+Na]+,
340.1268,found,340.1276 -Carboxylic acid intermediate 49
A 2M NaOH solution (0.11 mL, 0.220 mmol) was added to a MeOH / water = 3: 1 mixed solvent (4 mL) of ester 48 (50 mg, 0.151 mmol), and the mixture was reacted at 45 ° C. for 18 hours. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with ethyl acetate at pH = 3. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. N-Boc Carboxylic Acid Intermediate 49 (62.71 mg, quant) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.48 (9H, s), 5.33 (2H, s), 7.43-46 (3H, m), 7.73 (1H, s), 7.89 ( 1H, s), 7.91 (1H, s), 7.96 (1H, d, J = 7.2Hz)
HR-ESI-MS: calcd C 16 H 19 N 3 O 4 Na [M + Na] + ,
340.1268, found, 340.1276
エステル体48(50mg,0.151mmol)のMeOH/水=3:1混合溶媒(4mL)に2MNaOH溶液(0.11mL,0.220mmol)を加えて、45℃で18時間反応させた。1M塩酸で反応を停止し、pH=3として酢酸エチルで抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。N-Bocカルボン酸中間体49(62.71mg,quant)を得た。
1HNMR 600MHz in MeOH-d4 1.48(9H,s),5.33(2H,s),7.43-46(3H,m),7.73(1H,s),7.89(1H,s),7.91(1H,s),7.96(1H,d,J=7.2Hz)
HR-ESI-MS:calcd C16H19N3O4Na[M+Na]+,
340.1268,found,340.1276 -Carboxylic acid intermediate 49
A 2M NaOH solution (0.11 mL, 0.220 mmol) was added to a MeOH / water = 3: 1 mixed solvent (4 mL) of ester 48 (50 mg, 0.151 mmol), and the mixture was reacted at 45 ° C. for 18 hours. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with ethyl acetate at pH = 3. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. N-Boc Carboxylic Acid Intermediate 49 (62.71 mg, quant) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.48 (9H, s), 5.33 (2H, s), 7.43-46 (3H, m), 7.73 (1H, s), 7.89 ( 1H, s), 7.91 (1H, s), 7.96 (1H, d, J = 7.2Hz)
HR-ESI-MS: calcd C 16 H 19 N 3 O 4 Na [M + Na] + ,
340.1268, found, 340.1276
・アミド体50
カルボン酸中間体49(25.0mg,0.0788mmol)のCH2Cl2溶液(1.1mL)にDIPEA(27μL,0.155mmol),HATU(30.0mg,0.0789mmol)を加えて、窒素雰囲気下、30分攪拌した。4-トリフルオロメチルアニリン(11μL,0.0876mmol)を加えて室温で20時間攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=100:3)で精製した。アミド体50(16.84mg,70%,2 steps)を得た。
1HNMR 600MHz in MeOH-d4 1.46(9H,s),5.32(2H,s),7.40(2H,d,J=10.2Hz),7.47(1H,t,J=7.8Hz),7.62(2H,d,J=9.0Hz),7.75(1H,s),7.81(1H,s),7.84(1H,d,J=7.8Hz),7.89(2H,d,J=9.0Hz)
HR-ESI-MS:calcd C23H23F3N4O3Na[M+Na]+,
483.1615,found,483.1559 ・ Amide body 50
Add DIPEA (27 μL, 0.155 mmol) and HATU (30.0 mg, 0.0789 mmol) to a CH 2 Cl 2 solution (1.1 mL) of carboxylic acid intermediate 49 (25.0 mg, 0.0788 mmol) and add nitrogen. The mixture was stirred for 30 minutes under the atmosphere. 4-Trifluoromethylaniline (11 μL, 0.0876 mmol) was added, and the mixture was stirred at room temperature for 20 hours. The reaction was stopped with water and extraction was performed with ethyl acetate. The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 100: 3). An amide 50 (16.84 mg, 70%, 2 steps) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.46 (9H, s), 5.32 (2H, s), 7.40 (2H, d, J = 10.2Hz), 7.47 (1H, t, J) = 7.8Hz), 7.62 (2H, d, J = 9.0Hz), 7.75 (1H, s), 7.81 (1H, s), 7.84 (1H, d, J = 7) .8Hz), 7.89 (2H, d, J = 9.0Hz)
HR-ESI-MS: calcd C 23 H 23 F 3 N 4 O 3 Na [M + Na] + ,
483.1615, found, 483.1559
カルボン酸中間体49(25.0mg,0.0788mmol)のCH2Cl2溶液(1.1mL)にDIPEA(27μL,0.155mmol),HATU(30.0mg,0.0789mmol)を加えて、窒素雰囲気下、30分攪拌した。4-トリフルオロメチルアニリン(11μL,0.0876mmol)を加えて室温で20時間攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=100:3)で精製した。アミド体50(16.84mg,70%,2 steps)を得た。
1HNMR 600MHz in MeOH-d4 1.46(9H,s),5.32(2H,s),7.40(2H,d,J=10.2Hz),7.47(1H,t,J=7.8Hz),7.62(2H,d,J=9.0Hz),7.75(1H,s),7.81(1H,s),7.84(1H,d,J=7.8Hz),7.89(2H,d,J=9.0Hz)
HR-ESI-MS:calcd C23H23F3N4O3Na[M+Na]+,
483.1615,found,483.1559 ・ Amide body 50
Add DIPEA (27 μL, 0.155 mmol) and HATU (30.0 mg, 0.0789 mmol) to a CH 2 Cl 2 solution (1.1 mL) of carboxylic acid intermediate 49 (25.0 mg, 0.0788 mmol) and add nitrogen. The mixture was stirred for 30 minutes under the atmosphere. 4-Trifluoromethylaniline (11 μL, 0.0876 mmol) was added, and the mixture was stirred at room temperature for 20 hours. The reaction was stopped with water and extraction was performed with ethyl acetate. The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 100: 3). An amide 50 (16.84 mg, 70%, 2 steps) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.46 (9H, s), 5.32 (2H, s), 7.40 (2H, d, J = 10.2Hz), 7.47 (1H, t, J) = 7.8Hz), 7.62 (2H, d, J = 9.0Hz), 7.75 (1H, s), 7.81 (1H, s), 7.84 (1H, d, J = 7) .8Hz), 7.89 (2H, d, J = 9.0Hz)
HR-ESI-MS: calcd C 23 H 23 F 3 N 4 O 3 Na [M + Na] + ,
483.1615, found, 483.1559
・アミン塩酸塩51
アミド体50(14.12mg,0.0307mmol)の4MHCl in 1,4-dioxane溶液(0.6mL)を窒素雰囲気下、室温で14時間攪拌した。溶媒を減圧留去した。アミン塩酸塩51(12.68mg,100%)を得た。
1HNMR 600MHz in MeOH-d4 5.48(2H,s),7.52(2H,d,J=2.8Hz),7.65-67(3H,d,J=9.0Hz),7.87(1H,s),7.91(1H,m),7.93(2H,d,J=9.0Hz),8.08(1H,s)
HR-ESI-MS:calcd C18H15F3N4ONa[M+Na]+,
383.1091,found,383.1101 -Amine hydrochloride 51
A 4MHCl in 1,4-dioxane solution (0.6 mL) of amide 50 (14.12 mg, 0.0307 mmol) was stirred at room temperature for 14 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure. Amine hydrochloride 51 (12.68 mg, 100%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 5.48 (2H, s), 7.52 (2H, d, J = 2.8Hz), 7.65-67 (3H, d, J = 9.0Hz), 7 .87 (1H, s), 7.91 (1H, m), 7.93 (2H, d, J = 9.0Hz), 8.08 (1H, s)
HR-ESI-MS: calcd C 18 H 15 F 3 N 4 ONa [M + Na] + ,
383.1091, found, 383.1101
アミド体50(14.12mg,0.0307mmol)の4MHCl in 1,4-dioxane溶液(0.6mL)を窒素雰囲気下、室温で14時間攪拌した。溶媒を減圧留去した。アミン塩酸塩51(12.68mg,100%)を得た。
1HNMR 600MHz in MeOH-d4 5.48(2H,s),7.52(2H,d,J=2.8Hz),7.65-67(3H,d,J=9.0Hz),7.87(1H,s),7.91(1H,m),7.93(2H,d,J=9.0Hz),8.08(1H,s)
HR-ESI-MS:calcd C18H15F3N4ONa[M+Na]+,
383.1091,found,383.1101 -Amine hydrochloride 51
A 4MHCl in 1,4-dioxane solution (0.6 mL) of amide 50 (14.12 mg, 0.0307 mmol) was stirred at room temperature for 14 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure. Amine hydrochloride 51 (12.68 mg, 100%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 5.48 (2H, s), 7.52 (2H, d, J = 2.8Hz), 7.65-67 (3H, d, J = 9.0Hz), 7 .87 (1H, s), 7.91 (1H, m), 7.93 (2H, d, J = 9.0Hz), 8.08 (1H, s)
HR-ESI-MS: calcd C 18 H 15 F 3 N 4 ONa [M + Na] + ,
383.1091, found, 383.1101
・KUSC-5046
アミン塩酸塩51(10mg,0.0252mmol)のジクロロメタン溶液(0.50mL)にトリエチルアミン(4.4μL,0.0317mmol)を加えて、30分間反応させた。塩化プロピオニル(2.4μL,0.0275mmol)を加えて、室温で20時間反応させた。水で反応を停止し、酢酸エチルで抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を留去した。分取TLC(CHCl3/MeOH=20:1)で精製し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5046(2.87mg,29%)を得た。
1HNMR 600MHz in MeOH-d4 1.18(3H,t,J=7.2Hz),3.34(2H,q,J=7.2Hz),5.39(2H,s),7.45(1H,d,J=8.4Hz),7.51(1H,t,J=7.8Hz),7.53(1H,s),7.66(2H,d,J=9.0Hz),7.85(1H,s),7.88(1H,d,J=7.8Hz),7.92(2H,d,J=9.0Hz),8.04(1H,s)
HR-ESI-MS:calcd C21H19F3N4O2Na[M+Na]+,
439.1358,found,439.1374
・ KUSC-5046
Triethylamine (4.4 μL, 0.0317 mmol) was added to a dichloromethane solution (0.50 mL) of amine hydrochloride 51 (10 mg, 0.0252 mmol), and the mixture was reacted for 30 minutes. Propionyl chloride (2.4 μL, 0.0275 mmol) was added and reacted at room temperature for 20 hours. The reaction was stopped with water, extracted with ethyl acetate, and washed with saturated brine. The organic layer was dried over sodium sulfate and the solvent was distilled off. Purification is performed by preparative TLC (CHCl 3 / MeOH = 20: 1), and then the obtained residue is purified by HPLC (cosmosil MSII, φ20 × 250 mm, chloroform: CH 3 CN / H 2 O = 60: 40). Then, KUSC-5046 (2.87 mg, 29%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.18 (3H, t, J = 7.2Hz), 3.34 (2H, q, J = 7.2Hz), 5.39 (2H, s), 7.45 (1H, d, J = 8.4Hz), 7.51 (1H, t, J = 7.8Hz), 7.53 (1H, s), 7.66 (2H, d, J = 9.0Hz) , 7.85 (1H, s), 7.88 (1H, d, J = 7.8Hz), 7.92 (2H, d, J = 9.0Hz), 8.04 (1H, s)
HR-ESI-MS: calcd C 21 H 19 F 3 N 4 O 2 Na [M + Na] + ,
439.1358, found, 439.1374
アミン塩酸塩51(10mg,0.0252mmol)のジクロロメタン溶液(0.50mL)にトリエチルアミン(4.4μL,0.0317mmol)を加えて、30分間反応させた。塩化プロピオニル(2.4μL,0.0275mmol)を加えて、室温で20時間反応させた。水で反応を停止し、酢酸エチルで抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を留去した。分取TLC(CHCl3/MeOH=20:1)で精製し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5046(2.87mg,29%)を得た。
1HNMR 600MHz in MeOH-d4 1.18(3H,t,J=7.2Hz),3.34(2H,q,J=7.2Hz),5.39(2H,s),7.45(1H,d,J=8.4Hz),7.51(1H,t,J=7.8Hz),7.53(1H,s),7.66(2H,d,J=9.0Hz),7.85(1H,s),7.88(1H,d,J=7.8Hz),7.92(2H,d,J=9.0Hz),8.04(1H,s)
HR-ESI-MS:calcd C21H19F3N4O2Na[M+Na]+,
439.1358,found,439.1374
Triethylamine (4.4 μL, 0.0317 mmol) was added to a dichloromethane solution (0.50 mL) of amine hydrochloride 51 (10 mg, 0.0252 mmol), and the mixture was reacted for 30 minutes. Propionyl chloride (2.4 μL, 0.0275 mmol) was added and reacted at room temperature for 20 hours. The reaction was stopped with water, extracted with ethyl acetate, and washed with saturated brine. The organic layer was dried over sodium sulfate and the solvent was distilled off. Purification is performed by preparative TLC (CHCl 3 / MeOH = 20: 1), and then the obtained residue is purified by HPLC (cosmosil MSII, φ20 × 250 mm, chloroform: CH 3 CN / H 2 O = 60: 40). Then, KUSC-5046 (2.87 mg, 29%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.18 (3H, t, J = 7.2Hz), 3.34 (2H, q, J = 7.2Hz), 5.39 (2H, s), 7.45 (1H, d, J = 8.4Hz), 7.51 (1H, t, J = 7.8Hz), 7.53 (1H, s), 7.66 (2H, d, J = 9.0Hz) , 7.85 (1H, s), 7.88 (1H, d, J = 7.8Hz), 7.92 (2H, d, J = 9.0Hz), 8.04 (1H, s)
HR-ESI-MS: calcd C 21 H 19 F 3 N 4 O 2 Na [M + Na] + ,
439.1358, found, 439.1374
・エステル体52
4-ニトロ-1H-ピラゾール(102.8mg,0.909mmol)のTHF溶液4.5mLに1-クロロメチルフラン2-カルボン酸エチル(0.14mL,0.909mmol),tBuOK(132.6mg,1.18mmol),TBAI(33.6mg,0.0910mmol)を添加し、室温で16時間攪拌した。飽和塩化アンモニウム水溶液で反応を停止させ、酢酸エチルで抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (Hexane/AcOEt=2:1)にて精製し 、エステル体52(174.32mg,72%)を得た。
1HNMRの値は、文献値と一致した。 -Ester body 52
Ethyl 1-chloromethylfuran 2-carboxylate (0.14 mL, 0.909 mmol) in 4.5 mL of a THF solution of 4-nitro-1H-pyrazol (102.8 mg, 0.909 mmol), t BuOK (132.6 mg, 132.6 mg,) 1.18 mmol) and THF (33.6 mg, 0.0910 mmol) were added, and the mixture was stirred at room temperature for 16 hours. The reaction was stopped with saturated aqueous ammonium chloride solution, extraction was performed with ethyl acetate, the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 flash color n chromatography (Hexane / AcOEt = 2: 1) to obtain an ester 52 (174.32 mg, 72%).
1 The 1 HNMR value was in agreement with the literature value.
4-ニトロ-1H-ピラゾール(102.8mg,0.909mmol)のTHF溶液4.5mLに1-クロロメチルフラン2-カルボン酸エチル(0.14mL,0.909mmol),tBuOK(132.6mg,1.18mmol),TBAI(33.6mg,0.0910mmol)を添加し、室温で16時間攪拌した。飽和塩化アンモニウム水溶液で反応を停止させ、酢酸エチルで抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (Hexane/AcOEt=2:1)にて精製し 、エステル体52(174.32mg,72%)を得た。
1HNMRの値は、文献値と一致した。 -Ester body 52
Ethyl 1-chloromethylfuran 2-carboxylate (0.14 mL, 0.909 mmol) in 4.5 mL of a THF solution of 4-nitro-1H-pyrazol (102.8 mg, 0.909 mmol), t BuOK (132.6 mg, 132.6 mg,) 1.18 mmol) and THF (33.6 mg, 0.0910 mmol) were added, and the mixture was stirred at room temperature for 16 hours. The reaction was stopped with saturated aqueous ammonium chloride solution, extraction was performed with ethyl acetate, the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 flash color n chromatography (Hexane / AcOEt = 2: 1) to obtain an ester 52 (174.32 mg, 72%).
1 The 1 HNMR value was in agreement with the literature value.
・エステル体53
エステル体52(100mg,0.377mmol)のMeOH(0.84mL)とTHF(0.84mL)の混合溶液に(Boc)2O(95μL,0.414mmol)と5%Pd/C(52.2mg)を加えて、水素雰囲気下、14時間反応させた。セライトでろ過し、溶媒を減圧留去した。残渣を分取TLC(Hexane/AcOEt=1:1)で精製した。エステル体53(54.71mg,43%)を得た。
1HNMR 500MHz in CDCl3 1.35(3H,t,J=7.0Hz),1.47(9H,s),4.33(2H,q,J=7.0Hz),5.26(2H,s),6.35(1H,s),6.44(1H,s),7.09(1H,d,J=2.0Hz),7.37(1H,s),7.71(1H,s)
HR-ESI-MS:calcd C16H21N3NaO5[M+Na]+,
358.1374,found,358.1409 -Ester body 53
In a mixed solution of ester 52 (100 mg, 0.377 mmol) of MeOH (0.84 mL) and THF (0.84 mL), (Boc) 2 O (95 μL, 0.414 mmol) and 5% Pd / C (52.2 mg). ) Was added, and the mixture was reacted for 14 hours under a hydrogen atmosphere. The mixture was filtered through cerite and the solvent was distilled off under reduced pressure. The residue was purified by preparative TLC (Hexane / AcOEt = 1: 1). Ester 53 (54.71 mg, 43%) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.35 (3H, t, J = 7.0Hz), 1.47 (9H, s), 4.33 (2H, q, J = 7.0Hz), 5.26 (2H) , S), 6.35 (1H, s), 6.44 (1H, s), 7.09 (1H, d, J = 2.0Hz), 7.37 (1H, s), 7.71 ( 1H, s)
HR-ESI-MS: calcd C 16 H 21 N 3 NaO 5 [M + Na] + ,
358.1374, found, 358.1409
エステル体52(100mg,0.377mmol)のMeOH(0.84mL)とTHF(0.84mL)の混合溶液に(Boc)2O(95μL,0.414mmol)と5%Pd/C(52.2mg)を加えて、水素雰囲気下、14時間反応させた。セライトでろ過し、溶媒を減圧留去した。残渣を分取TLC(Hexane/AcOEt=1:1)で精製した。エステル体53(54.71mg,43%)を得た。
1HNMR 500MHz in CDCl3 1.35(3H,t,J=7.0Hz),1.47(9H,s),4.33(2H,q,J=7.0Hz),5.26(2H,s),6.35(1H,s),6.44(1H,s),7.09(1H,d,J=2.0Hz),7.37(1H,s),7.71(1H,s)
HR-ESI-MS:calcd C16H21N3NaO5[M+Na]+,
358.1374,found,358.1409 -Ester body 53
In a mixed solution of ester 52 (100 mg, 0.377 mmol) of MeOH (0.84 mL) and THF (0.84 mL), (Boc) 2 O (95 μL, 0.414 mmol) and 5% Pd / C (52.2 mg). ) Was added, and the mixture was reacted for 14 hours under a hydrogen atmosphere. The mixture was filtered through cerite and the solvent was distilled off under reduced pressure. The residue was purified by preparative TLC (Hexane / AcOEt = 1: 1). Ester 53 (54.71 mg, 43%) was obtained.
1 1 HNMR 500MHz in CDCl 3 1.35 (3H, t, J = 7.0Hz), 1.47 (9H, s), 4.33 (2H, q, J = 7.0Hz), 5.26 (2H) , S), 6.35 (1H, s), 6.44 (1H, s), 7.09 (1H, d, J = 2.0Hz), 7.37 (1H, s), 7.71 ( 1H, s)
HR-ESI-MS: calcd C 16 H 21 N 3 NaO 5 [M + Na] + ,
358.1374, found, 358.1409
・カルボン酸中間体54
エステル体53(21.30mg,0.0635mmol)のMeOH/水=3:1混合溶媒(1.6mL)に2M水酸化ナトリウム水溶液(48μL,0.0960mmol)を加えて、45℃で19時間反応させた。1M塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体54(19.97mg,quant)を得た。
1HNMR 600MHz in MeOH-d4 1.48(9H,s),5.33(2H,s),6.48(1H,d,J=3.6Hz),7.15(1H,d,J=4.2Hz),7.42(1H,s),7.75(1H,s) -Carboxylic acid intermediate 54
A 2M aqueous sodium hydroxide solution (48 μL, 0.0960 mmol) was added to a MeOH / water = 3: 1 mixed solvent (1.6 mL) of ester 53 (21.30 mg, 0.0635 mmol), and the reaction was carried out at 45 ° C. for 19 hours. I let you. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with CHCl3 at pH = 2. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 54 (19.97 mg, quant) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.48 (9H, s), 5.33 (2H, s), 6.48 (1H, d, J = 3.6Hz), 7.15 (1H, d, J) = 4.2Hz), 7.42 (1H, s), 7.75 (1H, s)
エステル体53(21.30mg,0.0635mmol)のMeOH/水=3:1混合溶媒(1.6mL)に2M水酸化ナトリウム水溶液(48μL,0.0960mmol)を加えて、45℃で19時間反応させた。1M塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体54(19.97mg,quant)を得た。
1HNMR 600MHz in MeOH-d4 1.48(9H,s),5.33(2H,s),6.48(1H,d,J=3.6Hz),7.15(1H,d,J=4.2Hz),7.42(1H,s),7.75(1H,s) -Carboxylic acid intermediate 54
A 2M aqueous sodium hydroxide solution (48 μL, 0.0960 mmol) was added to a MeOH / water = 3: 1 mixed solvent (1.6 mL) of ester 53 (21.30 mg, 0.0635 mmol), and the reaction was carried out at 45 ° C. for 19 hours. I let you. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with CHCl3 at pH = 2. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 54 (19.97 mg, quant) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.48 (9H, s), 5.33 (2H, s), 6.48 (1H, d, J = 3.6Hz), 7.15 (1H, d, J) = 4.2Hz), 7.42 (1H, s), 7.75 (1H, s)
・アミド体55
カルボン酸中間体54(19.97mg,0.0650mmol)のCH2Cl2溶液(0.88mL)にDIPEA(23μL,0.132mmol),HATU(24.7mg,0.0650mmol)を加えて、窒素雰囲気下、30分攪拌した。4-トリフルオロメチルアニリン(9.0μL,0.0717mmol)を加えて室温で15時間攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=100:3)で精製した。アミド体55(20.78mg,71%,2 steps)を得た。
1HNMR 600MHz in CDCl3 1.49(9H,s),5.26(2H,s),6.44(1H,br),6.50(1H,d,J=3.0Hz),7.19(1H,d,J=3.6Hz),7.35(1H,s),7.59(2H,d,J=8.4Hz),7.81(3H,d,J=7.8Hz),8.36(1H,br)
HR-ESI-MS:calcd C21H21F3N4O4Na[M+Na]+,
473.1408,found,473.1430 ・ Amide 55
Add DIPEA (23 μL, 0.132 mmol) and HATU (24.7 mg, 0.0650 mmol) to a CH 2 Cl 2 solution (0.88 mL) of carboxylic acid intermediate 54 (19.97 mg, 0.0650 mmol) to add nitrogen. The mixture was stirred for 30 minutes under the atmosphere. 4-Trifluoromethylaniline (9.0 μL, 0.0717 mmol) was added, and the mixture was stirred at room temperature for 15 hours. The reaction was stopped with water and extraction was performed with ethyl acetate. The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 100: 3). An amide 55 (20.78 mg, 71%, 2 steps) was obtained.
1 1 HNMR 600MHz in CDCl 3 1.49 (9H, s), 5.26 (2H, s), 6.44 (1H, br), 6.50 (1H, d, J = 3.0Hz), 7. 19 (1H, d, J = 3.6Hz), 7.35 (1H, s), 7.59 (2H, d, J = 8.4Hz), 7.81 (3H, d, J = 7.8Hz) ), 8.36 (1H, br)
HR-ESI-MS: calcd C 21 H 21 F 3 N 4 O 4 Na [M + Na] + ,
473.1408, found, 473.1430
カルボン酸中間体54(19.97mg,0.0650mmol)のCH2Cl2溶液(0.88mL)にDIPEA(23μL,0.132mmol),HATU(24.7mg,0.0650mmol)を加えて、窒素雰囲気下、30分攪拌した。4-トリフルオロメチルアニリン(9.0μL,0.0717mmol)を加えて室温で15時間攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2カラムクロマトグラフィー(CHCl3/MeOH=100:3)で精製した。アミド体55(20.78mg,71%,2 steps)を得た。
1HNMR 600MHz in CDCl3 1.49(9H,s),5.26(2H,s),6.44(1H,br),6.50(1H,d,J=3.0Hz),7.19(1H,d,J=3.6Hz),7.35(1H,s),7.59(2H,d,J=8.4Hz),7.81(3H,d,J=7.8Hz),8.36(1H,br)
HR-ESI-MS:calcd C21H21F3N4O4Na[M+Na]+,
473.1408,found,473.1430 ・ Amide 55
Add DIPEA (23 μL, 0.132 mmol) and HATU (24.7 mg, 0.0650 mmol) to a CH 2 Cl 2 solution (0.88 mL) of carboxylic acid intermediate 54 (19.97 mg, 0.0650 mmol) to add nitrogen. The mixture was stirred for 30 minutes under the atmosphere. 4-Trifluoromethylaniline (9.0 μL, 0.0717 mmol) was added, and the mixture was stirred at room temperature for 15 hours. The reaction was stopped with water and extraction was performed with ethyl acetate. The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 column chromatography (CHCl 3 / MeOH = 100: 3). An amide 55 (20.78 mg, 71%, 2 steps) was obtained.
1 1 HNMR 600MHz in CDCl 3 1.49 (9H, s), 5.26 (2H, s), 6.44 (1H, br), 6.50 (1H, d, J = 3.0Hz), 7. 19 (1H, d, J = 3.6Hz), 7.35 (1H, s), 7.59 (2H, d, J = 8.4Hz), 7.81 (3H, d, J = 7.8Hz) ), 8.36 (1H, br)
HR-ESI-MS: calcd C 21 H 21 F 3 N 4 O 4 Na [M + Na] + ,
473.1408, found, 473.1430
・アミン塩酸塩56
アミド体55(20.78mg,0.0461mmol)の4MHCl in 1,4-dioxane溶液(0.46mL)を窒素雰囲気下、室温で2.5時間攪拌した。溶媒を減圧留去した。アミン塩酸塩56(16.94mg,95%)を得た。
1HNMR 600MHz in MeOH-d4 5.52(2H,s),6.67(1H,d,J=3.0Hz),7.28(1H,d,J=3.0Hz),7.65(2H,d,J=9.0Hz),7.69(1H,s),7.93(2H,d,J=8.4Hz),8.12(1H,s)
HR-ESI-MS:calcd C16H13ClF3N4O2Na[M-HCl+Na]+,
373.0883,found,373.0907 ・ Amine hydrochloride 56
A 4MHCl in 1,4-dioxane solution (0.46 mL) of the amide 55 (20.78 mg, 0.0461 mmol) was stirred at room temperature for 2.5 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure. Amine hydrochloride 56 (16.94 mg, 95%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 5.52 (2H, s), 6.67 (1H, d, J = 3.0Hz), 7.28 (1H, d, J = 3.0Hz), 7.65 (2H, d, J = 9.0Hz), 7.69 (1H, s), 7.93 (2H, d, J = 8.4Hz), 8.12 (1H, s)
HR-ESI-MS: calcd C 16 H 13 ClF 3 N 4 O 2 Na [M-HCl + Na] + ,
373.083, found, 373.907
アミド体55(20.78mg,0.0461mmol)の4MHCl in 1,4-dioxane溶液(0.46mL)を窒素雰囲気下、室温で2.5時間攪拌した。溶媒を減圧留去した。アミン塩酸塩56(16.94mg,95%)を得た。
1HNMR 600MHz in MeOH-d4 5.52(2H,s),6.67(1H,d,J=3.0Hz),7.28(1H,d,J=3.0Hz),7.65(2H,d,J=9.0Hz),7.69(1H,s),7.93(2H,d,J=8.4Hz),8.12(1H,s)
HR-ESI-MS:calcd C16H13ClF3N4O2Na[M-HCl+Na]+,
373.0883,found,373.0907 ・ Amine hydrochloride 56
A 4MHCl in 1,4-dioxane solution (0.46 mL) of the amide 55 (20.78 mg, 0.0461 mmol) was stirred at room temperature for 2.5 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure. Amine hydrochloride 56 (16.94 mg, 95%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 5.52 (2H, s), 6.67 (1H, d, J = 3.0Hz), 7.28 (1H, d, J = 3.0Hz), 7.65 (2H, d, J = 9.0Hz), 7.69 (1H, s), 7.93 (2H, d, J = 8.4Hz), 8.12 (1H, s)
HR-ESI-MS: calcd C 16 H 13 ClF 3 N 4 O 2 Na [M-HCl + Na] + ,
373.083, found, 373.907
・KUSC-5049
アミン塩酸塩56(16.94mg,0.0438mmol)のジクロロメタン溶液(0.44mL)にトリエチルアミン(6.7μL,0.0482mmol)を加えて、45分間反応させた。塩化プロピオニル(4.8μL,0.0549mmol)を加えて、室温で21時間反応させた。水で反応を停止し、酢酸エチルで抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。分取TLC(CHCl3/MeOH=20:1)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=30:70)にて精製し、KUSC-5049(7.92mg,44%)を得た。
1HNMR 500MHz in MeOH-d4 1.18(3H,t,J=8.0Hz),2.34(2H,q,J=8.0Hz),5.41(2H,s),6.61(1H,d,J=3.5Hz),7.24(1H,d,J=3.5Hz),7.65(2H,d,J=8.5Hz),7.92(2H,d,J=8.0Hz),8.06(1H,s)
HR-ESI-MS:calcd C19H17F3N4O3Na[M+Na]+,
429.1145,found,429.1145
・ KUSC-5049
Triethylamine (6.7 μL, 0.0482 mmol) was added to a dichloromethane solution (0.44 mL) of amine hydrochloride 56 (16.94 mg, 0.0438 mmol), and the mixture was reacted for 45 minutes. Propionyl chloride (4.8 μL, 0.0549 mmol) was added and reacted at room temperature for 21 hours. The reaction was stopped with water, extracted with ethyl acetate, and washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Purified by preparative TLC (CHCl 3 / MeOH = 20: 1). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 30: 70) to obtain KUSC-5049 (7.92 mg, 44%).
1 1 HNMR 500MHz in MeOH-d4 1.18 (3H, t, J = 8.0Hz), 2.34 (2H, q, J = 8.0Hz), 5.41 (2H, s), 6.61 ( 1H, d, J = 3.5Hz), 7.24 (1H, d, J = 3.5Hz), 7.65 (2H, d, J = 8.5Hz), 7.92 (2H, d, J) = 8.0Hz), 8.06 (1H, s)
HR-ESI-MS: calcd C 19 H 17 F 3 N 4 O 3 Na [M + Na] + ,
429.1145, found, 429.1145
アミン塩酸塩56(16.94mg,0.0438mmol)のジクロロメタン溶液(0.44mL)にトリエチルアミン(6.7μL,0.0482mmol)を加えて、45分間反応させた。塩化プロピオニル(4.8μL,0.0549mmol)を加えて、室温で21時間反応させた。水で反応を停止し、酢酸エチルで抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。分取TLC(CHCl3/MeOH=20:1)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=30:70)にて精製し、KUSC-5049(7.92mg,44%)を得た。
1HNMR 500MHz in MeOH-d4 1.18(3H,t,J=8.0Hz),2.34(2H,q,J=8.0Hz),5.41(2H,s),6.61(1H,d,J=3.5Hz),7.24(1H,d,J=3.5Hz),7.65(2H,d,J=8.5Hz),7.92(2H,d,J=8.0Hz),8.06(1H,s)
HR-ESI-MS:calcd C19H17F3N4O3Na[M+Na]+,
429.1145,found,429.1145
Triethylamine (6.7 μL, 0.0482 mmol) was added to a dichloromethane solution (0.44 mL) of amine hydrochloride 56 (16.94 mg, 0.0438 mmol), and the mixture was reacted for 45 minutes. Propionyl chloride (4.8 μL, 0.0549 mmol) was added and reacted at room temperature for 21 hours. The reaction was stopped with water, extracted with ethyl acetate, and washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Purified by preparative TLC (CHCl 3 / MeOH = 20: 1). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 30: 70) to obtain KUSC-5049 (7.92 mg, 44%).
1 1 HNMR 500MHz in MeOH-d4 1.18 (3H, t, J = 8.0Hz), 2.34 (2H, q, J = 8.0Hz), 5.41 (2H, s), 6.61 ( 1H, d, J = 3.5Hz), 7.24 (1H, d, J = 3.5Hz), 7.65 (2H, d, J = 8.5Hz), 7.92 (2H, d, J) = 8.0Hz), 8.06 (1H, s)
HR-ESI-MS: calcd C 19 H 17 F 3 N 4 O 3 Na [M + Na] + ,
429.1145, found, 429.1145
・エステル体58,59
5-メチルー3-ニトロピラゾール(14.9mg,0.117mmol)のDMF溶液4.5mLに1-ブロモメチルー3-ピラゾールカルボン酸エチル(30mg,0.129mmol),K2CO3(33.5mg,0.242mmol)を添加し、室温で6.2時間攪拌した。水で反応を停止させ、CHCl3で抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣を分取TLCで (Hexane/AcOEt=3:1)にて精製し 、エステル体58(19.31mg,59%),エステル体59(7.84mg,24%)を得た。 -Ester bodies 58, 59
Ethyl 1-bromomethyl-3-pyrazole carboxylate (30 mg, 0.129 mmol) in 4.5 mL of DMF solution of 5-methyl-3-nitropyrazole (14.9 mg, 0.117 mmol), K 2 CO 3 (33.5 mg, 0) .242 mmol) was added, and the mixture was stirred at room temperature for 6.2 hours. The reaction was stopped with water, extraction was performed with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by preparative TLC (Hexane / AcOEt = 3: 1) to obtain ester 58 (19.31 mg, 59%) and ester 59 (7.84 mg, 24%).
5-メチルー3-ニトロピラゾール(14.9mg,0.117mmol)のDMF溶液4.5mLに1-ブロモメチルー3-ピラゾールカルボン酸エチル(30mg,0.129mmol),K2CO3(33.5mg,0.242mmol)を添加し、室温で6.2時間攪拌した。水で反応を停止させ、CHCl3で抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣を分取TLCで (Hexane/AcOEt=3:1)にて精製し 、エステル体58(19.31mg,59%),エステル体59(7.84mg,24%)を得た。 -Ester bodies 58, 59
Ethyl 1-bromomethyl-3-pyrazole carboxylate (30 mg, 0.129 mmol) in 4.5 mL of DMF solution of 5-methyl-3-nitropyrazole (14.9 mg, 0.117 mmol), K 2 CO 3 (33.5 mg, 0) .242 mmol) was added, and the mixture was stirred at room temperature for 6.2 hours. The reaction was stopped with water, extraction was performed with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by preparative TLC (Hexane / AcOEt = 3: 1) to obtain ester 58 (19.31 mg, 59%) and ester 59 (7.84 mg, 24%).
エステル体58
1HNMR 600MHz in CDCl3 1.38(3H,t,J=6.6Hz),4.38(2H,q,J=6.6Hz),6.39(2H,s),6.66(1H,s),6.83(1H,d,J=2.4Hz),7.75(1H,d,J=3.0Hz)
HR-ESI-MS:calcd C11H13N5NaO4[M+Na]+,
302.0860,found,302.0870 Ester body 58
1 1 HNMR 600MHz in CDCl 3 1.38 (3H, t, J = 6.6Hz), 4.38 (2H, q, J = 6.6Hz), 6.39 (2H, s), 6.66 (1H) , S), 6.83 (1H, d, J = 2.4Hz), 7.75 (1H, d, J = 3.0Hz)
HR-ESI-MS: calcd C 11 H 13 N 5 NaO 4 [M + Na] + ,
302.0860, found, 302.0870
HR-ESI-MS:calcd C11H13N5NaO4[M+Na]+,
302.0860,found,302.0870 Ester body 58
HR-ESI-MS: calcd C 11 H 13 N 5 NaO 4 [M + Na] + ,
302.0860, found, 302.0870
エステル体59
1HNMR 600MHz in CDCl3 1.37(3H,t,J=7.2Hz),2.30(3H,s),4.37(2H,q,J=6.6Hz),6.76(2H,s),6.81(1H,d,J=2.4Hz),6.90(1H,s),7.71(1H,d,J=3.0Hz)
HR-ESI-MS:calcd C11H14N5O4[M+H]+,
280.1040,found,280.1010 Ester body 59
1 1 HNMR 600MHz in CDCl 3 1.37 (3H, t, J = 7.2Hz), 2.30 (3H, s), 4.37 (2H, q, J = 6.6Hz), 6.76 (2H) , S), 6.81 (1H, d, J = 2.4Hz), 6.90 (1H, s), 7.71 (1H, d, J = 3.0Hz)
HR-ESI-MS: calcd C 11 H 14 N 5 O 4 [M + H] + ,
280.1040, found, 280.010
HR-ESI-MS:calcd C11H14N5O4[M+H]+,
280.1040,found,280.1010 Ester body 59
HR-ESI-MS: calcd C 11 H 14 N 5 O 4 [M + H] + ,
280.1040, found, 280.010
・カルボン酸中間体60
エステル体58(19.95mg,0.0714mmol)のMeOH(1.05mL)と水(0.35mL)の混合溶液に2M水酸化ナトリウム水溶液(54μL,0.108mmol)を加えて、45℃で14時間反応させた。1M塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体60(17.73mg,99%)を得た。
1HNMR 600MHz in MeOH-d4 2.58(3H,s),6.51(2H,s),6.74(1H,s),6.81(1H,d,J=2.4Hz),7.99(1H,d,J=2.4Hz)
HR-ESI-MS:calcd C9H9N5NaO4[M+Na]+,
274.0547,found,274.0561 Carboxylic acid intermediate 60
A 2M aqueous sodium hydroxide solution (54 μL, 0.108 mmol) was added to a mixed solution of ester 58 (19.95 mg, 0.0714 mmol) in MeOH (1.05 mL) and water (0.35 mL), and 14 at 45 ° C. Reacted for time. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with CHCl3 at pH = 2. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 60 (17.73 mg, 99%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 2.58 (3H, s), 6.51 (2H, s), 6.74 (1H, s), 6.81 (1H, d, J = 2.4Hz), 7.9 (1H, d, J = 2.4Hz)
HR-ESI-MS: calcd C 9 H 9 N 5 NaO 4 [M + Na] + ,
274.0547, found, 274.0561
エステル体58(19.95mg,0.0714mmol)のMeOH(1.05mL)と水(0.35mL)の混合溶液に2M水酸化ナトリウム水溶液(54μL,0.108mmol)を加えて、45℃で14時間反応させた。1M塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体60(17.73mg,99%)を得た。
1HNMR 600MHz in MeOH-d4 2.58(3H,s),6.51(2H,s),6.74(1H,s),6.81(1H,d,J=2.4Hz),7.99(1H,d,J=2.4Hz)
HR-ESI-MS:calcd C9H9N5NaO4[M+Na]+,
274.0547,found,274.0561 Carboxylic acid intermediate 60
A 2M aqueous sodium hydroxide solution (54 μL, 0.108 mmol) was added to a mixed solution of ester 58 (19.95 mg, 0.0714 mmol) in MeOH (1.05 mL) and water (0.35 mL), and 14 at 45 ° C. Reacted for time. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with CHCl3 at pH = 2. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 60 (17.73 mg, 99%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 2.58 (3H, s), 6.51 (2H, s), 6.74 (1H, s), 6.81 (1H, d, J = 2.4Hz), 7.9 (1H, d, J = 2.4Hz)
HR-ESI-MS: calcd C 9 H 9 N 5 NaO 4 [M + Na] + ,
274.0547, found, 274.0561
・KUSC-5034
カルボン酸中間体60(17.73mg,0.0706mmol)のCH2Cl2溶液 0.55mlに、DIPEA(24.6μL,0.141mmol)、HATU(27.0mg,0.0705mmol)を添加し、室温で30分間攪拌した。反応溶液にp-ブロモアニリン(13.4mg,0.0776mmol)を添加し、室温で22時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥し、溶媒を減圧留去した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5034(21.26mg,75%)を得た。
1HNMR 500MHz in DMSO-d6 2.63(3H,s),6.62(2H,s),6.87(1H,d,J=2.5Hz),6.92(1H,s),7.51(2H,d,J=8.5Hz),7.74(2H,d,J=9.5Hz),8.18(1H,d,J=2.5Hz),10.15(1H,s)
HMQC,HMBCで相関を確認した。
HR-ESI-MS:calcd C15H13BrN6NaO3[M+Na]+,
429.0105,found,429.0102
・ KUSC-5034
DIPEA (24.6 μL, 0.141 mmol) and HATU (27.0 mg, 0.0705 mmol) were added to 0.55 ml of a CH 2 Cl 2 solution of carboxylic acid intermediate 60 (17.73 mg, 0.0706 mmol). The mixture was stirred at room temperature for 30 minutes. P-Bromoaniline (13.4 mg, 0.07776 mmol) was added to the reaction solution, and the mixture was stirred at room temperature for 22 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 60: 40) to obtain KUSC-5034 (21.26 mg, 75%).
1 1 HNMR 500MHz in DMSO-d 6 2.63 (3H, s), 6.62 (2H, s), 6.87 (1H, d, J = 2.5Hz), 6.92 (1H, s), 7.51 (2H, d, J = 8.5Hz), 7.74 (2H, d, J = 9.5Hz), 8.18 (1H, d, J = 2.5Hz), 10.15 (1H) , S)
Correlation was confirmed by HMQC and HMBC.
HR-ESI-MS: calcd C 15 H 13 BrN 6 NaO 3 [M + Na] + ,
429.0105, found, 429.0102
カルボン酸中間体60(17.73mg,0.0706mmol)のCH2Cl2溶液 0.55mlに、DIPEA(24.6μL,0.141mmol)、HATU(27.0mg,0.0705mmol)を添加し、室温で30分間攪拌した。反応溶液にp-ブロモアニリン(13.4mg,0.0776mmol)を添加し、室温で22時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を合わせて硫酸ナトリウムで乾燥し、溶媒を減圧留去した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=60:40)にて精製し、KUSC-5034(21.26mg,75%)を得た。
1HNMR 500MHz in DMSO-d6 2.63(3H,s),6.62(2H,s),6.87(1H,d,J=2.5Hz),6.92(1H,s),7.51(2H,d,J=8.5Hz),7.74(2H,d,J=9.5Hz),8.18(1H,d,J=2.5Hz),10.15(1H,s)
HMQC,HMBCで相関を確認した。
HR-ESI-MS:calcd C15H13BrN6NaO3[M+Na]+,
429.0105,found,429.0102
DIPEA (24.6 μL, 0.141 mmol) and HATU (27.0 mg, 0.0705 mmol) were added to 0.55 ml of a CH 2 Cl 2 solution of carboxylic acid intermediate 60 (17.73 mg, 0.0706 mmol). The mixture was stirred at room temperature for 30 minutes. P-Bromoaniline (13.4 mg, 0.07776 mmol) was added to the reaction solution, and the mixture was stirred at room temperature for 22 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layers were combined and dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 60: 40) to obtain KUSC-5034 (21.26 mg, 75%).
1 1 HNMR 500MHz in DMSO-d 6 2.63 (3H, s), 6.62 (2H, s), 6.87 (1H, d, J = 2.5Hz), 6.92 (1H, s), 7.51 (2H, d, J = 8.5Hz), 7.74 (2H, d, J = 9.5Hz), 8.18 (1H, d, J = 2.5Hz), 10.15 (1H) , S)
Correlation was confirmed by HMQC and HMBC.
HR-ESI-MS: calcd C 15 H 13 BrN 6 NaO 3 [M + Na] + ,
429.0105, found, 429.0102
・エステル体61
エステル体58(36.35mg,0.130mmol)のMeOH(1.35mL)とTHF(0.45mL)の混合溶液に(Boc)2O(33μL,0.144mmol)と5%Pd/C(18.1mg)を加えて、水素雰囲気下、22時間反応させた。セライトでろ過し、溶媒を留去した。残渣を分取TLC(Hexane/AcOEt=1:1)で精製した。エステル体61(31.9mg,70%)を得た。
1HNMR 600MHz in CDCl3 1.37(3H,t,J=7.2Hz),1.45(9H,s),2.37(3H,s),4.37(2H,q,J=7.2Hz),6.30(2H,s),6.40(1H,s),6.75(1H,d,J=2.4Hz),7.54(1H,s),8.36(1H,s)
HR-ESI-MS:calcd C16H23N5NaO4[M+Na]+,
372.1643,found,372.1675 -Ester body 61
In a mixed solution of ester 58 (36.35 mg, 0.130 mmol) of MeOH (1.35 mL) and THF (0.45 mL), (Boc) 2 O (33 μL, 0.144 mmol) and 5% Pd / C (18). .1 mg) was added, and the mixture was reacted for 22 hours under a hydrogen atmosphere. The solvent was distilled off by filtering with cerite. The residue was purified by preparative TLC (Hexane / AcOEt = 1: 1). Ester 61 (31.9 mg, 70%) was obtained.
1 1 HNMR 600MHz in CDCl 3 1.37 (3H, t, J = 7.2Hz), 1.45 (9H, s), 2.37 (3H, s), 4.37 (2H, q, J = 7) .2Hz), 6.30 (2H, s), 6.40 (1H, s), 6.75 (1H, d, J = 2.4Hz), 7.54 (1H, s), 8.36 ( 1H, s)
HR-ESI-MS: calcd C 16 H 23 N 5 NaO 4 [M + Na] + ,
372.1643, found, 372.167
エステル体58(36.35mg,0.130mmol)のMeOH(1.35mL)とTHF(0.45mL)の混合溶液に(Boc)2O(33μL,0.144mmol)と5%Pd/C(18.1mg)を加えて、水素雰囲気下、22時間反応させた。セライトでろ過し、溶媒を留去した。残渣を分取TLC(Hexane/AcOEt=1:1)で精製した。エステル体61(31.9mg,70%)を得た。
1HNMR 600MHz in CDCl3 1.37(3H,t,J=7.2Hz),1.45(9H,s),2.37(3H,s),4.37(2H,q,J=7.2Hz),6.30(2H,s),6.40(1H,s),6.75(1H,d,J=2.4Hz),7.54(1H,s),8.36(1H,s)
HR-ESI-MS:calcd C16H23N5NaO4[M+Na]+,
372.1643,found,372.1675 -Ester body 61
In a mixed solution of ester 58 (36.35 mg, 0.130 mmol) of MeOH (1.35 mL) and THF (0.45 mL), (Boc) 2 O (33 μL, 0.144 mmol) and 5% Pd / C (18). .1 mg) was added, and the mixture was reacted for 22 hours under a hydrogen atmosphere. The solvent was distilled off by filtering with cerite. The residue was purified by preparative TLC (Hexane / AcOEt = 1: 1). Ester 61 (31.9 mg, 70%) was obtained.
1 1 HNMR 600MHz in CDCl 3 1.37 (3H, t, J = 7.2Hz), 1.45 (9H, s), 2.37 (3H, s), 4.37 (2H, q, J = 7) .2Hz), 6.30 (2H, s), 6.40 (1H, s), 6.75 (1H, d, J = 2.4Hz), 7.54 (1H, s), 8.36 ( 1H, s)
HR-ESI-MS: calcd C 16 H 23 N 5 NaO 4 [M + Na] + ,
372.1643, found, 372.167
・カルボン酸中間体62
エステル中間体61(25.25mg,0.0723mmol)のMeOH(1.2mL)と水(0.4mL)の混合溶液に2M水酸化ナトリウム水溶液(54μL,0.108mmol)を加えて、45℃で20時間反応させた。1M塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体62(20.68mg,89%)を得た。
1HNMR 600MHz in MeOH-d4 1.49(9H,s),2.43(3H,s),6.17(1H,s),6.24(2H,s),6.77(1H,d,J=1.8Hz),7.81(1H,d,J=2.4Hz)
HR-ESI-MS:calcd C14H19N5NaO4[M+Na]+,
344.1330,found,344.1306 -Carboxylic acid intermediate 62
A 2M aqueous sodium hydroxide solution (54 μL, 0.108 mmol) was added to a mixed solution of MeOH (1.2 mL) and water (0.4 mL) of ester intermediate 61 (25.25 mg, 0.0723 mmol) at 45 ° C. It was allowed to react for 20 hours. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with CHCl3 at pH = 2. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 62 (20.68 mg, 89%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.49 (9H, s), 2.43 (3H, s), 6.17 (1H, s), 6.24 (2H, s), 6.77 (1H, d, J = 1.8Hz), 7.81 (1H, d, J = 2.4Hz)
HR-ESI-MS: calcd C 14 H 19 N 5 NaO 4 [M + Na] + ,
344.1330, found, 344.1306
エステル中間体61(25.25mg,0.0723mmol)のMeOH(1.2mL)と水(0.4mL)の混合溶液に2M水酸化ナトリウム水溶液(54μL,0.108mmol)を加えて、45℃で20時間反応させた。1M塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体62(20.68mg,89%)を得た。
1HNMR 600MHz in MeOH-d4 1.49(9H,s),2.43(3H,s),6.17(1H,s),6.24(2H,s),6.77(1H,d,J=1.8Hz),7.81(1H,d,J=2.4Hz)
HR-ESI-MS:calcd C14H19N5NaO4[M+Na]+,
344.1330,found,344.1306 -Carboxylic acid intermediate 62
A 2M aqueous sodium hydroxide solution (54 μL, 0.108 mmol) was added to a mixed solution of MeOH (1.2 mL) and water (0.4 mL) of ester intermediate 61 (25.25 mg, 0.0723 mmol) at 45 ° C. It was allowed to react for 20 hours. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with CHCl3 at pH = 2. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 62 (20.68 mg, 89%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.49 (9H, s), 2.43 (3H, s), 6.17 (1H, s), 6.24 (2H, s), 6.77 (1H, d, J = 1.8Hz), 7.81 (1H, d, J = 2.4Hz)
HR-ESI-MS: calcd C 14 H 19 N 5 NaO 4 [M + Na] + ,
344.1330, found, 344.1306
・アミド体63
カルボン酸中間体62(15.0mg,0.0467mmol)のCH2Cl2溶液(0.63mL)にDIPEA(16.3μL,0.0936mmol),HATU(17.7mg,0.0466mmol)を加えて、窒素雰囲気下、20分攪拌した。4-トリフルオロメチルアニリン(9.0μL,0.0717mmol)を加えて室温で18時間攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を留去し、残渣を分取TLC(Hexane/AcOEt=1:1)で精製した。アミド体63(18.1mg,86%)を得た。
1HNMR 600MHz in MeOH-d4 1.46(9H,s),2.43(3H,s),6.17(1H,s),6.26(2H,s),6.83(1H,d,J=2.4Hz),7.61(1H,d,J=9.0Hz),7.85(1H,d,J=1.2Hz),7.89(2H,d,J=9.0Hz),7.91(1H,s)
HR-ESI-MS:calcd C21H23F3N6NaO3[M+Na]+,
487.1676,found,487.1700 ・ Amide 63
Add DIPEA (16.3 μL, 0.0936 mmol) and HATU (17.7 mg, 0.0466 mmol) to a CH 2 Cl 2 solution (0.63 mL) of carboxylic acid intermediate 62 (15.0 mg, 0.0467 mmol). , Stirred for 20 minutes under a nitrogen atmosphere. 4-Trifluoromethylaniline (9.0 μL, 0.0717 mmol) was added, and the mixture was stirred at room temperature for 18 hours. The reaction was stopped with water and extraction was performed with ethyl acetate. The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off, and the residue was purified by preparative TLC (Hexane / AcOEt = 1: 1). An amide form 63 (18.1 mg, 86%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.46 (9H, s), 2.43 (3H, s), 6.17 (1H, s), 6.26 (2H, s), 6.83 (1H, d, J = 2.4Hz), 7.61 (1H, d, J = 9.0Hz), 7.85 (1H, d, J = 1.2Hz), 7.89 (2H, d, J = 9) .0Hz), 7.91 (1H, s)
HR-ESI-MS: calcd C 21 H 23 F 3 N 6 NaO 3 [M + Na] + ,
487.1676, found, 487.1700
カルボン酸中間体62(15.0mg,0.0467mmol)のCH2Cl2溶液(0.63mL)にDIPEA(16.3μL,0.0936mmol),HATU(17.7mg,0.0466mmol)を加えて、窒素雰囲気下、20分攪拌した。4-トリフルオロメチルアニリン(9.0μL,0.0717mmol)を加えて室温で18時間攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を留去し、残渣を分取TLC(Hexane/AcOEt=1:1)で精製した。アミド体63(18.1mg,86%)を得た。
1HNMR 600MHz in MeOH-d4 1.46(9H,s),2.43(3H,s),6.17(1H,s),6.26(2H,s),6.83(1H,d,J=2.4Hz),7.61(1H,d,J=9.0Hz),7.85(1H,d,J=1.2Hz),7.89(2H,d,J=9.0Hz),7.91(1H,s)
HR-ESI-MS:calcd C21H23F3N6NaO3[M+Na]+,
487.1676,found,487.1700 ・ Amide 63
Add DIPEA (16.3 μL, 0.0936 mmol) and HATU (17.7 mg, 0.0466 mmol) to a CH 2 Cl 2 solution (0.63 mL) of carboxylic acid intermediate 62 (15.0 mg, 0.0467 mmol). , Stirred for 20 minutes under a nitrogen atmosphere. 4-Trifluoromethylaniline (9.0 μL, 0.0717 mmol) was added, and the mixture was stirred at room temperature for 18 hours. The reaction was stopped with water and extraction was performed with ethyl acetate. The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off, and the residue was purified by preparative TLC (Hexane / AcOEt = 1: 1). An amide form 63 (18.1 mg, 86%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.46 (9H, s), 2.43 (3H, s), 6.17 (1H, s), 6.26 (2H, s), 6.83 (1H, d, J = 2.4Hz), 7.61 (1H, d, J = 9.0Hz), 7.85 (1H, d, J = 1.2Hz), 7.89 (2H, d, J = 9) .0Hz), 7.91 (1H, s)
HR-ESI-MS: calcd C 21 H 23 F 3 N 6 NaO 3 [M + Na] + ,
487.1676, found, 487.1700
・アミン塩酸塩64
アミド体63(17.64mg,0.0380mmol)の4MHCl in 1,4-dioxane溶液(0.38mL)を窒素雰囲気下、室温で4時間攪拌した。溶媒を減圧留去した。アミン塩酸塩64(16.22mg)を得た。
1HNMR 600MHz in MeOH-d4 2.59(3H,s),6.09(1H,s),6.46(2H,s),6.90(1H,d,J=2.4Hz),7.65(2H,d,J=9.0Hz),7.93(2H,d,J=9.0Hz),7.98(1H,d,J=3.0Hz)
HR-ESI-MS:calcd C16H15F3N6NaO[M-HCl+Na]+,
387.1152,found,387.1167 ・ Amine hydrochloride 64
A 4MHCl in 1,4-dioxane solution (0.38 mL) of amide 63 (17.64 mg, 0.0380 mmol) was stirred at room temperature for 4 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure. Amine hydrochloride 64 (16.22 mg) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 2.59 (3H, s), 6.09 (1H, s), 6.46 (2H, s), 6.90 (1H, d, J = 2.4Hz), 7.65 (2H, d, J = 9.0Hz), 7.93 (2H, d, J = 9.0Hz), 7.98 (1H, d, J = 3.0Hz)
HR-ESI-MS: calcd C 16 H 15 F 3 N 6 NaO [M-HCl + Na] + ,
387.1152, found, 387.1167
アミド体63(17.64mg,0.0380mmol)の4MHCl in 1,4-dioxane溶液(0.38mL)を窒素雰囲気下、室温で4時間攪拌した。溶媒を減圧留去した。アミン塩酸塩64(16.22mg)を得た。
1HNMR 600MHz in MeOH-d4 2.59(3H,s),6.09(1H,s),6.46(2H,s),6.90(1H,d,J=2.4Hz),7.65(2H,d,J=9.0Hz),7.93(2H,d,J=9.0Hz),7.98(1H,d,J=3.0Hz)
HR-ESI-MS:calcd C16H15F3N6NaO[M-HCl+Na]+,
387.1152,found,387.1167 ・ Amine hydrochloride 64
A 4MHCl in 1,4-dioxane solution (0.38 mL) of amide 63 (17.64 mg, 0.0380 mmol) was stirred at room temperature for 4 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure. Amine hydrochloride 64 (16.22 mg) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 2.59 (3H, s), 6.09 (1H, s), 6.46 (2H, s), 6.90 (1H, d, J = 2.4Hz), 7.65 (2H, d, J = 9.0Hz), 7.93 (2H, d, J = 9.0Hz), 7.98 (1H, d, J = 3.0Hz)
HR-ESI-MS: calcd C 16 H 15 F 3 N 6 NaO [M-HCl + Na] + ,
387.1152, found, 387.1167
・KUSC-5048
アミン塩酸塩64(16.22mg,0.0405mmol)のCH2Cl2溶液(0.40mL)にトリエチルアミン(7.0μL,0.0504mmol)を加えて、30分間反応させた。塩化プロピオニル(3.9μL,0.0446mmol)を加えて、室温で23時間反応させた。水で反応を停止し、酢酸エチルで抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を留去した。分取TLC(CHCl3/MeOH=20:1)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=50:50)にて精製し、KUSC-5048(6.69mg,42%,2 steps)を得た。
1HNMR 500MHz in MeOH-d4 1.17(3H,t,J=7.5Hz),2.36(2H,q,J=7.5Hz),6.33(2H,s),6.40(1H,s),6.86(1H,d,J=2.5Hz),7.64(2H,d,J=8.5Hz),7.88(1H,d,J=2.5Hz),7.93(2H,d,J=8.5Hz)
HR-ESI-MS:calcd C19H19F3N6NaO2 [M+Na]+,
443.1414,found,443.1420 ・ KUSC-5048
Triethylamine (7.0 μL, 0.0504 mmol) was added to a CH 2 Cl 2 solution (0.40 mL) of amine hydrochloride 64 (16.22 mg, 0.0405 mmol), and the mixture was reacted for 30 minutes. Propionyl chloride (3.9 μL, 0.0446 mmol) was added and reacted at room temperature for 23 hours. The reaction was stopped with water, extracted with ethyl acetate, and washed with saturated brine. The organic layer was dried over sodium sulfate and the solvent was distilled off. Purified by preparative TLC (CHCl 3 / MeOH = 20: 1). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 50: 50), and KUSC-5048 (6.69 mg, 42%, 2 steps) was added. Obtained.
1 1 HNMR 500MHz in MeOH-d 4 1.17 (3H, t, J = 7.5Hz), 2.36 (2H, q, J = 7.5Hz), 6.33 (2H, s), 6.40 (1H, s), 6.86 (1H, d, J = 2.5Hz), 7.64 (2H, d, J = 8.5Hz), 7.88 (1H, d, J = 2.5Hz) , 7.93 (2H, d, J = 8.5Hz)
HR-ESI-MS: calcd C 19 H 19 F 3 N 6 NaO 2 [M + Na] + ,
443.1414, found, 443.1420
アミン塩酸塩64(16.22mg,0.0405mmol)のCH2Cl2溶液(0.40mL)にトリエチルアミン(7.0μL,0.0504mmol)を加えて、30分間反応させた。塩化プロピオニル(3.9μL,0.0446mmol)を加えて、室温で23時間反応させた。水で反応を停止し、酢酸エチルで抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を留去した。分取TLC(CHCl3/MeOH=20:1)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=50:50)にて精製し、KUSC-5048(6.69mg,42%,2 steps)を得た。
1HNMR 500MHz in MeOH-d4 1.17(3H,t,J=7.5Hz),2.36(2H,q,J=7.5Hz),6.33(2H,s),6.40(1H,s),6.86(1H,d,J=2.5Hz),7.64(2H,d,J=8.5Hz),7.88(1H,d,J=2.5Hz),7.93(2H,d,J=8.5Hz)
HR-ESI-MS:calcd C19H19F3N6NaO2 [M+Na]+,
443.1414,found,443.1420 ・ KUSC-5048
Triethylamine (7.0 μL, 0.0504 mmol) was added to a CH 2 Cl 2 solution (0.40 mL) of amine hydrochloride 64 (16.22 mg, 0.0405 mmol), and the mixture was reacted for 30 minutes. Propionyl chloride (3.9 μL, 0.0446 mmol) was added and reacted at room temperature for 23 hours. The reaction was stopped with water, extracted with ethyl acetate, and washed with saturated brine. The organic layer was dried over sodium sulfate and the solvent was distilled off. Purified by preparative TLC (CHCl 3 / MeOH = 20: 1). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 50: 50), and KUSC-5048 (6.69 mg, 42%, 2 steps) was added. Obtained.
1 1 HNMR 500MHz in MeOH-d 4 1.17 (3H, t, J = 7.5Hz), 2.36 (2H, q, J = 7.5Hz), 6.33 (2H, s), 6.40 (1H, s), 6.86 (1H, d, J = 2.5Hz), 7.64 (2H, d, J = 8.5Hz), 7.88 (1H, d, J = 2.5Hz) , 7.93 (2H, d, J = 8.5Hz)
HR-ESI-MS: calcd C 19 H 19 F 3 N 6 NaO 2 [M + Na] + ,
443.1414, found, 443.1420
・エステル体65,66
3-メチルー4-ニトロピラゾール(21.8mg,0.172mmol)のDMF溶液(0.95mL)にK2CO3(47.4mg,0.343mmol),1-(ブロモメチル)-3-カルボン酸エチル(40.2mg,0.172mmol)を加えて、室温で21.8時間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、得られた残渣をSiO2 flash colum n chromatography (Hexane/AcOEt=1:1)にて精製し 、エステル体65(14.20mg,30%),エステル体66(19.73mg,41%)を得た。 -Ester bodies 65, 66
K 2 CO 3 (47.4 mg, 0.343 mmol), ethyl 1- (bromomethyl) -3-carboxylate in a DMF solution (0.95 mL) of 3-methyl-4-nitropyrazole (21.8 mg, 0.172 mmol). (40.2 mg, 0.172 mmol) was added, and the mixture was stirred at room temperature for 21.8 hours. The reaction was stopped with water and extracted with ethyl acetate. The organic layer was washed with saturated brine and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the obtained residue was purified by SiO 2 flash color n chromatography (Hexane / AcOEt = 1: 1), and the ester body 65 (14.20 mg, 30%) and the ester body 66 (19. 73 mg, 41%) was obtained.
3-メチルー4-ニトロピラゾール(21.8mg,0.172mmol)のDMF溶液(0.95mL)にK2CO3(47.4mg,0.343mmol),1-(ブロモメチル)-3-カルボン酸エチル(40.2mg,0.172mmol)を加えて、室温で21.8時間攪拌した。水で反応を停止し、酢酸エチルで抽出した。有機層を飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、得られた残渣をSiO2 flash colum n chromatography (Hexane/AcOEt=1:1)にて精製し 、エステル体65(14.20mg,30%),エステル体66(19.73mg,41%)を得た。 -Ester bodies 65, 66
K 2 CO 3 (47.4 mg, 0.343 mmol), ethyl 1- (bromomethyl) -3-carboxylate in a DMF solution (0.95 mL) of 3-methyl-4-nitropyrazole (21.8 mg, 0.172 mmol). (40.2 mg, 0.172 mmol) was added, and the mixture was stirred at room temperature for 21.8 hours. The reaction was stopped with water and extracted with ethyl acetate. The organic layer was washed with saturated brine and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the obtained residue was purified by SiO 2 flash color n chromatography (Hexane / AcOEt = 1: 1), and the ester body 65 (14.20 mg, 30%) and the ester body 66 (19. 73 mg, 41%) was obtained.
・エステル体65
1HNMR 500MHz in CDCl3 1.39(3H,t,J=7.2Hz),2.86(3H,s),4.39(2H,q,J=7.2Hz),6.36(2H,s),6.84(1H,d,J=2.4Hz),7.70(1H,d,J=2.4Hz),8.11(1H,s)
HMQC、HMBCで相関を確認した。
HR-ESI-MS:calcd C11H13N5NaO4[M+Na]+,302.0860,found,302.0829 -Ester body 65
1 1 HNMR 500MHz in CDCl 3 1.39 (3H, t, J = 7.2Hz), 2.86 (3H, s), 4.39 (2H, q, J = 7.2Hz), 6.36 (2H) , S), 6.84 (1H, d, J = 2.4Hz), 7.70 (1H, d, J = 2.4Hz), 8.11 (1H, s)
Correlation was confirmed by HMQC and HMBC.
HR-ESI-MS: calcd C 11 H 13 N 5 NaO 4 [M + Na] + , 302.0860, found, 302.0829
HMQC、HMBCで相関を確認した。
HR-ESI-MS:calcd C11H13N5NaO4[M+Na]+,302.0860,found,302.0829 -Ester body 65
Correlation was confirmed by HMQC and HMBC.
HR-ESI-MS: calcd C 11 H 13 N 5 NaO 4 [M + Na] + , 302.0860, found, 302.0829
・エステル体66
1HNMR 500MHz in CDCl3 1.39(3H,t,J=7.2Hz),2.51(3H,s),4.41(2H,q,J=7.2Hz),6.29(2H,s),6.86(1H,d,J=3.0Hz),7.74(1H,d,J=3.0Hz),8.43(1H,s)
HMQC、HMBCで相関を確認した。
HR-ESI-MS:calcd C11H13N5NaO4[M+Na]+,302.0860,found,302.0828 -Ester body 66
1 1 HNMR 500MHz in CDCl 3 1.39 (3H, t, J = 7.2Hz), 2.51 (3H, s), 4.41 (2H, q, J = 7.2Hz), 6.29 (2H) , S), 6.86 (1H, d, J = 3.0Hz), 7.74 (1H, d, J = 3.0Hz), 8.43 (1H, s)
Correlation was confirmed by HMQC and HMBC.
HR-ESI-MS: calcd C 11 H 13 N 5 NaO 4 [M + Na] + , 302.0860, found, 302.0828
1HNMR 500MHz in CDCl3 1.39(3H,t,J=7.2Hz),2.51(3H,s),4.41(2H,q,J=7.2Hz),6.29(2H,s),6.86(1H,d,J=3.0Hz),7.74(1H,d,J=3.0Hz),8.43(1H,s)
HMQC、HMBCで相関を確認した。
HR-ESI-MS:calcd C11H13N5NaO4[M+Na]+,302.0860,found,302.0828 -Ester body 66
1 1 HNMR 500MHz in CDCl 3 1.39 (3H, t, J = 7.2Hz), 2.51 (3H, s), 4.41 (2H, q, J = 7.2Hz), 6.29 (2H) , S), 6.86 (1H, d, J = 3.0Hz), 7.74 (1H, d, J = 3.0Hz), 8.43 (1H, s)
Correlation was confirmed by HMQC and HMBC.
HR-ESI-MS: calcd C 11 H 13 N 5 NaO 4 [M + Na] + , 302.0860, found, 302.0828
・エステル体67
エステル体65(11.66mg,0.0418mmol)のMeOH(0.42mL)とTHF(0.42mL)の混合溶液に(Boc)2O(11μL,0.235mmol)と5%Pd/C(5.91mg)を加えて、水素雰囲気下、9時間反応させた。セライトでろ過し、溶媒を減圧留去した。分取TLC(CHCl3/AcOEt=9:1)で精製を行い、エステル体67(13.37mg,92%)を得た。
1HNMR 500MHz in CDCl3 1.39(3H,t,J=7.2Hz),1.48(9H,s),2.17(3H,s),4.40(2H,q,J=7.2Hz), 5.97(1H,br),6.20(2H,s),6.79(1H,d,J=1.8Hz),7.59(1H,s),7.89(1H,br)
HR-ESI-MS:calcd C16H23N5NaO4[M+Na]+,372.1643,found,372.1614 -Ester body 67
(Boc) 2 O (11 μL, 0.235 mmol) and 5% Pd / C (5) in a mixed solution of ester 65 (11.66 mg, 0.0418 mmol) in MeOH (0.42 mL) and THF (0.42 mL). .91 mg) was added, and the mixture was reacted for 9 hours under a hydrogen atmosphere. The mixture was filtered through cerite and the solvent was distilled off under reduced pressure. Purification was performed by preparative TLC (CHCl3 / AcOEt = 9: 1) to obtain ester 67 (13.37 mg, 92%).
1 1 HNMR 500MHz in CDCl 3 1.39 (3H, t, J = 7.2Hz), 1.48 (9H, s), 2.17 (3H, s), 4.40 (2H, q, J = 7) .2Hz), 5.97 (1H, br), 6.20 (2H, s), 6.79 (1H, d, J = 1.8Hz), 7.59 (1H, s), 7.89 ( 1H, br)
HR-ESI-MS: calcd C 16 H 23 N 5 NaO 4 [M + Na] + , 372.1643, found, 372.614
エステル体65(11.66mg,0.0418mmol)のMeOH(0.42mL)とTHF(0.42mL)の混合溶液に(Boc)2O(11μL,0.235mmol)と5%Pd/C(5.91mg)を加えて、水素雰囲気下、9時間反応させた。セライトでろ過し、溶媒を減圧留去した。分取TLC(CHCl3/AcOEt=9:1)で精製を行い、エステル体67(13.37mg,92%)を得た。
1HNMR 500MHz in CDCl3 1.39(3H,t,J=7.2Hz),1.48(9H,s),2.17(3H,s),4.40(2H,q,J=7.2Hz), 5.97(1H,br),6.20(2H,s),6.79(1H,d,J=1.8Hz),7.59(1H,s),7.89(1H,br)
HR-ESI-MS:calcd C16H23N5NaO4[M+Na]+,372.1643,found,372.1614 -Ester body 67
(Boc) 2 O (11 μL, 0.235 mmol) and 5% Pd / C (5) in a mixed solution of ester 65 (11.66 mg, 0.0418 mmol) in MeOH (0.42 mL) and THF (0.42 mL). .91 mg) was added, and the mixture was reacted for 9 hours under a hydrogen atmosphere. The mixture was filtered through cerite and the solvent was distilled off under reduced pressure. Purification was performed by preparative TLC (CHCl3 / AcOEt = 9: 1) to obtain ester 67 (13.37 mg, 92%).
1 1 HNMR 500MHz in CDCl 3 1.39 (3H, t, J = 7.2Hz), 1.48 (9H, s), 2.17 (3H, s), 4.40 (2H, q, J = 7) .2Hz), 5.97 (1H, br), 6.20 (2H, s), 6.79 (1H, d, J = 1.8Hz), 7.59 (1H, s), 7.89 ( 1H, br)
HR-ESI-MS: calcd C 16 H 23 N 5 NaO 4 [M + Na] + , 372.1643, found, 372.614
・カルボン酸中間体68
エステル体67(13.32mg,0.0381mmol)のMeOH(0.72mL)と水(0.24mL)の混合溶液に2M水酸化ナトリウム水溶液(29μL,0.058mmol)を加えて、45℃で20時間反応させた。1M塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体68(12.92mg,97%)を得た。
1HNMR 500MHz in MeOH-d4 1.49(9H,s),2.13(3H,s),6.28(2H,s),6.78(1H,d,J=2.4Hz),7.86(1H,d,J=3.0Hz),7.91(1H,s),7.93(1H,br),8.42(1H,br)
HR-ESI-MS:calcd C14H19N5NaO4[M+Na]+,344.1330,found,344.1301 -Carboxylic acid intermediate 68
To a mixed solution of ester 67 (13.32 mg, 0.0381 mmol) with MeOH (0.72 mL) and water (0.24 mL), add 2 M aqueous sodium hydroxide solution (29 μL, 0.058 mmol) and add 20 at 45 ° C. Reacted for time. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with CHCl 3 at pH = 2. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 68 (12.92 mg, 97%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 1.49 (9H, s), 2.13 (3H, s), 6.28 (2H, s), 6.78 (1H, d, J = 2.4Hz), 7.86 (1H, d, J = 3.0Hz), 7.91 (1H, s), 7.93 (1H, br), 8.42 (1H, br)
HR-ESI-MS: calcd C 14 H 19 N 5 NaO 4 [M + Na] + , 344.1330, found, 344.1301
エステル体67(13.32mg,0.0381mmol)のMeOH(0.72mL)と水(0.24mL)の混合溶液に2M水酸化ナトリウム水溶液(29μL,0.058mmol)を加えて、45℃で20時間反応させた。1M塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体68(12.92mg,97%)を得た。
1HNMR 500MHz in MeOH-d4 1.49(9H,s),2.13(3H,s),6.28(2H,s),6.78(1H,d,J=2.4Hz),7.86(1H,d,J=3.0Hz),7.91(1H,s),7.93(1H,br),8.42(1H,br)
HR-ESI-MS:calcd C14H19N5NaO4[M+Na]+,344.1330,found,344.1301 -Carboxylic acid intermediate 68
To a mixed solution of ester 67 (13.32 mg, 0.0381 mmol) with MeOH (0.72 mL) and water (0.24 mL), add 2 M aqueous sodium hydroxide solution (29 μL, 0.058 mmol) and add 20 at 45 ° C. Reacted for time. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with CHCl 3 at pH = 2. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 68 (12.92 mg, 97%) was obtained.
1 1 HNMR 500MHz in MeOH-d 4 1.49 (9H, s), 2.13 (3H, s), 6.28 (2H, s), 6.78 (1H, d, J = 2.4Hz), 7.86 (1H, d, J = 3.0Hz), 7.91 (1H, s), 7.93 (1H, br), 8.42 (1H, br)
HR-ESI-MS: calcd C 14 H 19 N 5 NaO 4 [M + Na] + , 344.1330, found, 344.1301
・アミド体69
カルボン酸中間体68(12.92mg,0.0412mmol)のジクロロメタン溶液(0.56mL)にDIPEA(14μL,0.0804mmol),HATU(16.4mg,0.0432mmol)を加えて、窒素雰囲気下、20分攪拌した。4-トリフルオロメチルアニリン(5.7μL,0.0453mmol)を加えて室温で18時間攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を留去し、得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、アミド体69(13.41mg)を得た。 ・ Amide 69
DIPEA (14 μL, 0.0804 mmol) and HATU (16.4 mg, 0.0432 mmol) were added to a dichloromethane solution (0.56 mL) of carboxylic acid intermediate 68 (12.92 mg, 0.0412 mmol) under a nitrogen atmosphere. The mixture was stirred for 20 minutes. 4-Trifluoromethylaniline (5.7 μL, 0.0453 mmol) was added, and the mixture was stirred at room temperature for 18 hours. The reaction was stopped with water and extraction was performed with ethyl acetate. The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off, and the obtained residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1) to obtain an amide compound 69 (13.41 mg).
カルボン酸中間体68(12.92mg,0.0412mmol)のジクロロメタン溶液(0.56mL)にDIPEA(14μL,0.0804mmol),HATU(16.4mg,0.0432mmol)を加えて、窒素雰囲気下、20分攪拌した。4-トリフルオロメチルアニリン(5.7μL,0.0453mmol)を加えて室温で18時間攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を留去し、得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、アミド体69(13.41mg)を得た。 ・ Amide 69
DIPEA (14 μL, 0.0804 mmol) and HATU (16.4 mg, 0.0432 mmol) were added to a dichloromethane solution (0.56 mL) of carboxylic acid intermediate 68 (12.92 mg, 0.0412 mmol) under a nitrogen atmosphere. The mixture was stirred for 20 minutes. 4-Trifluoromethylaniline (5.7 μL, 0.0453 mmol) was added, and the mixture was stirred at room temperature for 18 hours. The reaction was stopped with water and extraction was performed with ethyl acetate. The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off, and the obtained residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1) to obtain an amide compound 69 (13.41 mg).
・アミン塩酸塩70
アミド体69(13.41mg)の4MHCl in 1,4-dioxane溶液(0.40mL)を窒素雰囲気下、室温で4時間攪拌した。溶媒を減圧留去した。得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=65:35,0.05%TFA)にて精製し、アミン塩酸塩70(5.48mg,34%,2 steps)を得た。
1HNMR 500MHz in MeOH-d4 2.27(3H,s),6.43(2H,s),6.88(1H,d,J=2.4Hz),7.66(2H,d,J=9.0Hz),7.94(2H,d,J=9.0Hz),7.97(1H,d,J=1.8Hz),8.06(1H,s)
HR-ESI-MS:calcd C16H15F3N6NaO[M-HCl+Na]+,387.1152,found,387.1125 ・ Amine hydrochloride 70
A 4MHCl in 1,4-dioxane solution (0.40 mL) of the amide compound 69 (13.41 mg) was stirred at room temperature for 4 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure. The obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 65: 35, 0.05% TFA), and amine hydrochloride 70 (5.48 mg, 34%) was purified. , 2 steps).
1 1 HNMR 500MHz in MeOH-d 4 2.27 (3H, s), 6.43 (2H, s), 6.88 (1H, d, J = 2.4Hz), 7.66 (2H, d, J) = 9.0Hz), 7.94 (2H, d, J = 9.0Hz), 7.97 (1H, d, J = 1.8Hz), 8.06 (1H, s)
HR-ESI-MS: calcd C 16 H 15 F 3 N 6 NaO [M-HCl + Na] + , 387.1152 found, 387.11.125
アミド体69(13.41mg)の4MHCl in 1,4-dioxane溶液(0.40mL)を窒素雰囲気下、室温で4時間攪拌した。溶媒を減圧留去した。得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=65:35,0.05%TFA)にて精製し、アミン塩酸塩70(5.48mg,34%,2 steps)を得た。
1HNMR 500MHz in MeOH-d4 2.27(3H,s),6.43(2H,s),6.88(1H,d,J=2.4Hz),7.66(2H,d,J=9.0Hz),7.94(2H,d,J=9.0Hz),7.97(1H,d,J=1.8Hz),8.06(1H,s)
HR-ESI-MS:calcd C16H15F3N6NaO[M-HCl+Na]+,387.1152,found,387.1125 ・ Amine hydrochloride 70
A 4MHCl in 1,4-dioxane solution (0.40 mL) of the amide compound 69 (13.41 mg) was stirred at room temperature for 4 hours under a nitrogen atmosphere. The solvent was distilled off under reduced pressure. The obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 65: 35, 0.05% TFA), and amine hydrochloride 70 (5.48 mg, 34%) was purified. , 2 steps).
1 1 HNMR 500MHz in MeOH-d 4 2.27 (3H, s), 6.43 (2H, s), 6.88 (1H, d, J = 2.4Hz), 7.66 (2H, d, J) = 9.0Hz), 7.94 (2H, d, J = 9.0Hz), 7.97 (1H, d, J = 1.8Hz), 8.06 (1H, s)
HR-ESI-MS: calcd C 16 H 15 F 3 N 6 NaO [M-HCl + Na] + , 387.1152 found, 387.11.125
・KUSC-5052
アミン塩酸塩70(5.48mg,0.0137mmol)のCH2Cl2溶液(0.14mL)にトリエチルアミン(4.8μL,0.0342mmol)を加えて、30分間反応させた。塩化プロピオニル(1.3μL,0.217mmol)を加えて、室温で2日間反応させた。水で反応を停止し、CHCl3で抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を留去した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=45:55)にて精製し、KUSC-5052(3.38mg,59%)を得た。
1HNMR 500MHz in MeOH-d4 1.23(3H,t,J=7.5Hz),2.39(2H,q,J=7.5Hz),6.18(2H,s),6.87(1H,s),6.90(1H,d,J=2.5Hz),7.61(2H,d,J=8.0Hz),7.67(1H,d,J=7.5Hz),7.84(2H,d,J=8.0Hz),8.26(1H,br),8.90(1H,s)
HR-ESI-MS:calcd C19H19F3N6NaO2 [M+Na]+,
443.1414,found,443.1428
・ KUSC-5052
Triethylamine (4.8 μL, 0.0342 mmol) was added to CH 2 Cl 2 solution (0.14 mL) of amine hydrochloride 70 (5.48 mg, 0.0137 mmol), and the mixture was reacted for 30 minutes. Propionyl chloride (1.3 μL, 0.217 mmol) was added and reacted at room temperature for 2 days. The reaction was stopped with water, extracted with CHCl 3 , and washed with saturated brine. The organic layer was dried over sodium sulfate and the solvent was distilled off. Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 45: 55) to obtain KUSC-5052 (3.38 mg, 59%).
1 1 HNMR 500MHz in MeOH-d 4 1.23 (3H, t, J = 7.5Hz), 2.39 (2H, q, J = 7.5Hz), 6.18 (2H, s), 6.87 (1H, s), 6.90 (1H, d, J = 2.5Hz), 7.61 (2H, d, J = 8.0Hz), 7.67 (1H, d, J = 7.5Hz) , 7.84 (2H, d, J = 8.0Hz), 8.26 (1H, br), 8.90 (1H, s)
HR-ESI-MS: calcd C 19 H 19 F 3 N 6 NaO 2 [M + Na] + ,
443.1414, found, 443.1.1428
アミン塩酸塩70(5.48mg,0.0137mmol)のCH2Cl2溶液(0.14mL)にトリエチルアミン(4.8μL,0.0342mmol)を加えて、30分間反応させた。塩化プロピオニル(1.3μL,0.217mmol)を加えて、室温で2日間反応させた。水で反応を停止し、CHCl3で抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を留去した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=45:55)にて精製し、KUSC-5052(3.38mg,59%)を得た。
1HNMR 500MHz in MeOH-d4 1.23(3H,t,J=7.5Hz),2.39(2H,q,J=7.5Hz),6.18(2H,s),6.87(1H,s),6.90(1H,d,J=2.5Hz),7.61(2H,d,J=8.0Hz),7.67(1H,d,J=7.5Hz),7.84(2H,d,J=8.0Hz),8.26(1H,br),8.90(1H,s)
HR-ESI-MS:calcd C19H19F3N6NaO2 [M+Na]+,
443.1414,found,443.1428
Triethylamine (4.8 μL, 0.0342 mmol) was added to CH 2 Cl 2 solution (0.14 mL) of amine hydrochloride 70 (5.48 mg, 0.0137 mmol), and the mixture was reacted for 30 minutes. Propionyl chloride (1.3 μL, 0.217 mmol) was added and reacted at room temperature for 2 days. The reaction was stopped with water, extracted with CHCl 3 , and washed with saturated brine. The organic layer was dried over sodium sulfate and the solvent was distilled off. Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 45: 55) to obtain KUSC-5052 (3.38 mg, 59%).
1 1 HNMR 500MHz in MeOH-d 4 1.23 (3H, t, J = 7.5Hz), 2.39 (2H, q, J = 7.5Hz), 6.18 (2H, s), 6.87 (1H, s), 6.90 (1H, d, J = 2.5Hz), 7.61 (2H, d, J = 8.0Hz), 7.67 (1H, d, J = 7.5Hz) , 7.84 (2H, d, J = 8.0Hz), 8.26 (1H, br), 8.90 (1H, s)
HR-ESI-MS: calcd C 19 H 19 F 3 N 6 NaO 2 [M + Na] + ,
443.1414, found, 443.1.1428
・エステル体71
4-ピラゾールカルボン酸メチル(100mg,0.793mmol)のアセトン溶液(2.2mL)にK2CO3(547.9mg,3.96mmol)と臭化ベンジル(94μL,0.790mmol)を加えて、窒素雰囲気下56℃で22時間反応させた。水で反応を停止し、CHCl3で抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (Hexane/AcOEt=7:3)にて精製し 、エステル体71(162.55mg,95%)を得た。
1HNMRは文献値と一致した。 -Ester body 71
K 2 CO 3 (547.9 mg, 3.96 mmol) and benzyl bromide (94 μL, 0.790 mmol) were added to an acetone solution (2.2 mL) of methyl 4-pyrazolecarboxylate (100 mg, 0.793 mmol). The reaction was carried out at 56 ° C. for 22 hours under a nitrogen atmosphere. The reaction was stopped with water, extracted with CHCl 3 , and washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 flash color n chromatography (Hexane / AcOEt = 7: 3) to obtain an ester body 71 (162.55 mg, 95%).
1 1 HNMR was in agreement with the literature value.
4-ピラゾールカルボン酸メチル(100mg,0.793mmol)のアセトン溶液(2.2mL)にK2CO3(547.9mg,3.96mmol)と臭化ベンジル(94μL,0.790mmol)を加えて、窒素雰囲気下56℃で22時間反応させた。水で反応を停止し、CHCl3で抽出し、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (Hexane/AcOEt=7:3)にて精製し 、エステル体71(162.55mg,95%)を得た。
1HNMRは文献値と一致した。 -Ester body 71
K 2 CO 3 (547.9 mg, 3.96 mmol) and benzyl bromide (94 μL, 0.790 mmol) were added to an acetone solution (2.2 mL) of methyl 4-pyrazolecarboxylate (100 mg, 0.793 mmol). The reaction was carried out at 56 ° C. for 22 hours under a nitrogen atmosphere. The reaction was stopped with water, extracted with CHCl 3 , and washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 flash color n chromatography (Hexane / AcOEt = 7: 3) to obtain an ester body 71 (162.55 mg, 95%).
1 1 HNMR was in agreement with the literature value.
・カルボン酸中間体72
エステル体71(159.21mg,0.736mmol)のMeOH(11.1mL)と水(3.7mL)の混合溶液に2MNaOH溶液(0.55mL,1.11mmol)を加えて、45℃で11時間反応させた。1M塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体72(150.49mg,100%)を得た。
1HNMRは文献値と一致した。 -Carboxylic acid intermediate 72
A 2M NaOH solution (0.55 mL, 1.11 mmol) was added to a mixed solution of ester 71 (159.21 mg, 0.736 mmol) with MeOH (11.1 mL) and water (3.7 mL), and the mixture was added at 45 ° C. for 11 hours. It was reacted. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with CHCl 3 at pH = 2. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 72 (150.49 mg, 100%) was obtained.
1 1 HNMR was in agreement with the literature value.
エステル体71(159.21mg,0.736mmol)のMeOH(11.1mL)と水(3.7mL)の混合溶液に2MNaOH溶液(0.55mL,1.11mmol)を加えて、45℃で11時間反応させた。1M塩酸で反応を停止し、pH=2としてCHCl3で抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体72(150.49mg,100%)を得た。
1HNMRは文献値と一致した。 -Carboxylic acid intermediate 72
A 2M NaOH solution (0.55 mL, 1.11 mmol) was added to a mixed solution of ester 71 (159.21 mg, 0.736 mmol) with MeOH (11.1 mL) and water (3.7 mL), and the mixture was added at 45 ° C. for 11 hours. It was reacted. The reaction was stopped with 1M hydrochloric acid, and extraction was performed with CHCl 3 at pH = 2. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 72 (150.49 mg, 100%) was obtained.
1 1 HNMR was in agreement with the literature value.
・アミド体73
カルボン酸中間体72(149.24mg,0.744mmol)のジクロロメタン溶液(4.6mL)にDIPEA(193μL,1.12mmol),DMAP(14.0mg,0.111mmol)を加えて室温で5分攪拌した。EDC・HCl(212.2mg,1.12mmol)を加えて室温で20時間反応させた。飽和重曹水で反応を停止し、CHCl3で抽出を行った。有機層を飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、アミド体73(150.09mg,89%)を得た。
1HNMRは文献値と一致した。 -Amid body 73
Add DIPEA (193 μL, 1.12 mmol) and DMAP (14.0 mg, 0.111 mmol) to a dichloromethane solution (4.6 mL) of carboxylic acid intermediate 72 (149.24 mg, 0.744 mmol) and stir at room temperature for 5 minutes. did. EDC HCl (212.2 mg, 1.12 mmol) was added and reacted at room temperature for 20 hours. The reaction was stopped with saturated aqueous sodium hydrogen carbonate, and extraction was performed with CHCl 3 . The organic layer was washed with saturated brine and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chloroform n chromatography (CHCl3 / MeOH = 20: 1) to obtain an amide form 73 (150.09 mg, 89%).
1 1 HNMR was in agreement with the literature value.
カルボン酸中間体72(149.24mg,0.744mmol)のジクロロメタン溶液(4.6mL)にDIPEA(193μL,1.12mmol),DMAP(14.0mg,0.111mmol)を加えて室温で5分攪拌した。EDC・HCl(212.2mg,1.12mmol)を加えて室温で20時間反応させた。飽和重曹水で反応を停止し、CHCl3で抽出を行った。有機層を飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、アミド体73(150.09mg,89%)を得た。
1HNMRは文献値と一致した。 -Amid body 73
Add DIPEA (193 μL, 1.12 mmol) and DMAP (14.0 mg, 0.111 mmol) to a dichloromethane solution (4.6 mL) of carboxylic acid intermediate 72 (149.24 mg, 0.744 mmol) and stir at room temperature for 5 minutes. did. EDC HCl (212.2 mg, 1.12 mmol) was added and reacted at room temperature for 20 hours. The reaction was stopped with saturated aqueous sodium hydrogen carbonate, and extraction was performed with CHCl 3 . The organic layer was washed with saturated brine and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chloroform n chromatography (CHCl3 / MeOH = 20: 1) to obtain an amide form 73 (150.09 mg, 89%).
1 1 HNMR was in agreement with the literature value.
・アミド体74
アミド体73(71.02mg,0.310mmol)のtBuOH溶液(14.2mL)にギ酸(1.42mL,0.0376mmol),5%Pd/C(284mg)を加えて窒素雰囲気下、50℃で14時間反応させた。セライトろ過を行い、溶媒を減圧留去した。アミド体74(57.6mg)を得た。
1HNMRは文献値と一致した。 ・ Amide body 74
Formic acid (1.42 mL, 0.0376 mmol) and 5% Pd / C (284 mg) were added to a tBuOH solution (14.2 mL) of the amide 73 (71.02 mg, 0.310 mmol) at 50 ° C. under a nitrogen atmosphere. It was allowed to react for 14 hours. Cerite filtration was performed, and the solvent was distilled off under reduced pressure. An amide 74 (57.6 mg) was obtained.
1 1 HNMR was in agreement with the literature value.
アミド体73(71.02mg,0.310mmol)のtBuOH溶液(14.2mL)にギ酸(1.42mL,0.0376mmol),5%Pd/C(284mg)を加えて窒素雰囲気下、50℃で14時間反応させた。セライトろ過を行い、溶媒を減圧留去した。アミド体74(57.6mg)を得た。
1HNMRは文献値と一致した。 ・ Amide body 74
Formic acid (1.42 mL, 0.0376 mmol) and 5% Pd / C (284 mg) were added to a tBuOH solution (14.2 mL) of the amide 73 (71.02 mg, 0.310 mmol) at 50 ° C. under a nitrogen atmosphere. It was allowed to react for 14 hours. Cerite filtration was performed, and the solvent was distilled off under reduced pressure. An amide 74 (57.6 mg) was obtained.
1 1 HNMR was in agreement with the literature value.
・エステル体75
アミド中間体74(57.6mg,0.414mmol)のアセトン溶液(1.15mL)にK2CO3(285.8mg,2.07mmol)1-(ブロモメチル)ピラゾールー3-カルボン酸エチル(96.5mg,0.414mmol)を加えて50℃で2日間反応させた。水で反応を停止し、酢酸エチルで抽出を行った。有機層を飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、エステル体75(52.68mg,58%, 2 steps)を得た。
1HNMR 600MHz in CDCl3 1.17(3H,t,J=6.6Hz),1.38(3H,t,J=6.6Hz),3.39(2H,q,J=6.6Hz),4.38(2H,q,J=6.6Hz),6.09(1H,br)6.33(2H,s),6.81(1H,d,J=1.8Hz),7.69(1H,d,J=2.4Hz),7.83(1H,s),8.12(1H,s)
HR-ESI-MS:calcd C13H17N5O3[M+Na]+,
314.1224,found,314.1223 -Ester body 75
Ethyl K 2 CO 3 (285.8 mg, 2.07 mmol) 1- (bromomethyl) pyrazole-3-carboxylate (96.5 mg) in an acetone solution (1.15 mL) of amide intermediate 74 (57.6 mg, 0.414 mmol). , 0.414 mmol) was added and the mixture was reacted at 50 ° C. for 2 days. The reaction was stopped with water and extraction was performed with ethyl acetate. The organic layer was washed with saturated brine and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chloroform n chromatography (CHCl3 / MeOH = 20: 1) to obtain an ester 75 (52.68 mg, 58%, 2 steps).
1 1 HNMR 600MHz in CDCl 3 1.17 (3H, t, J = 6.6Hz), 1.38 (3H, t, J = 6.6Hz), 3.39 (2H, q, J = 6.6Hz) , 4.38 (2H, q, J = 6.6Hz), 6.09 (1H, br) 6.33 (2H, s), 6.81 (1H, d, J = 1.8Hz), 7. 69 (1H, d, J = 2.4Hz), 7.83 (1H, s), 8.12 (1H, s)
HR-ESI-MS: calcd C 13 H 17 N 5 O 3 [M + Na] + ,
314.1224, found, 314.1223
アミド中間体74(57.6mg,0.414mmol)のアセトン溶液(1.15mL)にK2CO3(285.8mg,2.07mmol)1-(ブロモメチル)ピラゾールー3-カルボン酸エチル(96.5mg,0.414mmol)を加えて50℃で2日間反応させた。水で反応を停止し、酢酸エチルで抽出を行った。有機層を飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を減圧留去し、残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、エステル体75(52.68mg,58%, 2 steps)を得た。
1HNMR 600MHz in CDCl3 1.17(3H,t,J=6.6Hz),1.38(3H,t,J=6.6Hz),3.39(2H,q,J=6.6Hz),4.38(2H,q,J=6.6Hz),6.09(1H,br)6.33(2H,s),6.81(1H,d,J=1.8Hz),7.69(1H,d,J=2.4Hz),7.83(1H,s),8.12(1H,s)
HR-ESI-MS:calcd C13H17N5O3[M+Na]+,
314.1224,found,314.1223 -Ester body 75
Ethyl K 2 CO 3 (285.8 mg, 2.07 mmol) 1- (bromomethyl) pyrazole-3-carboxylate (96.5 mg) in an acetone solution (1.15 mL) of amide intermediate 74 (57.6 mg, 0.414 mmol). , 0.414 mmol) was added and the mixture was reacted at 50 ° C. for 2 days. The reaction was stopped with water and extraction was performed with ethyl acetate. The organic layer was washed with saturated brine and dried over sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by SiO 2 chloroform n chromatography (CHCl3 / MeOH = 20: 1) to obtain an ester 75 (52.68 mg, 58%, 2 steps).
1 1 HNMR 600MHz in CDCl 3 1.17 (3H, t, J = 6.6Hz), 1.38 (3H, t, J = 6.6Hz), 3.39 (2H, q, J = 6.6Hz) , 4.38 (2H, q, J = 6.6Hz), 6.09 (1H, br) 6.33 (2H, s), 6.81 (1H, d, J = 1.8Hz), 7. 69 (1H, d, J = 2.4Hz), 7.83 (1H, s), 8.12 (1H, s)
HR-ESI-MS: calcd C 13 H 17 N 5 O 3 [M + Na] + ,
314.1224, found, 314.1223
・カルボン酸中間体76
エステル体75(34mg,0.117mmol)のMeOH(2.25mL)と水(0.75mL)の混合溶媒に2MNaOH水溶液(88μL,0.176mmol)を加えて50℃で13時間攪拌した。1MHClでpH=2とし、酢酸エチルで抽出した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体76(31.16mg,100%)を得た。
1HNMR 600MHz in MeOH-d4 1.18(3H,t,J=6.6Hz),3.33(2H,q,J=6.6Hz),6.47(2H,s),6.79(1H,d,J=1.8Hz),7.91(1H,s),7.95(1H,d,J=2.4Hz),8.34(1H,s)
HR-ESI-MS:calcd C11H14N5O3[M+H]+,
264.1091,found,264.1093 -Carboxylic acid intermediate 76
A 2M NaOH aqueous solution (88 μL, 0.176 mmol) was added to a mixed solvent of MeOH (2.25 mL) of ester 75 (34 mg, 0.117 mmol) and water (0.75 mL), and the mixture was stirred at 50 ° C. for 13 hours. The pH was adjusted to 2 with 1 MHCl, and the mixture was extracted with ethyl acetate. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 76 (31.16 mg, 100%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.18 (3H, t, J = 6.6Hz), 3.33 (2H, q, J = 6.6Hz), 6.47 (2H, s), 6.79 (1H, d, J = 1.8Hz), 7.91 (1H, s), 7.95 (1H, d, J = 2.4Hz), 8.34 (1H, s)
HR-ESI-MS: calcd C 11 H 14 N 5 O 3 [M + H] + ,
264.1091, found, 264.1093
エステル体75(34mg,0.117mmol)のMeOH(2.25mL)と水(0.75mL)の混合溶媒に2MNaOH水溶液(88μL,0.176mmol)を加えて50℃で13時間攪拌した。1MHClでpH=2とし、酢酸エチルで抽出した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体76(31.16mg,100%)を得た。
1HNMR 600MHz in MeOH-d4 1.18(3H,t,J=6.6Hz),3.33(2H,q,J=6.6Hz),6.47(2H,s),6.79(1H,d,J=1.8Hz),7.91(1H,s),7.95(1H,d,J=2.4Hz),8.34(1H,s)
HR-ESI-MS:calcd C11H14N5O3[M+H]+,
264.1091,found,264.1093 -Carboxylic acid intermediate 76
A 2M NaOH aqueous solution (88 μL, 0.176 mmol) was added to a mixed solvent of MeOH (2.25 mL) of ester 75 (34 mg, 0.117 mmol) and water (0.75 mL), and the mixture was stirred at 50 ° C. for 13 hours. The pH was adjusted to 2 with 1 MHCl, and the mixture was extracted with ethyl acetate. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 76 (31.16 mg, 100%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 1.18 (3H, t, J = 6.6Hz), 3.33 (2H, q, J = 6.6Hz), 6.47 (2H, s), 6.79 (1H, d, J = 1.8Hz), 7.91 (1H, s), 7.95 (1H, d, J = 2.4Hz), 8.34 (1H, s)
HR-ESI-MS: calcd C 11 H 14 N 5 O 3 [M + H] + ,
264.1091, found, 264.1093
・KUSC-5055
カルボン酸中間体76(29.13mg,0.111mmol)のジクロロメタン溶液(1.5mL)にDIPEA(78μL,0.221mmol),HATU(42.6mg,0.112mmol)を加えて、窒素雰囲気下、30分攪拌した。4-トリフルオロメチルアニリン(15.3μL,0.122mmol)を加えて室温で14時間攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を留去し、得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=45:55)にて精製し、KUSC-5055(23.81mg,53%)を得た。
1HNMR 600MHz in MeOH-d4 1.17(3H,t,J=7.2Hz),3.33(2H,q,J=7.2Hz),6.52(2H,s),6.87(1H,d,J=3.0Hz),7.64(2H,d,J=9.0Hz),7.94(2H,d,J=9.0Hz),7.97(1H,s),7.99(1H,d,J=2.0Hz), 8.37(1H,s)
HR-ESI-MS:calcd C18H17F3N6NaO2[M+Na]+,
429.1258,found,429.1289
・ KUSC-5055
DIPEA (78 μL, 0.221 mmol) and HATU (42.6 mg, 0.112 mmol) were added to a dichloromethane solution (1.5 mL) of carboxylic acid intermediate 76 (29.13 mg, 0.111 mmol) under a nitrogen atmosphere. The mixture was stirred for 30 minutes. 4-Trifluoromethylaniline (15.3 μL, 0.122 mmol) was added, and the mixture was stirred at room temperature for 14 hours. The reaction was stopped with water and extraction was performed with ethyl acetate. The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off, and the obtained residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1), and then the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent:). Purification with CH 3 CN / H 2 O = 45: 55) gave KUSC-5055 (23.81 mg, 53%).
1 1 HNMR 600MHz in MeOH-d 4 1.17 (3H, t, J = 7.2Hz), 3.33 (2H, q, J = 7.2Hz), 6.52 (2H, s), 6.87 (1H, d, J = 3.0Hz), 7.64 (2H, d, J = 9.0Hz), 7.94 (2H, d, J = 9.0Hz), 7.97 (1H, s) , 7.99 (1H, d, J = 2.0Hz), 8.37 (1H, s)
HR-ESI-MS: calcd C 18 H 17 F 3 N 6 NaO 2 [M + Na] + ,
429.1258, found, 429.1289
カルボン酸中間体76(29.13mg,0.111mmol)のジクロロメタン溶液(1.5mL)にDIPEA(78μL,0.221mmol),HATU(42.6mg,0.112mmol)を加えて、窒素雰囲気下、30分攪拌した。4-トリフルオロメチルアニリン(15.3μL,0.122mmol)を加えて室温で14時間攪拌した。水で反応を停止し、酢酸エチルで抽出を行った。有機層を飽和重曹水、飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。溶媒を留去し、得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=20:1)にて精製し 、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=45:55)にて精製し、KUSC-5055(23.81mg,53%)を得た。
1HNMR 600MHz in MeOH-d4 1.17(3H,t,J=7.2Hz),3.33(2H,q,J=7.2Hz),6.52(2H,s),6.87(1H,d,J=3.0Hz),7.64(2H,d,J=9.0Hz),7.94(2H,d,J=9.0Hz),7.97(1H,s),7.99(1H,d,J=2.0Hz), 8.37(1H,s)
HR-ESI-MS:calcd C18H17F3N6NaO2[M+Na]+,
429.1258,found,429.1289
DIPEA (78 μL, 0.221 mmol) and HATU (42.6 mg, 0.112 mmol) were added to a dichloromethane solution (1.5 mL) of carboxylic acid intermediate 76 (29.13 mg, 0.111 mmol) under a nitrogen atmosphere. The mixture was stirred for 30 minutes. 4-Trifluoromethylaniline (15.3 μL, 0.122 mmol) was added, and the mixture was stirred at room temperature for 14 hours. The reaction was stopped with water and extraction was performed with ethyl acetate. The organic layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, and dried over sodium sulfate. The solvent was distilled off, and the obtained residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1), and then the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent:). Purification with CH 3 CN / H 2 O = 45: 55) gave KUSC-5055 (23.81 mg, 53%).
1 1 HNMR 600MHz in MeOH-d 4 1.17 (3H, t, J = 7.2Hz), 3.33 (2H, q, J = 7.2Hz), 6.52 (2H, s), 6.87 (1H, d, J = 3.0Hz), 7.64 (2H, d, J = 9.0Hz), 7.94 (2H, d, J = 9.0Hz), 7.97 (1H, s) , 7.99 (1H, d, J = 2.0Hz), 8.37 (1H, s)
HR-ESI-MS: calcd C 18 H 17 F 3 N 6 NaO 2 [M + Na] + ,
429.1258, found, 429.1289
・Ns保護体77
KUSC-5035(9.5mg,0.0246mmol)のジクロロメタン溶液(0.12mL)にトリエチルアミン(17.1μL,0.123mmol)を加えて窒素雰囲気下、室温で25分間反応させた。塩化2-ニトロベンゼンスルホニル(5.5mg,0.0248mmol)を加えて、室温で13時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。分取TLC(CHCl3/MeOH=20:1)で精製し、Ns保護体77(6.12mg,47%)を得た。
1HNMR 600MHz in CDCl3 6.22(2H,s),6.91(1H,d,J=2.4Hz),7.04(1H,s),7.32(1H,s),7.54(1H,t,J=7.8Hz),7.62-67(4H,m),7.32-45(2H,m),7.83(2H,d,J=9.0Hz)
HR-ESI-MS:calcd C21H16F3N7O5SNa[M+Na]+,
558.0778,found,558.0796 ・ Ns protecting body 77
Triethylamine (17.1 μL, 0.123 mmol) was added to a dichloromethane solution (0.12 mL) of KUSC-5035 (9.5 mg, 0.0246 mmol), and the mixture was reacted at room temperature for 25 minutes under a nitrogen atmosphere. 2-Nitrobenzenesulfonyl chloride (5.5 mg, 0.0248 mmol) was added and the mixture was stirred at room temperature for 13 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layer was washed with saturated brine and dried over sodium sulfate. Purification with preparative TLC (CHCl 3 / MeOH = 20: 1) gave Ns-protected 77 (6.12 mg, 47%).
1 1 HNMR 600MHz in CDCl 3 6.22 (2H, s), 6.91 (1H, d, J = 2.4Hz), 7.04 (1H, s), 7.32 (1H, s), 7. 54 (1H, t, J = 7.8Hz), 7.62-67 (4H, m), 7.32-45 (2H, m), 7.83 (2H, d, J = 9.0Hz)
HR-ESI-MS: calcd C 21 H 16 F 3 N 7 O 5 SNa [M + Na] + ,
558.0778, found, 558.07796
KUSC-5035(9.5mg,0.0246mmol)のジクロロメタン溶液(0.12mL)にトリエチルアミン(17.1μL,0.123mmol)を加えて窒素雰囲気下、室温で25分間反応させた。塩化2-ニトロベンゼンスルホニル(5.5mg,0.0248mmol)を加えて、室温で13時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。分取TLC(CHCl3/MeOH=20:1)で精製し、Ns保護体77(6.12mg,47%)を得た。
1HNMR 600MHz in CDCl3 6.22(2H,s),6.91(1H,d,J=2.4Hz),7.04(1H,s),7.32(1H,s),7.54(1H,t,J=7.8Hz),7.62-67(4H,m),7.32-45(2H,m),7.83(2H,d,J=9.0Hz)
HR-ESI-MS:calcd C21H16F3N7O5SNa[M+Na]+,
558.0778,found,558.0796 ・ Ns protecting body 77
Triethylamine (17.1 μL, 0.123 mmol) was added to a dichloromethane solution (0.12 mL) of KUSC-5035 (9.5 mg, 0.0246 mmol), and the mixture was reacted at room temperature for 25 minutes under a nitrogen atmosphere. 2-Nitrobenzenesulfonyl chloride (5.5 mg, 0.0248 mmol) was added and the mixture was stirred at room temperature for 13 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layer was washed with saturated brine and dried over sodium sulfate. Purification with preparative TLC (CHCl 3 / MeOH = 20: 1) gave Ns-protected 77 (6.12 mg, 47%).
1 1 HNMR 600MHz in CDCl 3 6.22 (2H, s), 6.91 (1H, d, J = 2.4Hz), 7.04 (1H, s), 7.32 (1H, s), 7. 54 (1H, t, J = 7.8Hz), 7.62-67 (4H, m), 7.32-45 (2H, m), 7.83 (2H, d, J = 9.0Hz)
HR-ESI-MS: calcd C 21 H 16 F 3 N 7 O 5 SNa [M + Na] + ,
558.0778, found, 558.07796
・KUSC-5056
Ns保護体77(6.12mg,0.0114mmol)のDMF溶液(0.11mL)にK2CO3(5.1mg,0.0369mmol),ヨウ化プロピル(1.67μL,0.0171mmol)とTBAI(0.00271mmol)を加えて40℃で13時間攪拌した。室温に冷却し、0.1Mチオフェノール in DMF(0.29mL,0.029mmol)を加えて2.3時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。分取TLC(CHCl3/MeOH=20:1)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=35:65)にて精製し、KUSC-5056(2.06mg,46%)を得た。
1HNMR 600MHz in MeOH-d4 0.97(3H,t,J=7.2Hz),1.59(2H,septet,J=7.2Hz),2.89(2H,t,J=7.2Hz),6.34(2H,s),6.85(1H,d,J=1.2Hz),7.27(1H,s),7.44(1H,s),7.65(2H,d,J=8.4Hz),7.89(1H,d,J=3.0Hz),7.95(2H,d,J=9.0Hz)
HR-ESI-MS:calcd C18H19F3N6NaO [M+Na]+,415.1465,found,415.1481 ・ KUSC-5056
K 2 CO 3 (5.1 mg, 0.0369 mmol), propyl iodide (1.67 μL, 0.0171 mmol) and TBAI in a DMF solution (0.11 mL) of Ns-protecting group 77 (6.12 mg, 0.0114 mmol). (0.00271 mmol) was added, and the mixture was stirred at 40 ° C. for 13 hours. The mixture was cooled to room temperature, 0.1 M thiophenol in DMF (0.29 mL, 0.029 mmol) was added, and the mixture was stirred for 2.3 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layer was washed with saturated brine and dried over sodium sulfate. Purified by preparative TLC (CHCl 3 / MeOH = 20: 1). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 35: 65) to obtain KUSC-5056 (2.06 mg, 46%).
1 1 HNMR 600MHz in MeOH-d 4 0.97 (3H, t, J = 7.2Hz), 1.59 (2H, septet, J = 7.2Hz), 2.89 (2H, t, J = 7. 2Hz), 6.34 (2H, s), 6.85 (1H, d, J = 1.2Hz), 7.27 (1H, s), 7.44 (1H, s), 7.65 (2H) , D, J = 8.4Hz), 7.89 (1H, d, J = 3.0Hz), 7.95 (2H, d, J = 9.0Hz)
HR-ESI-MS: calcd C 18 H 19 F 3 N 6 NaO [M + Na] + , 415.1465, found, 415.1481
Ns保護体77(6.12mg,0.0114mmol)のDMF溶液(0.11mL)にK2CO3(5.1mg,0.0369mmol),ヨウ化プロピル(1.67μL,0.0171mmol)とTBAI(0.00271mmol)を加えて40℃で13時間攪拌した。室温に冷却し、0.1Mチオフェノール in DMF(0.29mL,0.029mmol)を加えて2.3時間攪拌した。水で反応を停止し、CHCl3で抽出した。有機層を飽和食塩水で洗浄し、硫酸ナトリウムで乾燥した。分取TLC(CHCl3/MeOH=20:1)で精製した。その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=35:65)にて精製し、KUSC-5056(2.06mg,46%)を得た。
1HNMR 600MHz in MeOH-d4 0.97(3H,t,J=7.2Hz),1.59(2H,septet,J=7.2Hz),2.89(2H,t,J=7.2Hz),6.34(2H,s),6.85(1H,d,J=1.2Hz),7.27(1H,s),7.44(1H,s),7.65(2H,d,J=8.4Hz),7.89(1H,d,J=3.0Hz),7.95(2H,d,J=9.0Hz)
HR-ESI-MS:calcd C18H19F3N6NaO [M+Na]+,415.1465,found,415.1481 ・ KUSC-5056
K 2 CO 3 (5.1 mg, 0.0369 mmol), propyl iodide (1.67 μL, 0.0171 mmol) and TBAI in a DMF solution (0.11 mL) of Ns-protecting group 77 (6.12 mg, 0.0114 mmol). (0.00271 mmol) was added, and the mixture was stirred at 40 ° C. for 13 hours. The mixture was cooled to room temperature, 0.1 M thiophenol in DMF (0.29 mL, 0.029 mmol) was added, and the mixture was stirred for 2.3 hours. The reaction was stopped with water and extracted with CHCl 3 . The organic layer was washed with saturated brine and dried over sodium sulfate. Purified by preparative TLC (CHCl 3 / MeOH = 20: 1). Then, the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 35: 65) to obtain KUSC-5056 (2.06 mg, 46%).
1 1 HNMR 600MHz in MeOH-d 4 0.97 (3H, t, J = 7.2Hz), 1.59 (2H, septet, J = 7.2Hz), 2.89 (2H, t, J = 7. 2Hz), 6.34 (2H, s), 6.85 (1H, d, J = 1.2Hz), 7.27 (1H, s), 7.44 (1H, s), 7.65 (2H) , D, J = 8.4Hz), 7.89 (1H, d, J = 3.0Hz), 7.95 (2H, d, J = 9.0Hz)
HR-ESI-MS: calcd C 18 H 19 F 3 N 6 NaO [M + Na] + , 415.1465, found, 415.1481
・エステル体78
1-(ブロモメチル)ピラゾールー3-カルボン酸エチル(50mg,0.215mmol)のアセトニトリル溶液に4-クロロピラゾール(49.7mg,0.485mmol)、K2CO3(65.2mg,0.472mmol)を添加し、室温で23.5時間攪拌した。水で反応を停止させ、CHCl3で抽出を行い、有機層を合わせて、飽和食塩水で洗浄した。有機層を硫酸ナトリウムで乾燥し、溶媒を減圧留去した。得られた残渣をSiO2 flash colum n chromatography (CHCl3/MeOH=100:3)にて精製し 、エステル体78(56.58mg)を得た。
1HNMR 500MHz in MeOH-d4 1.35(3H,t,J=7.5Hz),4.33(2H,q,J=7.5Hz),6.40(2H,s),6.79(1H,d,J=2.0Hz),8.00(1H,s)
HR-ESI-MS:calcd C10H11ClN4NaO2[M+Na]+,
277.0463,found,277.0435 -Ester body 78
4-Chloropyrazole (49.7 mg, 0.485 mmol) and K2 CO 3 (65.2 mg, 0.472 mmol) in an acetonitrile solution of 1- (bromomethyl) pyrazole- 3 -carboxylate (50 mg, 0.215 mmol). It was added and stirred at room temperature for 23.5 hours. The reaction was stopped with water, extraction was performed with CHCl 3 , the organic layers were combined, and the mixture was washed with saturated brine. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 100: 3) to obtain an ester 78 (56.58 mg).
1 1 HNMR 500MHz in MeOH-d 4 1.35 (3H, t, J = 7.5Hz), 4.33 (2H, q, J = 7.5Hz), 6.40 (2H, s), 6.79 (1H, d, J = 2.0Hz), 8.00 (1H, s)
HR-ESI-MS: calcd C 10 H 11 ClN 4 NaO 2 [M + Na] + ,
277.0463, found, 277.0435
1HNMR 500MHz in MeOH-d4 1.35(3H,t,J=7.5Hz),4.33(2H,q,J=7.5Hz),6.40(2H,s),6.79(1H,d,J=2.0Hz),8.00(1H,s)
HR-ESI-MS:calcd C10H11ClN4NaO2[M+Na]+,
277.0463,found,277.0435 -Ester body 78
1 1 HNMR 500MHz in MeOH-d 4 1.35 (3H, t, J = 7.5Hz), 4.33 (2H, q, J = 7.5Hz), 6.40 (2H, s), 6.79 (1H, d, J = 2.0Hz), 8.00 (1H, s)
HR-ESI-MS: calcd C 10 H 11 ClN 4 NaO 2 [M + Na] + ,
277.0463, found, 277.0435
・カルボン酸中間体79
エステル体78(56.58mg)のMeOH/水=3:1混合溶媒(4.4mL)に2M水酸化ナトリウム水溶液(0.17mL,0.340mmol)を加えて、45℃で23.7時間反応させた。濃塩酸で反応を停止し、pH=3から4として酢酸エチルで抽出を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。カルボン酸中間体79(36.06mg,72%)を得た。
1HNMR 600MHz in MeOH-d4 6.40(2H,s),6.79(1H,d,J=1.5Hz),7.51(1H,s),7.91(1H,d,J=2.5Hz),8.00(1H,s) -Carboxylic acid intermediate 79
A 2M aqueous sodium hydroxide solution (0.17 mL, 0.340 mmol) was added to a MeOH / water = 3: 1 mixed solvent (4.4 mL) of the ester 78 (56.58 mg), and the reaction was carried out at 45 ° C. for 23.7 hours. I let you. The reaction was stopped with concentrated hydrochloric acid, and extraction was performed with ethyl acetate at pH = 3 to 4. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. Carboxylic acid intermediate 79 (36.06 mg, 72%) was obtained.
1 1 HNMR 600MHz in MeOH-d 4 6.40 (2H, s), 6.79 (1H, d, J = 1.5Hz), 7.51 (1H, s), 7.91 (1H, d, J) = 2.5Hz), 8.00 (1H, s)
1HNMR 600MHz in MeOH-d4 6.40(2H,s),6.79(1H,d,J=1.5Hz),7.51(1H,s),7.91(1H,d,J=2.5Hz),8.00(1H,s) -Carboxylic acid intermediate 79
1 1 HNMR 600MHz in MeOH-d 4 6.40 (2H, s), 6.79 (1H, d, J = 1.5Hz), 7.51 (1H, s), 7.91 (1H, d, J) = 2.5Hz), 8.00 (1H, s)
・KUSC-5033
カルボン酸中間体79(20mg,0.088mmol)のCH2Cl2溶液(1.0mL)にDIPEA(31μL,0.18mmol),HATU(28.3mg,0.089mmol)を添加し、室温で25分攪拌した。p-ブロモアニリン(16.7mg,0.044mmol)を添加し、室温で24時間反応させた。水で反応を停止し、酢酸エチルで抽出した。有機層を合わせて、飽和炭酸水素ナトリウム水溶液、飽和食塩水で洗浄を行った。硫酸ナトリウムで乾燥し、溶媒を減圧留去した。残渣をSiO2 flash colum n chromatography(CHCl3/MeOH=20:1)で精製し、その後、得られた残渣をHPLC(cosmosil MSII,φ20×250mm, eluent : CH3CN/H2O=50:50)にて精製し、KUSC-5033(25.0mg,74%)を得た。
1HNMR500MHz in Acetone-d6 6.49(2H,s),6.70(1H,s),6.86(1H,d,J=2.5Hz),7.15(1H,s),7.50(2H,d,J=9.0Hz),7.78(2H,d,J=8.5Hz),8.06(1H,s)8.15(1H,s),8.05(1H,d,J=1.5Hz),9.57(1H,s)
HR-ESI-MS:calcd C14H11BrClN5NaO[M+Na]+,
401.9728,found,401.9743 ・ KUSC-5033
DIPEA (31 μL, 0.18 mmol) and HATU (28.3 mg, 0.089 mmol) were added to a CH 2 Cl 2 solution (1.0 mL) of carboxylic acid intermediate 79 (20 mg, 0.088 mmol), and 25 at room temperature. Stir for minutes. p-Bromoaniline (16.7 mg, 0.044 mmol) was added and reacted at room temperature for 24 hours. The reaction was stopped with water and extracted with ethyl acetate. The organic layers were combined and washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine. It was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by SiO 2 chloroform n chromatography (CHCl 3 / MeOH = 20: 1), and then the obtained residue was purified by HPLC (cosmosil MSII, φ20 × 250 mm, eluent: CH 3 CN / H 2 O = 50 :). Purification in 50) gave KUSC-5033 (25.0 mg, 74%).
1 HNMR500MHz in Acetone-d 6 6.49 (2H, s), 6.70 (1H, s), 6.86 (1H, d, J = 2.5Hz), 7.15 (1H, s), 7 .50 (2H, d, J = 9.0Hz), 7.78 (2H, d, J = 8.5Hz), 8.06 (1H, s) 8.15 (1H, s), 8.05 ( 1H, d, J = 1.5Hz), 9.57 (1H, s)
HR-ESI-MS: calcd C 14 H 11 BrClN 5 NaO [M + Na] + ,
401.9728, found, 401.9743
1HNMR500MHz in Acetone-d6 6.49(2H,s),6.70(1H,s),6.86(1H,d,J=2.5Hz),7.15(1H,s),7.50(2H,d,J=9.0Hz),7.78(2H,d,J=8.5Hz),8.06(1H,s)8.15(1H,s),8.05(1H,d,J=1.5Hz),9.57(1H,s)
HR-ESI-MS:calcd C14H11BrClN5NaO[M+Na]+,
401.9728,found,401.9743 ・ KUSC-5033
1 HNMR500MHz in Acetone-d 6 6.49 (2H, s), 6.70 (1H, s), 6.86 (1H, d, J = 2.5Hz), 7.15 (1H, s), 7 .50 (2H, d, J = 9.0Hz), 7.78 (2H, d, J = 8.5Hz), 8.06 (1H, s) 8.15 (1H, s), 8.05 ( 1H, d, J = 1.5Hz), 9.57 (1H, s)
HR-ESI-MS: calcd C 14 H 11 BrClN 5 NaO [M + Na] + ,
401.9728, found, 401.9743
実施例(各化合物の生物活性評価)
HIF-1転写阻害活性の測定
Hypoxia Response Element(HRE)配列の下流にホタルルシフェラーゼ遺伝子を挿入したプラスミドを安定に保持するヒト子宮頸がんHeLa細胞(HeLa/5HRE-Luc)を用いて、HIF-1阻害活性を評価した。HeLa/5HRE-Luc細胞を96ウェルプレートに播種し(6.0×103cell/well)、通常酸素条件で24時間培養した。上記のようにして取得した各化合物を添加し(DMSO終濃度:1%)、通常酸素条件で1時間培養した後、低酸素条件(1%O2)下で24時間培養した。細胞をPBSで洗浄し、lysis buffer(20mM Tris/HCl pH7.5,150mM NaCl,1mM EDTA, 0.1%Triton X-100)を加え(30μL/well)、20分間振とうして細胞抽出液を得た。細胞抽出液10μLにCoomassie Brilliant Blue(CBB)希釈溶液を100μL添加し、吸光度(595nm)を測定して総タンパク量の変化を測定した。一方、細胞抽出液中のルシフェラーゼ活性は、細胞抽出液20μLにLuc reaction buffer(50mM Tris/HCl pH8.0,5mM MgSO4,0.125mM D-ルシフェリン,0.5mM ATP,0.5mM CoA)を加え、化学発光をEnVision(パーキンエルマー社製)またはARVO(パーキンエルマー社製)を用いて測定しHIF-1阻害活性を測定した。 Example (evaluation of biological activity of each compound)
Measurement of HIF-1 transcription inhibitory activity Using human cervical cancer HeLa cells (HeLa / 5HRE-Luc) that stably carry a plasmid in which the firefly luciferase gene is inserted downstream of the Hypoxia Response Element (HRE) sequence, HIF- 1 Inhibitory activity was evaluated. HeLa / 5HRE-Luc cells were seeded on 96-well plates (6.0 × 10 3 cell / well) and cultured under normal oxygen conditions for 24 hours. Each compound obtained as described above was added (DMSO final concentration: 1%), cultured under normal oxygen conditions for 1 hour, and then cultured under hypoxic conditions (1% O 2 ) for 24 hours. The cells are washed with PBS, lysis buffer (20 mM Tris / HCl pH 7.5,150 mM NaCl, 1 mM EDTA, 0.1% Triton X-100) is added (30 μL / well), and the cells are shaken for 20 minutes to extract the cell extract. Got 100 μL of Coomassie Brilliant Blue (CBB) diluted solution was added to 10 μL of the cell extract, and the absorbance (595 nm) was measured to measure the change in the total protein amount. On the other hand, the luciferase activity in the cell extract is as follows: Luciferase buffer (50 mM Tris / HCl pH 8.0, 5 mM ו 4 , 0.125 mM D-luciferin, 0.5 mM ATP, 0.5 mM CoA) in 20 μL of the cell extract. In addition, chemiluminescence was measured using EnVision (manufactured by PerkinElmer) or ARVO (manufactured by PerkinElmer) to measure HIF-1 inhibitory activity.
HIF-1転写阻害活性の測定
Hypoxia Response Element(HRE)配列の下流にホタルルシフェラーゼ遺伝子を挿入したプラスミドを安定に保持するヒト子宮頸がんHeLa細胞(HeLa/5HRE-Luc)を用いて、HIF-1阻害活性を評価した。HeLa/5HRE-Luc細胞を96ウェルプレートに播種し(6.0×103cell/well)、通常酸素条件で24時間培養した。上記のようにして取得した各化合物を添加し(DMSO終濃度:1%)、通常酸素条件で1時間培養した後、低酸素条件(1%O2)下で24時間培養した。細胞をPBSで洗浄し、lysis buffer(20mM Tris/HCl pH7.5,150mM NaCl,1mM EDTA, 0.1%Triton X-100)を加え(30μL/well)、20分間振とうして細胞抽出液を得た。細胞抽出液10μLにCoomassie Brilliant Blue(CBB)希釈溶液を100μL添加し、吸光度(595nm)を測定して総タンパク量の変化を測定した。一方、細胞抽出液中のルシフェラーゼ活性は、細胞抽出液20μLにLuc reaction buffer(50mM Tris/HCl pH8.0,5mM MgSO4,0.125mM D-ルシフェリン,0.5mM ATP,0.5mM CoA)を加え、化学発光をEnVision(パーキンエルマー社製)またはARVO(パーキンエルマー社製)を用いて測定しHIF-1阻害活性を測定した。 Example (evaluation of biological activity of each compound)
Measurement of HIF-1 transcription inhibitory activity Using human cervical cancer HeLa cells (HeLa / 5HRE-Luc) that stably carry a plasmid in which the firefly luciferase gene is inserted downstream of the Hypoxia Response Element (HRE) sequence, HIF- 1 Inhibitory activity was evaluated. HeLa / 5HRE-Luc cells were seeded on 96-well plates (6.0 × 10 3 cell / well) and cultured under normal oxygen conditions for 24 hours. Each compound obtained as described above was added (DMSO final concentration: 1%), cultured under normal oxygen conditions for 1 hour, and then cultured under hypoxic conditions (1% O 2 ) for 24 hours. The cells are washed with PBS, lysis buffer (20 mM Tris / HCl pH 7.5,150 mM NaCl, 1 mM EDTA, 0.1% Triton X-100) is added (30 μL / well), and the cells are shaken for 20 minutes to extract the cell extract. Got 100 μL of Coomassie Brilliant Blue (CBB) diluted solution was added to 10 μL of the cell extract, and the absorbance (595 nm) was measured to measure the change in the total protein amount. On the other hand, the luciferase activity in the cell extract is as follows: Luciferase buffer (50 mM Tris / HCl pH 8.0, 5 mM ו 4 , 0.125 mM D-luciferin, 0.5 mM ATP, 0.5 mM CoA) in 20 μL of the cell extract. In addition, chemiluminescence was measured using EnVision (manufactured by PerkinElmer) or ARVO (manufactured by PerkinElmer) to measure HIF-1 inhibitory activity.
各化合物のHIF-1阻害活性測定結果(IC50値:50%阻害濃度)を表3に示す。なお、表1に示す全ての化合物において、細胞毒性は検出されなかった。なお、80%以上の生存率の場合に細胞毒性は検出されないと判断した。
Table 3 shows the measurement results of HIF-1 inhibitory activity (IC 50 value: 50% inhibitory concentration) of each compound. No cytotoxicity was detected in all the compounds shown in Table 1. It was determined that no cytotoxicity was detected when the survival rate was 80% or more.
HBVコアプロモーター阻害活性の測定
HBVコアプロモーター下でルシフェラーゼを発現する配列を恒常的に発現する細胞株であるHBVコアプロモーターレポーター細胞を1×104 cells/wellの密度で96ウェルプレートまたは4×103 /wellのcells/wellの密度で384ウェルプレートに撒き、37℃、5%CO2の条件でDMEM-high glucose (Sigma-Aldrich Japan Inc.社製)に10%牛胎仔血清, 100U/ml Penicillin,100μg/ml Streptomycin(ThermoFisher Scientic Inc.社製)を含む培養液を用いて培養し、1日後に各化合物(0.16,0.8,4,20,100μM)を加え1日間培養した。その後、96ウェルプレートまたは 384ウェルプレートにそれぞれ新しい75μLまたは25μLの培養液へ交換し、さらに75μLまたは25μLの発光基質Steady-GloLuciferaseAssay System (プロメガ社)を加え振盪し、30分後に発光強度をプレートリーダーのEnsight (パーキンエルマー社)を用いて定量してHBVコアプロモーターの阻害活性を決定した。また、同様に処理した細胞を用いて細胞生存率(細胞増殖抑制率)を細胞増殖キットII(XTTアッセイ:ロシュ・ダイアグノスティクス(株))を用いてミトコンドリア活性を発色に変換し、30分後に490nmの吸光度をプレートリーダーのEnsight(Perkin Elmer社製)を用いて定量して決定した。 Measurement of HBV core promoter inhibitory activity HBV core promoter reporter cells, which are cell lines that constitutively express sequences expressing luciferase under the HBV core promoter, are 96-well plates or 4 × 10 at a density of 1 × 10 4 cells / well. Sprinkle on 384-well plates at a density of 3 / well cells / well and add 10% bovine fetal serum to DMEM-high glucose (manufactured by Sigma-Aldrich Japan Inc.) at 37 ° C. and 5% CO 2 conditions, 100 U / ml. Cultivated using a culture solution containing Pencillin, 100 μg / ml Streptomycin (manufactured by Thermo Fisher Scientific Inc.), and after 1 day, each compound (0.16, 0.8, 4, 20, 100 μM) was added and cultured for 1 day. .. Then, the 96-well plate or the 384-well plate is replaced with a new 75 μL or 25 μL culture solution, respectively, and 75 μL or 25 μL of the luminescent substrate Steady-GloLuciphase Assay System (Promega) is added and shaken, and the luminescence intensity is adjusted to the plate reader after 30 minutes. The inhibitory activity of the HBV core promoter was determined by quantification using Ensight (PerkinElmer). In addition, the cell viability (cell proliferation inhibition rate) was converted to color using the cell proliferation kit II (XTT assay: Roche Diagnostics Co., Ltd.) using the cells treated in the same manner, and the mitochondrial activity was converted into color development for 30 minutes. Later, the absorbance at 490 nm was quantified and determined using a plate reader Ensight (manufactured by PerkinElmer).
HBVコアプロモーター下でルシフェラーゼを発現する配列を恒常的に発現する細胞株であるHBVコアプロモーターレポーター細胞を1×104 cells/wellの密度で96ウェルプレートまたは4×103 /wellのcells/wellの密度で384ウェルプレートに撒き、37℃、5%CO2の条件でDMEM-high glucose (Sigma-Aldrich Japan Inc.社製)に10%牛胎仔血清, 100U/ml Penicillin,100μg/ml Streptomycin(ThermoFisher Scientic Inc.社製)を含む培養液を用いて培養し、1日後に各化合物(0.16,0.8,4,20,100μM)を加え1日間培養した。その後、96ウェルプレートまたは 384ウェルプレートにそれぞれ新しい75μLまたは25μLの培養液へ交換し、さらに75μLまたは25μLの発光基質Steady-GloLuciferaseAssay System (プロメガ社)を加え振盪し、30分後に発光強度をプレートリーダーのEnsight (パーキンエルマー社)を用いて定量してHBVコアプロモーターの阻害活性を決定した。また、同様に処理した細胞を用いて細胞生存率(細胞増殖抑制率)を細胞増殖キットII(XTTアッセイ:ロシュ・ダイアグノスティクス(株))を用いてミトコンドリア活性を発色に変換し、30分後に490nmの吸光度をプレートリーダーのEnsight(Perkin Elmer社製)を用いて定量して決定した。 Measurement of HBV core promoter inhibitory activity HBV core promoter reporter cells, which are cell lines that constitutively express sequences expressing luciferase under the HBV core promoter, are 96-well plates or 4 × 10 at a density of 1 × 10 4 cells / well. Sprinkle on 384-well plates at a density of 3 / well cells / well and add 10% bovine fetal serum to DMEM-high glucose (manufactured by Sigma-Aldrich Japan Inc.) at 37 ° C. and 5% CO 2 conditions, 100 U / ml. Cultivated using a culture solution containing Pencillin, 100 μg / ml Streptomycin (manufactured by Thermo Fisher Scientific Inc.), and after 1 day, each compound (0.16, 0.8, 4, 20, 100 μM) was added and cultured for 1 day. .. Then, the 96-well plate or the 384-well plate is replaced with a new 75 μL or 25 μL culture solution, respectively, and 75 μL or 25 μL of the luminescent substrate Steady-GloLuciphase Assay System (Promega) is added and shaken, and the luminescence intensity is adjusted to the plate reader after 30 minutes. The inhibitory activity of the HBV core promoter was determined by quantification using Ensight (PerkinElmer). In addition, the cell viability (cell proliferation inhibition rate) was converted to color using the cell proliferation kit II (XTT assay: Roche Diagnostics Co., Ltd.) using the cells treated in the same manner, and the mitochondrial activity was converted into color development for 30 minutes. Later, the absorbance at 490 nm was quantified and determined using a plate reader Ensight (manufactured by PerkinElmer).
各化合物のHBVコアプロモーターの阻害活性測定結果(IC50値:50%阻害濃度)を表3に併せて示す。なお、表1に示す全ての化合物において、細胞毒性は検出されなかった。なお、80%以上の生存率の場合に細胞毒性は検出されないと判断した。
Table 3 also shows the results of measuring the inhibitory activity of the HBV core promoter of each compound (IC 50 value: 50% inhibitory concentration). No cytotoxicity was detected in all the compounds shown in Table 1. It was determined that no cytotoxicity was detected when the survival rate was 80% or more.
表3に示されるように、各化合物は優れた低酸素誘導因子-1(HIF-1)阻害効果及び優れた抗HBV(抗B型肝炎ウイルス)活性を奏した。
As shown in Table 3, each compound exhibited an excellent hypoxia-inducible factor-1 (HIF-1) inhibitory effect and an excellent anti-HBV (anti-hepatitis B virus) activity.
Claims (9)
- 式(1):
Xは基X-1:
X1は炭素原子又は窒素原子を示し、
RX1、RX2、及びRX3は、それぞれ独立して、水素原子、ハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示す)
を示し、
Yは基Y-1:
Y1は炭素原子又は窒素原子を示し、
RY1a、RY1b、及びRY1cは、それぞれ独立して、水素原子、ハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1ii(当該式中、-Y1i-は-CO-、-SO2-、若しくは-CH2-を示し、-Y1iiはC1~C4アルキル基、フェニル基、若しくはベンジル基を示す)で表される基を示す)
又は基Y-2:
Y2は炭素原子又は窒素原子を示し、
RY2a、RY2b、及びRY2cは、それぞれ独立して、水素原子、ハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y2i-Y2ii(当該式中、-Y2i-は-CO-、-SO2-、若しくは-CH2-を示し、-Y2iiはC1~C4アルキル基又はフェニル基若しくはベンジル基を示す)で表される基を示す)
を示し、
Zはメチレン基又は基Z-1:
を示し、
mは0、1、又は2を示し、
nは1、2、又は3を示す。〕
で表される化合物。 Equation (1):
X is the base X-1:
X 1 represents a carbon atom or a nitrogen atom,
RX1 , RX2 , and RX3 independently indicate a hydrogen atom, a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group).
Show,
Y is the base Y-1:
Y 1 represents a carbon atom or a nitrogen atom.
RY1a , RY1b , and RY1c are independently hydrogen atom, halogen atom, C1-C4 alkyl group, nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or formula:-. NH-Y 1i -Y 1ii (in the formula, -Y 1i- indicates -CO-, -SO 2- , or -CH 2- , and -Y 1i is a C1-C4 alkyl group, phenyl group, or benzyl group. Indicates a group represented by))
Or group Y-2:
Y 2 indicates a carbon atom or a nitrogen atom.
RY2a , RY2b , and RY2c are independently hydrogen atom, halogen atom, C1-C4 alkyl group, nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or formula:-. NH-Y 2i -Y 2ii (in the formula, -Y 2i- indicates -CO-, -SO 2- , or -CH 2- , and -Y 2ii is a C1-C4 alkyl group or a phenyl group or a benzyl group. Indicates a group represented by))
Show,
Z is a methylene group or a group Z-1:
Show,
m indicates 0, 1, or 2,
n indicates 1, 2, or 3. ]
The compound represented by. - Xが基X-1を示し、
RX1、RX2、及びRX3のいずれか1つが水素原子を示し、残りの2つが同じハロゲン原子を示すか、あるいは、
RX1がハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示し、RX2及びRX3が水素原子を示す、
請求項1に記載の化合物。 X indicates the base X-1,
Either one of RX1 , RX2 , and RX3 represents a hydrogen atom and the other two represent the same halogen atom, or
RX1 represents a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group, and RX2 and RX3 represent a hydrogen atom.
The compound according to claim 1. - Yが基Y-1又はY-2基を示し、
Yが基Y-1を示すとき、
RY1aが水素原子、RY1bがC1~C4アルキル基、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すか、
RY1aがC1~C4アルキル基、RY1bが水素原子、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すか、あるいは
RY1bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY1a及びRY1cが水素原子を示し、
YがY-2基を示すとき、
RY2bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2a及びRY2cが水素原子を示すか、あるいは、
RY2aがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2b及びRY2cが水素原子を示す、
請求項1又は2に記載の化合物 Y indicates a group Y-1 or a group Y-2,
When Y indicates the base Y-1,
Whether RY1a is a hydrogen atom, RY1b is a C1-C4 alkyl group, RY1c is a nitro group or a group represented by the formula: -NH- Y1i - Y1iii .
RY1a is a C1-C4 alkyl group, RY1b is a hydrogen atom, RY1c is a nitro group or a group represented by the formula: -NH- Y1i - Y1ii , or RY1b is a halogen atom, C1 to C4. An alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , where RY1a and RY1c indicate hydrogen atoms. ,
When Y indicates Y-2 groups
RY2b represents a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , R Y2a and RY2c indicate hydrogen atoms, or
RY2a represents a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , R Y2b and RY2c represent hydrogen atoms,
The compound according to claim 1 or 2. - Zがメチレン基又は基Z-1を示し、
Zが基Z-1を示すとき、
Arがベンゼン環を示す場合、基Z-1は、
Arがフラン環を示す場合、基Z-1は、
Arがピラゾール環を示す場合、基Z-1は、
請求項1~3のいずれかに記載の化合物。 Z indicates a methylene group or a group Z-1.
When Z indicates the base Z-1,
When Ar represents a benzene ring, the group Z-1 is
When Ar represents a furan ring, the group Z-1 is
When Ar represents a pyrazole ring, the group Z-1 is
The compound according to any one of claims 1 to 3. - Xが基X-1を示し、
RX1、RX2、及びRX3のいずれか1つが水素原子を示し、残りの2つが同じハロゲン原子を示すか、あるいは、
RX1がハロゲン原子、トリフルオロメチル基、トリフルオロメトキシ基、C1~C4アルキル基、C1~C4アルコキシ基、又はヒドロキシル基を示し、RX2及びRX3が水素原子を示し、
Yが基Y-1又はY-2基を示し、
Yが基Y-1を示すとき、
RY1aが水素原子、RY1bがC1~C4アルキル基、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すか、
RY1aがC1~C4アルキル基、RY1bが水素原子、RY1cがニトロ基又は式:-NH-Y1i-Y1iiで表される基を示すか、あるいは
RY1bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY1a及びRY1cが水素原子を示し、
YがY-2基を示すとき、
RY2bがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2a及びRY2cが水素原子を示すか、あるいは、
RY2aがハロゲン原子、C1~C4アルキル基、ニトロ基、-CO-NH-CH2CH3、-NH3Cl、又は式:-NH-Y1i-Y1iiで表される基を示し、RY2b及びRY2cが水素原子を示し、
Zがメチレン基又は基Z-1を示し、
Zが基Z-1を示すとき、
Arがベンゼン環を示す場合、基Z-1は、
Arがフラン環を示す場合、基Z-1は、
Arがピラゾール環を示す場合、基Z-1は、
請求項1に記載の化合物。 X indicates the base X-1,
Either one of RX1 , RX2 , and RX3 represents a hydrogen atom and the other two represent the same halogen atom, or
RX1 represents a halogen atom, a trifluoromethyl group, a trifluoromethoxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, or a hydroxyl group, and RX2 and RX3 represent a hydrogen atom.
Y indicates a group Y-1 or a group Y-2,
When Y indicates the base Y-1,
Whether RY1a is a hydrogen atom, RY1b is a C1-C4 alkyl group, RY1c is a nitro group or a group represented by the formula: -NH- Y1i - Y1iii .
RY1a is a C1-C4 alkyl group, RY1b is a hydrogen atom, RY1c is a nitro group or a group represented by the formula: -NH- Y1i - Y1ii , or RY1b is a halogen atom, C1 to C4. An alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , where RY1a and RY1c indicate hydrogen atoms. ,
When Y indicates Y-2 groups
RY2b represents a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , R Y2a and RY2c indicate hydrogen atoms, or
RY2a represents a halogen atom, a C1-C4 alkyl group, a nitro group, -CO-NH-CH 2 CH 3 , -NH 3 Cl, or a group represented by the formula: -NH-Y 1i -Y 1ii , R Y2b and RY2c indicate hydrogen atoms,
Z indicates a methylene group or a group Z-1.
When Z indicates the base Z-1,
When Ar represents a benzene ring, the group Z-1 is
When Ar represents a furan ring, the group Z-1 is
When Ar represents a pyrazole ring, the group Z-1 is
The compound according to claim 1. - 請求項1~6のいずれかに記載の化合物の塩。 The salt of the compound according to any one of claims 1 to 6.
- 請求項1~6のいずれかに記載の化合物又はその塩を含有する抗がん剤。 An anticancer agent containing the compound according to any one of claims 1 to 6 or a salt thereof.
- 請求項1~6のいずれかに記載の化合物又はその塩を含有する抗B型肝炎ウイルス剤。 An anti-hepatitis B virus agent containing the compound according to any one of claims 1 to 6 or a salt thereof.
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