JPH03153654A - New beta-ketoamide and production thereof - Google Patents
New beta-ketoamide and production thereofInfo
- Publication number
- JPH03153654A JPH03153654A JP29170389A JP29170389A JPH03153654A JP H03153654 A JPH03153654 A JP H03153654A JP 29170389 A JP29170389 A JP 29170389A JP 29170389 A JP29170389 A JP 29170389A JP H03153654 A JPH03153654 A JP H03153654A
- Authority
- JP
- Japan
- Prior art keywords
- formula
- phenyl
- iii
- methyl
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 150000004798 β-ketoamides Chemical class 0.000 title claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 28
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 13
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 11
- 125000003342 alkenyl group Chemical group 0.000 claims abstract description 4
- 125000000304 alkynyl group Chemical group 0.000 claims abstract description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract description 6
- 239000012442 inert solvent Substances 0.000 abstract description 3
- 230000008635 plant growth Effects 0.000 abstract description 3
- 239000003905 agrochemical Substances 0.000 abstract description 2
- 239000003814 drug Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 1
- -1 1.3-7'tadienyl Chemical group 0.000 description 17
- 239000007788 liquid Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- FYOXYUWYQHNAFT-UHFFFAOYSA-N 2-methyl-1-phenylpropan-1-imine Chemical compound CC(C)C(=N)C1=CC=CC=C1 FYOXYUWYQHNAFT-UHFFFAOYSA-N 0.000 description 2
- 229940053202 antiepileptics carboxamide derivative Drugs 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- 125000000196 1,4-pentadienyl group Chemical group [H]C([*])=C([H])C([H])([H])C([H])=C([H])[H] 0.000 description 1
- 125000004974 2-butenyl group Chemical group C(C=CC)* 0.000 description 1
- RRMINFSIXCUCNS-UHFFFAOYSA-N 2-oxobutanamide Chemical compound CCC(=O)C(N)=O RRMINFSIXCUCNS-UHFFFAOYSA-N 0.000 description 1
- 125000006024 2-pentenyl group Chemical group 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- CYMGXIWXLRJVBR-UHFFFAOYSA-N 4,4-dimethyl-1,3-dioxine Chemical compound CC1(C)OCOC=C1 CYMGXIWXLRJVBR-UHFFFAOYSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- 125000006538 C11 alkyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 101150041968 CDC13 gene Proteins 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 0.000 description 1
- 150000004797 ketoamides Chemical class 0.000 description 1
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 1
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002568 propynyl group Chemical group [*]C#CC([H])([H])[H] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は、医薬・農薬などの製造中間体として有用であ
る新規なり、ケトアミド誘導体及びその製造方法に関す
る。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a novel ketoamide derivative useful as an intermediate in the production of pharmaceuticals, agricultural chemicals, etc., and a method for producing the same.
本発明の化合物は、特に植物成長抑制作用を有するピロ
ン−3−カルボキサミド誘導体の製造中間体として有用
である。The compounds of the present invention are particularly useful as intermediates for the production of pyrone-3-carboxamide derivatives having plant growth inhibiting activity.
(従来の技術及び発明が解決しようとする課題)本発明
の化合物は、本発明者らによって初めて合成された新規
化合物である。本発明者らは、植物成長抑制作用を有す
るピロン−3−カルボキサミド誘導体の製造方法につい
て検討した結果、本発明化合物がその製造中間体として
重要であること及びこの有利な製造方法を見い出し、本
発明に至った。(Prior Art and Problems to be Solved by the Invention) The compound of the present invention is a novel compound synthesized for the first time by the present inventors. The present inventors have investigated methods for producing pyrone-3-carboxamide derivatives having a plant growth inhibiting effect, and have discovered that the compound of the present invention is important as an intermediate for its production, and has discovered an advantageous production method thereof. reached.
(課題を解決するための手段)
本発明は、一般式(■):
1
[式中、R1はC1〜C1lのアルキル基、低級アルケ
ニル基、低級アルキニル基又は置換されてもよいフェニ
ル基;胱とR3は異なっても同一でもよくそれぞれ低級
アルキル基;R4は置換されてもよいフェニル基を示す
。Jで表される新規なβ−ケトアミド誘導体である。(Means for Solving the Problems) The present invention is based on the general formula (■): 1 [wherein R1 is a C1 to C11 alkyl group, a lower alkenyl group, a lower alkynyl group, or an optionally substituted phenyl group; and R3 may be different or the same, and each represents a lower alkyl group; R4 represents an optionally substituted phenyl group. It is a novel β-ketoamide derivative represented by J.
この発明でアルキル基としては、メチル、エチル、プロ
ピル、ブチル、イソブチル、イソペンチル、ヘキシル、
オクチルなどの直鎖状または分枝状のアルキル基が含ま
れる。アルケニル基には、ビニル、アリル、イソプロペ
ニル、2−ブテニル、1.3−7’タジエニル、2−ペ
ンテニル、1,4−ペンタジェニルなどが、又アルキニ
ル基には、エチニル、2゜プロピニルなどが含まれる。In this invention, the alkyl group includes methyl, ethyl, propyl, butyl, isobutyl, isopentyl, hexyl,
Includes straight or branched alkyl groups such as octyl. Alkenyl groups include vinyl, allyl, isopropenyl, 2-butenyl, 1.3-7'tadienyl, 2-pentenyl, 1,4-pentadienyl, etc., and alkynyl groups include ethynyl, 2°propynyl, etc. It will be done.
なお、この発明で低級とは01〜C5の炭素原子を含有
する基を意味する。In this invention, lower means a group containing 01 to C5 carbon atoms.
置換されてもよいフェニル基としては、フェニル基及び
ハロゲン原子、低級アルキル基、低級アルコキシ基、シ
アノ基、ニトロ基、ハロゲン化低級アルキル基の1又は
2以上で置換されたフェニル基が含まれる。The phenyl group that may be substituted includes a phenyl group and a phenyl group substituted with one or more of a halogen atom, a lower alkyl group, a lower alkoxy group, a cyano group, a nitro group, and a halogenated lower alkyl group.
一般式(I)で表される化合物の具体的な例としては、
以下のような化合物が挙げられる。Specific examples of compounds represented by general formula (I) include:
Examples include the following compounds.
N−(2−メチル−1−フェニル−1−プロペニル)−
3−オキソヘキサンアミド、N−(2−メチル−1−フ
ェニル−1−ブテニルル3−オキソヘキサンアミド、N
−(2−エチル−1−フェニル−1−ブテニル)−3−
オキソヘキサンアミド、N−(2−メチル−1−フェニ
ル−1−プロペニル)−3−:オキソへブタンアミド、
N−(2−メチル−1−フェニル−1−ブテニル)−3
−オキソヘプタンアミド、N−(2−エチル−1−フェ
ニル−1−ブテニル)−3−オキソヘプタンアミド、N
−(2−メチル、1−フェニル、1−プロペニル)−3
−オキソブタンアミド、N−(2−メチル−1−フェニ
ル−1−ブテニル)−3,オキソブタンアミド、N−(
2−エチル−1−フェニル−1−ブテニル)−3−オキ
ソブタンアミド、N−(2−メチル−1−フェニル−1
−プロペニル)−3−オキソ−6−ヘプテンアミド、6
−メチル−N−(2−メチル−1−フェニル−1−プロ
ペニル)−3−オキソヘプタンアミド。N-(2-methyl-1-phenyl-1-propenyl)-
3-oxohexanamide, N-(2-methyl-1-phenyl-1-butenyl 3-oxohexanamide, N
-(2-ethyl-1-phenyl-1-butenyl)-3-
Oxohexanamide, N-(2-methyl-1-phenyl-1-propenyl)-3-:oxohexanamide,
N-(2-methyl-1-phenyl-1-butenyl)-3
-oxoheptanamide, N-(2-ethyl-1-phenyl-1-butenyl)-3-oxoheptanamide, N
-(2-methyl, 1-phenyl, 1-propenyl)-3
-Oxobutanamide, N-(2-methyl-1-phenyl-1-butenyl)-3,oxobutanamide, N-(
2-ethyl-1-phenyl-1-butenyl)-3-oxobutanamide, N-(2-methyl-1-phenyl-1
-propenyl)-3-oxo-6-heptenamide, 6
-Methyl-N-(2-methyl-1-phenyl-1-propenyl)-3-oxoheptanamide.
本発明における一般式(I)の化合物は一般式(II
) :
[式中、R1は01〜C1lのアルキル基を示す。1で
表される化合物と一般式(III )又は(III)’
:j
[式中、獣とR3は異なっても同一でもよくそれぞれ低
級アルキル基;R4は置換されてもよいフェニル基を示
す。式(In)と式(LH)’の化合物は互いに互変異
性体である。1で表される化合物とを反応させることに
よって製造することが出来る。The compound of the general formula (I) in the present invention is the compound of the general formula (II)
) : [In the formula, R1 represents an alkyl group of 01 to C11. A compound represented by 1 and general formula (III) or (III)'
:j [wherein and R3 may be different or the same, each represents a lower alkyl group; R4 represents an optionally substituted phenyl group. The compounds of formula (In) and formula (LH)' are tautomers of each other. It can be produced by reacting with the compound represented by 1.
本発明において一般式(II )の化合物は既知の方法
で製造することが出来る[Chem、 Pharm、
Bull、。In the present invention, the compound of general formula (II) can be produced by known methods [Chem, Pharm,
Bull.
旦、 1896(1983) ;特開昭54−1064
78号;特開昭61−22077号公報参照]。Dan, 1896 (1983); Japanese Patent Publication No. 54-1064
No. 78; see Japanese Unexamined Patent Publication No. 61-22077].
参照式(II )示される化合物の具体的な例としては
以下のような化合物が挙げられる。Specific examples of the compound represented by the reference formula (II) include the following compounds.
2.2.6− )ツメチル−4H−1,3−ジオキシン
、4−オン、2.2−ジメチル−6−ブロビルー4H−
1,3−ジオキシン−4−オン、6−プチルー2,2−
ジメチル−4H−1,3−ジオキシン−4−オン、2,
2−ジメチル−6−(2−プロペニル)−4H−1,3
−ジオキシン−4−オン、6−(3−メチルブチル)−
2,2−ジメチル。2.2.6-) dimethyl-4H-1,3-dioxin, 4-one, 2,2-dimethyl-6-broby-4H-
1,3-dioxin-4-one, 6-butyl-2,2-
dimethyl-4H-1,3-dioxin-4-one, 2,
2-dimethyl-6-(2-propenyl)-4H-1,3
-dioxin-4-one, 6-(3-methylbutyl)-
2,2-dimethyl.
4H−1,3−ジオキシン4.オン。4H-1,3-dioxin4. on.
また、一般式(III)及び(III)’で示される化
合物も既知の方法で製造することが出来る[Tetra
−hedron Lett、、 Nch51,489
7(1971)L一般式(III)及び(III)’で
示される化合物の具体的な例としては以下のような化合
物が挙げられる。Furthermore, compounds represented by general formulas (III) and (III)' can also be produced by known methods [Tetra
-hedron Lett,, Nch51,489
7 (1971)L Specific examples of the compounds represented by general formulas (III) and (III)' include the following compounds.
2−メチル−1−フェニルプロピリデンアミン、2−メ
チル−1−フェニルブチリデンアミン、2−エチル−1
−フェニルブチリデンアミン。2-Methyl-1-phenylpropylideneamine, 2-methyl-1-phenylbutylideneamine, 2-ethyl-1
-Phenylbutylideneamine.
本発明において、一般式(III)又は(III)’の
化合物は一般式(n )の化合物に対し、1〜2当量用
いるのが最適である。また、この反応は通常、不活性溶
媒中で行われる。好ましい不活性溶媒の例としては、ベ
ンゼン、トルエン、キシレン、メシチレン、テトラリン
、デカリンなどが挙げられる。In the present invention, it is optimal to use the compound of general formula (III) or (III)' in an amount of 1 to 2 equivalents relative to the compound of general formula (n). Moreover, this reaction is usually carried out in an inert solvent. Examples of preferred inert solvents include benzene, toluene, xylene, mesitylene, tetralin, decalin, and the like.
反応温度としては、通常80〜250°Cの温度が用い
られるが、120〜170°C付近が好適である。The reaction temperature is usually 80 to 250°C, preferably around 120 to 170°C.
本発明の化合物の精製方法は、特に限定されるものでは
ない。一般には、抽出、再結晶、蒸留、カラムクロマト
グラフィー等によって精製することができる。The method for purifying the compound of the present invention is not particularly limited. Generally, it can be purified by extraction, recrystallization, distillation, column chromatography, etc.
以下に実施例を挙げて本発明をさらに詳しく説明する。The present invention will be explained in more detail with reference to Examples below.
(実施例)
実施例1
N−(2−メチル−1−フェニル、1−プロペニル)−
3−オキソブタンアミド
2.2.6− トリメチル−4H−1,3−ジオキシン
−4−オン1.0g(7,1mmol)と2−メチル−
1−フェニルプロピリデンアミン1.3g(8,8mm
ol)のキシレン(10ml)溶液を130°Cで2時
間加熱した。(Example) Example 1 N-(2-methyl-1-phenyl, 1-propenyl)-
3-Oxobutanamide 2.2.6-trimethyl-4H-1,3-dioxin-4-one 1.0 g (7.1 mmol) and 2-methyl-
1-phenylpropylideneamine 1.3g (8.8mm
A solution of ol) in xylene (10 ml) was heated at 130°C for 2 hours.
反応終了後、キシレンを減圧留去し、得られた残かをカ
ラムクロマトグラフィー(シリカゲル:ω−200、溶
媒:ヘキサン/酢酸エチル=、3/1)で精製すること
により、連記化合物が0.8g(収率47.8%)得ら
れた。得られた化合物のIH−NMRlIR及び融点の
結果を以下に示す。After the reaction, xylene is distilled off under reduced pressure, and the resulting residue is purified by column chromatography (silica gel: ω-200, solvent: hexane/ethyl acetate = 3/1) to obtain 0.0% of the compound listed above. 8g (yield 47.8%) was obtained. The results of IH-NMRlIR and melting point of the obtained compound are shown below.
IH−NMR(CDCl2)δ:
8.00(br 、 IH) 、 7.17(s 、
5H) 、 3.37(s 、 2H) 。IH-NMR (CDCl2) δ: 8.00 (br, IH), 7.17 (s,
5H), 3.37(s, 2H).
2.13(s 、3H) 、 1.75(s 、6H)
。2.13 (s, 3H), 1.75 (s, 6H)
.
IR(KBr) ; 3250 、2900 、165
0 、1540 、1260cm’。IR (KBr); 3250, 2900, 165
0, 1540, 1260 cm'.
融点;107〜117°C
実施例2〜7
原料の置換基を変化させたほかは、実施例1と同様の操
作を行い以下の化合物を得た。Melting point: 107-117°C Examples 2-7 The following compounds were obtained by carrying out the same operation as in Example 1, except that the substituents of the raw materials were changed.
実施例2
N−(2−メチル−1−フェニル−1−ブテニル)−3
−オキツブタンアミド
IH−NMR(CDCl2)δ;
8.00(br 、 LH) 、 7.23(s 、
5H) 、 3.37(s 、 2H) 、 2.2−
1.9(m 、 2H) 、 1.67(s 、 3H
) 、 1.73(s 、 3H) 、 1.3−0.
9(m 、 3H)。Example 2 N-(2-methyl-1-phenyl-1-butenyl)-3
-Okitbutanamide IH-NMR (CDCl2) δ; 8.00 (br, LH), 7.23 (s,
5H), 3.37(s, 2H), 2.2-
1.9 (m, 2H), 1.67 (s, 3H
), 1.73(s, 3H), 1.3-0.
9 (m, 3H).
IR(neat) ; 3290 、2980 、17
25 、1660 、900cm’。IR(neat); 3290, 2980, 17
25, 1660, 900cm'.
収率;60%
性状;液体
実施例3
N−(2−エチル−1−フェニル−1−ブテニル)−3
−オキソブタンアミド
IH−NMR(CDC13)δ;
8.13(bs 、 IH) 、 7.20(s 、
5H) 、 3.32(s 、 2H) 、 2.4−
1.8(m 、 4B) 、 2.20(s 、 3H
) 、 1.3−0.8(m 、 6H)。Yield: 60% Properties: Liquid Example 3 N-(2-ethyl-1-phenyl-1-butenyl)-3
-Oxobutanamide IH-NMR (CDC13) δ; 8.13 (bs, IH), 7.20 (s,
5H), 3.32(s, 2H), 2.4-
1.8 (m, 4B), 2.20 (s, 3H
), 1.3-0.8 (m, 6H).
IR(neat) ; 3280 、2970 、17
20 、1650 、700cm′10収率;73%
性状;液体
実施例4
N−(2−メチル−1−フェニル−1−プロペニル)−
3−オキソヘキサンアミド
IH−NMR(CDCl2)δ;
7.90(bs 、 IH) 、 7.20(s 、
5H) 、 3.39(s 、 2H) 。IR(neat); 3280, 2970, 17
20, 1650, 700cm'10 Yield: 73% Properties: Liquid Example 4 N-(2-methyl-1-phenyl-1-propenyl)-
3-Oxohexanamide IH-NMR (CDCl2) δ; 7.90 (bs, IH), 7.20 (s,
5H), 3.39(s, 2H).
2.50(t 、 2H) 、 1.78(s 、 6
H) 、 1.6−1.2(m 、 2H) 。2.50 (t, 2H), 1.78 (s, 6
H), 1.6-1.2 (m, 2H).
1.1−0.8(m 、 3H)。1.1-0.8 (m, 3H).
IR(KBr) ; 3250 、2960 、172
0 、1650 、1535 。IR (KBr); 3250, 2960, 172
0, 1650, 1535.
700cm’。700cm'.
融点;61−64°C
収率ニア8%
実施例5
N−(2−メチル、1−フェニル−1−ブテニル)−3
−オキソヘキサンアミド
IH−NMR(CDCl2)δ;
8.00(bs 、 LH) 、 7.17(s 、
5H) 、 3.30(s 、 2H) 。Melting point: 61-64°C Yield near 8% Example 5 N-(2-methyl, 1-phenyl-1-butenyl)-3
-Oxohexanamide IH-NMR (CDCl2) δ; 8.00 (bs, LH), 7.17 (s,
5H), 3.30(s, 2H).
2.40(q 、 2H) 、 2.3−1.3(m
、 4H) 、 1.33(s 、 3H) 。2.40(q, 2H), 2.3-1.3(m
, 4H), 1.33(s, 3H).
1.3−0.7(m 、 6H)。1.3-0.7 (m, 6H).
IR(neat) ; 3270 、2960 、17
20 、1650 、700cm−1゜収率;73%
性状;液体
実施例6
N−(2−エチル−1−フェニル−1−ブテニル)−3
−オキソヘキサンアミド
IH−NMR(CDCl2)δ:
8.13(bs 、 IH) 、 7.17(s 、
5H)、 3.27(s 、 2H) 、 2.5−1
.8(m 、 6H) 、 1.8−1.2(m 、
2H) 、 1.2−0.8(m 。IR(neat); 3270, 2960, 17
20, 1650, 700 cm-1° Yield: 73% Properties: Liquid Example 6 N-(2-ethyl-1-phenyl-1-butenyl)-3
-Oxohexanamide IH-NMR (CDCl2) δ: 8.13 (bs, IH), 7.17 (s,
5H), 3.27(s, 2H), 2.5-1
.. 8(m, 6H), 1.8-1.2(m,
2H), 1.2-0.8 (m.
9H)。9H).
IR(KBr) ; 3270 、2960 、172
0 、1650cm−1゜融点; 52−53°C
収率;72%
実施例7
N−(2−メチル−1−フェニル−1−プロペニル)−
3−オキソヘプタンアミド
IH−NMR(CDCl2)δ;
7.95(bs 、 IH) 、 7.20(s 、
5H) 、 3.38(s 、 2H) 、 2.6−
2.3(m 、 2H) 、 1.7(S 、 6H)
、 1.8−0.7(m 、 7H)。IR (KBr); 3270, 2960, 172
0, 1650 cm-1° Melting point; 52-53°C Yield; 72% Example 7 N-(2-methyl-1-phenyl-1-propenyl)-
3-oxoheptanamide IH-NMR (CDCl2) δ; 7.95 (bs, IH), 7.20 (s,
5H), 3.38(s, 2H), 2.6-
2.3 (m, 2H), 1.7 (S, 6H)
, 1.8-0.7 (m, 7H).
IR(KBr) ; 3250 、2970 、172
0 、1650 、700cm’。IR (KBr); 3250, 2970, 172
0, 1650, 700 cm'.
収率;55% 性状;液体Yield: 55% Properties: liquid
Claims (1)
級アルケニル基、低級アルキニル基又は置換されてもよ
いフェニル基;R^2とR^3は異なっても同一でもよ
くそれぞれ低級アルキル基;R^4は置換されてもよい
フェニル基を示す。]で表されるβ−ケトアミド誘導体
。 2、一般式(II): ▲数式、化学式、表等があります▼(II) [式中、R^1はC_1〜C_1_1のアルキル基を示
す。]で表される化合物と、一般式(III)又は(III)
′:▲数式、化学式、表等があります▼(III) ▲数式、化学式、表等があります▼(III)′ [式中、R^2とR^3は異なっても同一でもよくそれ
ぞれ低級アルキル基;R^4は置換されてもよいフェニ
ル基を示す。式(III)と式(III)′の化合物は互いに
互変異性体である。]で表される化合物を反応させるこ
とを特徴とする一般式( I ): ▲数式、化学式、表等があります▼( I ) [式中、R^1、R^2、R^3、R^4は上記と同じ
]で表されるβ−ケトアミド誘導体の製造方法。[Claims] 1. General formula (I): ▲Mathematical formula, chemical formula, table, etc.▼(I) [In the formula, R^1 is an alkyl group of C_1 to C_1_1, a lower alkenyl group, a lower alkynyl group, or An optionally substituted phenyl group; R^2 and R^3 may be different or the same, and each represents a lower alkyl group; R^4 represents an optionally substituted phenyl group. ] A β-ketoamide derivative represented by. 2. General formula (II): ▲There are mathematical formulas, chemical formulas, tables, etc.▼ (II) [In the formula, R^1 represents an alkyl group of C_1 to C_1_1. ] and general formula (III) or (III)
′:▲There are mathematical formulas, chemical formulas, tables, etc.▼(III) ▲There are mathematical formulas, chemical formulas, tables, etc.▼(III)′ [In the formula, R^2 and R^3 may be different or the same, and each is a lower alkyl Group; R^4 represents an optionally substituted phenyl group. The compounds of formula (III) and formula (III)' are tautomers of each other. ] General formula (I) characterized by reacting a compound represented by: ▲There are mathematical formulas, chemical formulas, tables, etc.▼(I) [In the formula, R^1, R^2, R^3, R ^4 is the same as above] A method for producing a β-ketoamide derivative.
Priority Applications (1)
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JP29170389A JP2702246B2 (en) | 1989-11-09 | 1989-11-09 | Novel β-keto amide and its production method |
Publications (2)
Publication Number | Publication Date |
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JP2702246B2 JP2702246B2 (en) | 1998-01-21 |
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