JP5116686B2 - Cc−1065類似体の調製方法及び調製用化合物 - Google Patents
Cc−1065類似体の調製方法及び調製用化合物 Download PDFInfo
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- JP5116686B2 JP5116686B2 JP2008538132A JP2008538132A JP5116686B2 JP 5116686 B2 JP5116686 B2 JP 5116686B2 JP 2008538132 A JP2008538132 A JP 2008538132A JP 2008538132 A JP2008538132 A JP 2008538132A JP 5116686 B2 JP5116686 B2 JP 5116686B2
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- 238000000034 method Methods 0.000 title claims abstract description 42
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- DPKBAXPHAYBPRL-UHFFFAOYSA-M tetrabutylazanium;iodide Chemical compound [I-].CCCC[N+](CCCC)(CCCC)CCCC DPKBAXPHAYBPRL-UHFFFAOYSA-M 0.000 description 1
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/58—[b]- or [c]-condensed
- C07D209/60—Naphtho [b] pyrroles; Hydrogenated naphtho [b] pyrroles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
- A61K31/403—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with carbocyclic rings, e.g. carbazole
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Indole Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Saccharide Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Description
関連出願の相互参照:本特許出願は、2005年10月26日に出願の米国仮特許出願第60/730,804号(全開示内容を参照によって本願明細書に援用する)の利益を主張するものである。
N−(tert−ブチルオキシカルボニル)−4−O−(tert−ブチルオキシカルボニル)−2−ナフチルアミン(2)の合成
氷酢酸(9.6mL)及び臭化水素酸水溶液(16mL,48%)中の4−メトキシ−2−ナフチルアミン(230mg,1.33mmol)の溶液をN2下で4時間還流した。少量のサンプル(0.1mL)を酢酸エチル(0.5mL)で希釈し、次いで、水(0.5mL)及びTEA(0.1mL)を加えた。有機層のTLC(20:1DCM/メタノール)では、出発物質は検出されなくなり、それより低い新しいスポットが検出された(Rf=0.1)。溶媒を減圧下で除去し、生成物を真空下で乾燥することにより、中間体である4−ヒドロキシ−2−ナフチルアミンが得られ、それをいかなる精製もすることなく次の工程に使用した。ジオキサン(10mL)中の4−ヒドロキシ−2−ナフチルアミンの溶液に、TEA(1mL)及びジ−tert−ブチルジカーボネート(1.149g,5.27mmol)を加えた。その反応混合物をN2下で4時間還流した。TLC(4:1ヘキサン/酢酸エチル)では、出発物質は検出されなくなり、それより高い新しいスポットが検出された(Rf=0.55)。その反応混合物を酢酸エチル(50mL)で希釈し、水で洗浄した。その水層を酢酸エチル(2×50mL)で抽出し、有機層を併せ、ブラインで洗浄した。その有機物を無水Na2SO4で乾燥し、濾過し、減圧下で濃縮することにより、N−(tert−ブチルオキシカルボニル)−4−O−(tert−ブチルオキシカルボニル)−2−ナフチルアミン(2,80%収率)を油状物として得た。
アセトン(10mL)中の化合物2の溶液に、NaOH水溶液(10mL,1M)を加えた。その反応混合物を室温で一晩撹拌した。TLC(4:1ヘキサン/酢酸エチル)では、出発物質は検出されなくなり、それより低い新しいスポットが検出された。その反応混合物を酢酸エチル(50mL)で抽出し、水で洗浄した。水層を酢酸エチル(2×50mL)で抽出し、有機層をブラインで洗浄し、無水Na2SO4で乾燥し、濃縮した。その残渣を、ヘキサン溶液中の10−20%酢酸エチルを用いた10gのシリカゲルカラムにおいて精製することにより、化合物3(181mg,53%)を油状物として得た。
窒素雰囲気下の無水DMF(50ml)中の化合物3(5g,19.3mmol)の溶液を、臭化ベンジル(4g,23.1mol)、炭酸カリウム(3.7g,27mol)及びヨウ化テトラブチルアンモニウム(70mg,0.01mmol)で処理した。その反応混合物を室温で8時間撹拌した。その反応混合物を減圧下で濃縮した。クロマトグラフィを用いた分離(4×10cm SiO2,10−20%EtOAc−ヘキサン勾配溶出)によって、純粋な化合物4(5.48g,83%)をクリーム色の粉末として得た。1H NMR(CDCl3,400MHz,ppm)8.22(d,1H J=8.1Hz,C5−H),7.68(d,1H,J=8.2Hz,C8−H),7.3−7.5(m,8H,C1−H,C6−H,C7−H,CH2C6H5),7.06(d,1H,J=1.1Hz,C3−H),6.62(br s,1H,NH),5.23(S,2H,OCH2(C6H5),1.55(s,9H,OC(CH3)3).
スターラーバー及びゴム隔壁を備えた1000ml丸底フラスコにて化合物4(13g,0.0372mol)及びTHF(300ml)を混合した。透明の黄色溶液を、ドライアイス浴を用いて窒素雰囲気下において−20Cに冷却した。p−トルエンスルホン酸(0.10g,0.0005mol)をその反応物に加え、その溶液を10分間撹拌した。N−ヨードスクシンイミド(10g,0.0446mol)をTHF(50ml)に溶解し、カニューレを用いてその反応物に加えた(約1時間)。その溶液を氷浴中で2時間撹拌したところ、茶色がかった色を呈した。次いで、その溶液を氷浴から取り出し、窒素下で1.5時間室温に温めた。TLC(2:1ヘキサン/DCM)では、出発物質は検出されなくなり、それより高い新しいスポットが検出された。その反応物を飽和ΝaHCO3(200ml)でクエンチし、白色固体が形成された。その溶液を10分間撹拌した後、その反応物にEtOAc(200ml)及び水(100ml)を加えた。水層をEtOAc(2×100ml)で抽出し、有機層を併せ、ブライン(100ml)で抽出した。その有機層をMgSO4で乾燥し、濾過し、真空下で濃縮することにより、暗赤茶色の固体が得られた。その固体を、溶離剤として2:1ヘキサン/DCMを用いるカラムクロマトグラフィで精製することにより、化合物5(14g,79%)を茶色固体として得た。
スターラーバー及び窒素導入口を備えた500ml丸底フラスコにて、化合物5(22.5g,0.0473mol)及び無水DMF(250ml)を混合した。その黄色−橙色溶液を、窒素雰囲気下において氷/塩浴を用いて0℃に冷却した。その反応物にNaH(60%,5.6g,0.146mol)を一度に加えた。その溶液は濁り、気体を発生した。その反応物を氷浴中で15分間撹拌し、次いで、その氷浴を取り除き、その溶液を更に15分間撹拌して、その反応物にシス/トランス−1,3−ジブロモプロペン(14ml,0.14mol)を、注射器を用いて少しずつ加えた。その反応物を窒素下で室温にて1時間撹拌したところ、その反応物は、濁った茶色を呈した。温度を40℃に上げた。その反応物を室温に冷却した。TLC(4:1ヘキサン/EtOAc)では、出発物質は検出されなくなり、それより低い新しいスポットが検出された。その反応物を水(500ml)でクエンチした。その水層をEtOAc(4×100ml)で抽出し、有機層をブラインで洗浄した(2×75ml)。その有機層をMgSO4で乾燥し、濾過し、真空下で濃縮することより、茶色油状物が得られた。その生成物を、溶離剤として1:1DCM/ヘキサンを用いるカラムクロマトグラフィで精製することにより、化合物6(25g,89%)を茶色油状物として得た。
スターラーバー、温度プローブ、還流冷却器及び窒素導入口を備えた1000ml三首丸底フラスコにて、化合物6(25g,0.0421mol)、トルエン(500ml)、2,2’−アゾビス(2−メチルプロピオニトリル)(0.15g,0.0009mol)及び水素化トリブチルスズ(3.4ml,0.0126mol)を混合した[注射器を用いて]。その溶液に15分間窒素を泡立たせながら通し、次いで、その反応物を窒素下で80℃に加熱した。15分間80℃に加熱した後、その反応物に注射器を用いて水素化トリブチルスズ(3.4ml,0.0126mol)を加えた。更に15分間加熱した後、その反応物に注射器を用いて水素化トリブチルスズ(3.4ml,0.0126mol)を加えた。更に15分後、その反応物に注射器を用いて水素化トリブチルスズ(3.4ml,0.0126mol)を加えた。加えた水素化トリブチルスズの総量は、13.6ml,0.0505molであった。その反応物を30分間80℃に加熱し、次いで、室温に冷却した。TLC(10%EtOAc/ヘキサン)では、出発物質及びそれより高い新しいスポットが検出された。その溶液を真空下で濃縮することにより、黄色固体が得られた。その固体を、溶離剤として1:1ジクロロメタン(dicloromethane)/ヘキサンを用いるカラムクロマトグラフィで精製することにより、黄色固体が得られた。その固体を、ヘキサンから再結晶化する(200ml、30分間45Cにし、冷蔵庫にて2時間冷却し、濾過により回収し、真空下で乾燥させる)ことにより、化合物7(11.70g,59%収率)を淡黄色固体として得た。NMR(1H,CDCl3,400MHz):□1.61(9H,s,C−(CH3)3);3.30(1H,t,J=26Hz,CH−CH2−N);3.82(1H,d,J=26Hz,Br−CH2−CH);4.04(1H,d,J=19Hz,Br−CH2−CH)4.14(1H,t,J=26Hz,CH−CH2−N);4.21(1H,m,CH2−CH−CH2);5.26(2H,s,O−CH2−C6H5);7.3−7.55(8H,m,O−CH2−C6H5,C10H5);7.63(1H,d,J=21Hz,C10H5);8.3(1H,d,J=21Hz,C10H5)
ラセミの化合物7をDCM(50mg,1ml)に溶解した。次いで、その溶液をヘキサン(9ml)で希釈した。次いで、その溶液をChiralcel OD prepカラム(10ミクロン,20×250mm)に充填し、ヘキサン/イソプロパノール(99:1,15ml/分)を用いて分離した。第1のエナンチオマー(7a)は、10〜15分に溶出し、第2のエナンチオマー(7b)は、17.5〜25分に溶出する。分析カラム(Chiralcel OD,0.46×25cm,20マイクロメートル)は、7aについては7.71分及び7bについては12.9分の保持時間を与える(99:1ヘキサン/IPA,1ml/分,15分間の流入)。NMR(1H,CDCl3,400MHz):□1.61(9H,s,C−(CH3)3);3.30(1H,t,J=26Hz,CH−CH2−N);3.82(1H,d,J=26Hz,Br−CH2−CH);4.04(1H,d,J=19Hz,Br−CH2−CH)4.14(1H,t,J=26Hz,CH−CH2−N);4.21(1H,m,CH2−CH−CH2);5.26(2H,s,O−CH2−C6H5);7.3−7.55(8H,m,O−CH2−C6H5,C10H5);7.63(1H,d,J=21Hz,C10H5);8.3(1H,d,J=21Hz,C10H5)
合成方法の手順は、化合物5の合成を通じて実施例1において上に記載したとおりである。化合物8の合成スターラーバー及び窒素導入口を備えた250ml丸底フラスコにて、化合物5(8.4g,0.0177mol)及び無水DMF(125ml)を混合した。その黄色−橙色溶液を、氷/塩浴を用いて窒素雰囲気下において0℃に冷却した。その反応物にNaH(60%,2.22g,0.0554mol)を一度に加えた。その溶液は濁り、気体が発生した。その反応物を氷浴中で15分間撹拌し、次いで、氷浴を取り除き、その溶液を更に15分間撹拌した。その反応物にシス/トランス−1,3−ジクロロプロペン(5.3ml,0.0571mol)を、注射器を用いて少しずつ加えた。その反応物を窒素下で室温にて3時間撹拌したところ、濁った茶色を呈した。TLC(4:1ヘキサン/EtOAc)では、出発物質は検出されなくなり、それより低い新しいスポットが検出された。その反応物を水(250ml)でクエンチした。水層をEtOAc(3×100ml)で抽出し、有機層をブラインで洗浄した(2×50ml)。その有機層をMgSO4で乾燥し、濾過し、真空下で濃縮することより、茶色油状物が得られた。その生成物を、溶離剤として1:1DCM/ヘキサンを用いるカラムクロマトグラフィで精製することにより、(E/Z)−tert−ブチル4−(ベンジルオキシ)−1−ヨードナフタレン−2−イル(3−クロロアリル)カルバメート(8)(9g,93%)を黄色油状物として得た。
スターラーバー、温度プローブ、還流冷却器及び窒素導入口を備えた500ml三首丸底フラスコにて、化合物8(9g,0.0164mol)、トルエン(200ml)、2,2’−アゾビス(2−メチルプロピオニトリル)(0.15g,0.0009mol)及び水素化トリブチルスズ(1.5ml,0.0056mol)を混合した[注射器を用いて]。その溶液に15分間窒素を泡立たせながら通し、次いで、その反応物を窒素下で80℃に加熱した。15分間80℃に加熱した後、その反応物に注射器を用いて水素化トリブチルスズ(1.5ml,0.0056mol)を加えた。更に15分間加熱した後、その反応物に注射器を用いて水素化トリブチルスズ(1.5ml,0.0056mol)を加えた。更に15分後、その反応物に注射器を用いて水素化トリブチルスズ(1.0ml,0.0037mol)を加えた。加えた水素化トリブチルスズの総量は、5.5ml,0.0204molであった。その反応物を30分間80℃に加熱し、次いで、室温に冷却した。TLC(10%EtOAc/ヘキサン)では、出発物質は検出されなくなり、それより高い新しいスポットが検出された。その溶液を真空下で濃縮することにより、黄色油状物が得られた。その油状物を、溶離剤として100%ヘキサン、5%EtOAc/ヘキサン、10%EtOAc/ヘキサンを用いるカラムクロマトグラフィで精製することにより、淡黄色固体が得られた。その固体を、ヘキサンから再結晶化する(100ml、30分間45Cにし、冷蔵庫にて2時間冷却し、濾過により回収し、真空下で乾燥させる)ことにより、化合物9を(4.16g,60%収率)白色固体として得た。
ラセミの化合物9をDCM(50mg,1ml)に溶解した。次いで、その溶液をヘキサン(9ml)で希釈した。次いで、その溶液をChiralcel OD prepカラム(10ミクロン,20×250mm)に充填し、ヘキサン/イソプロパノール(99:1,15ml/分)を用いて分離した。第1のエナンチオマー(9a)は、11.5〜15分に溶出し、第2のエナンチオマー(9b)は、17.5〜25分に溶出する。分析カラム(Chiralcel OD,0.46×25cm,20ミクロン)は、9aについては6.5分及び9bについては10.6分の保持時間を与える(99:1ヘキサン/IPA,1ml/分,15分間の流入)。NMR(1H,CDCl3,400MHz):d 1.61(9H,s,C−(CH3)3);3.44(1H,t,J=25Hz,CH−CH2−N);3.9−4.0(2H,m,Cl−CH2−CH);4.12(1H,t,J=26Hz,CH−CH2−N);4.25(1H,m,CH2−CH−CH2);5.26(2H,s,O−CH2−C6H5);7.2−7.5(8H,m,O−CH2−C6H5,C10H5);7.63(1H,d,J=21Hz,C10H5);8.3(1H,d,J=21Hz,C10H5)
合成方法の手順は、化合物3の合成を通じて実施例1において上に記載したとおりである。
無水DCM(20ml)中のtert−ブチル−4−ヒドロキシナフタレン−2−イルカルバメート(3)(500mg,2.89mmol)、4−メチル−1−ピペラジンカルボニルクロリド塩酸塩(858mg,4.34mmol)、無水ピリジン(4.98ml,57.8mmol)及びアリルアルコール(4.98ml,73.2mmol)の溶液を室温で一晩撹拌した。TLC(9:1DCM/MeOH)では、出発物質は検出されなくなり、それより一層低いスポットが検出された。その反応混合物を水でクエンチした。水層をEtOAc(3×50ml)で抽出し、有機層をブラインで洗浄した(2×50ml)。その有機層をNa2SO4で乾燥し、濾過し、真空下で濃縮することにより、茶色油状物が得られた。その粗生成物を、DCM中の1−5%メタノールを用いるカラムクロマトグラフィで精製することにより、10(602mg,82%)を黄色固体として得た。1HNMR(DMSO−d6)δ9.68(s,1H),7.91(s,1H),7.80(d,1H),7.69(s,1H),7.47(t,1H),7.42(s,1H),7.39(t,1H),3.78(s,2H),3.42(s,2H),2.44(s,2H),2.39(s,2H),2.21(s,3H),1.50(s,9H)
無水THF(5ml)中の化合物10(82mg,0.21mmol)、p−トルエンスルホン酸(10mg,0.05mmol)及びN−ヨードスクシンイミド(96mg,0.43mmol)の溶液を室温で一晩撹拌した。TLC(9:1DCM/MeOH)では、少量の出発物質及びそれより高いスポットが検出された。その反応混合物を飽和ΝaHCO3(10ml)でクエンチした。室温で10分間撹拌した後、その反応混合物をEtOAc(3×20ml)で抽出し、その有機層をブラインで洗浄した(2×20ml)。その有機層をNa2SO4で乾燥し、濾過し、真空下で濃縮することにより、茶色油状物が得られた。その粗生成物を、DCM中の1−5%メタノールを用いるカラムクロマトグラフィで精製することにより、11(52mg,48%)を黄色油状物として得た。1HNMR(DMSO−d6)δ8.81(s,1H),8.14(d,1H),7.79(d,1H),7.65(t,1H),7.58(t,1H),7.45(t,1H),3.78(s,2H),3.42(s,2H),2.44(s,2H),2.39(s,2H),2.21(s,3H),1.50(s,9H)
無水DMF(5ml)中の化合物11(102mg,0.2mmol)の溶液を氷浴中で冷却した。その反応物に、水素化ナトリウム(鉱油中60%,32mg,0.8mmol)を加えた。その反応混合物を0℃で15分間及び室温で15分間撹拌した。その反応物にシス/トランス−1,3−ジクロロプレペン(Dichloroprepene)(83.36μl,0.9mmol)を加えた。その反応混合物を室温で1時間撹拌した。TLC(9:1DCM/MeOH)では、出発物質は検出されなかった。その反応混合物を水でクエンチした。その水層をEtOAc(3×10ml)で抽出し、その有機層をブラインで洗浄した(2×10ml)。その有機層をNa2SO4で乾燥し、濾過し、真空下で濃縮することにより、茶色油状物が得られた。その粗生成物を、DCM中の1−5%メタノールを用いるカラムクロマトグラフィで精製することにより、12(82mg,70%)を黄色固体として得た。1HNMR(DMSO−d6)δ8.20(d,1H),7.82(d,1H),7.62(m,2H),7.38(d,1H),6.38(m,1H),6.18(m,1H),3.98−4.46(dd,2H),3.78(s,2H),3.42(s,2H),2.44(s,2H),2.39(s,2H),2.21(s,3H),1.50(s,9H)
無水トルエン(3ml)中の12(82mg,0.14mmol)の溶液に、乾燥窒素を15分間泡立たせた。その反応物に水素化トリブチルスズ(47.1μl,0.18mmol)及び2,2’−アゾビスイソブチロニトリル(10mg,0.06mmol)を加えた。その反応混合物を窒素下で15分間80℃に加熱した。TLC(9:1DCM/MeOH)では、新しい青いスポットが検出され、出発物質は検出されなかった。その反応混合物を真空下で濃縮することにより、黄色油状物が得られた。その粗生成物を、DCM中の1−5%メタノールを用いるカラムクロマトグラフィで精製することにより、13(52mg,82%)を白色固体として得た。1HNMR(DMSO−d6)δ7.92(d,1H),7.83(m,1H),7.78(d,1H),7.58(t,1H),7.42(t,1H),4.20(m,2H),4.04(m,2H),3.92(m,1H),3.78(s,2H),3.42(s,2H),2.44(s,2H),2.39(s,2H),2.21(s,3H),1.50(s,9H).
ラセミの化合物13をメタノールに溶解した。次いで、その溶液をCHIRALPAK AD prepカラム(20ミクロン,20×250mm)に充填し、メタノール(15ml/分)を用いて分離した。第1のエナンチオマー(13a)は、5.1分から溶出し、第2のエナンチオマー(13b)は、7.1分から溶出する。1HNMR(DMSO−d6)δ7.92(d,1H),7.83(m,1H),7.78(d,1H),7.58(t,1H),7.42(t,1H),4.20(m,2H),4.04(m,2H),3.92(m,1H),3.78(s,2H),3.42(s,2H),2.44(s,2H),2.39(s,2H),2.21(s,3H),1.50(s,9H)
MeOH/CH2Cl2(1/2,10ml)中の9b(100mg,0.24mmol)及び10%Pd−C(35mg)の溶液を真空中で40秒間脱気した。得られた混合物を水素雰囲気下に置き、25℃で7時間撹拌した。その反応混合物をセライトで濾過した(CH2Cl2洗浄)。溶媒を真空中で除去した。EtOAc/Hex(2/8)を用いて溶出する、シリカゲルによるクロマトグラフィから14(77mg,98%)が得られた。1NMR DMSO−d6)δ10.36(s,1H),8.04(d,1H,J=8.2Hz),7.72(d,1H,J=8.2Hz),7.61(br s,1H),7.45(t,1H,J=8.4Hz),7.261(t,1H,J=8.4Hz),4.06(m,4H),3.73(m,1H),1.52(s,9H)
4M HCl−EtOAc(5ml)中の14(35mg,0.1mmol)の溶液をAr下、25℃にて30分間撹拌した。溶媒を真空中で除去した。その残渣に、5−アセチルインドン−2−カルボン酸(24.4mg,0.12mmol)を加えた。DMF(3ml)中のEDC(22.9mg,0.12mmol)の溶液を加え、その反応混合物を25℃で5時間撹拌した。溶媒を除去した。その粗生成物を、CH2Cl2中の10%MeOHを用いて溶出する、シリカゲルによるクロマトグラフィに供することにより、16(40.7mg,93%)が得られた。1HNMR DMSO−d6)δ12.13(s,1H),10.47(s,1H),8.45(s,1H),8.10(d,1H,J=8.4Hz),7.96(br s,1H),7.85(d,2H,J=8.4Hz),7.54(d,1H,J=8.4Hz),7.51(t,1H,J=8.2Hz),7.36(t,1H,J=7.6),7.35(s,1H),4.81(t,1H,11.2Hz),4.54(dd,1H,8.8Hz),4.23(m,1H),4.01(dd,1H,J=10.2Hz),3.86(dd,1H,J=10.7Hz),2.61(s,3H)
4−メチル−1−ピペラジンカルボニルクロリド塩酸塩(19.9mg,0.1mmol)を、乾燥塩化メチレン(4ml)中の3%アリルアルコール中の16(20mg,0.05mmol)及び無水ピリジン(25μml,0.3mmol)の溶液に加え、その混合物を16時間撹拌した。その粗生成物のシリカゲルによる精製により、17(23.6mg,91%)が得られた。1NMR DMSO−d6)δ12.03(s,1H),8.41(s,1H),8.21(s,1H),8.01(d,1H,J=8.4Hz),7.88(d,1H,J=8.4Hz),7.82(dd,1H,J=8.4Hz),7.58(t,1H,J=8.1Hz),7.51(d,1H,J=8.4Hz),7.46(t,1H,J=7.6Hz),7.37(s,1H),4.86(t,1H,J=10.8Hz),4.57(dd,1H,J=10.8Hz),4.38(m,1H),4.06(dd,1H,J=10.8Hz),3.86(dd,1H,J=11Hz),3.41(br,4H),3.29(br,4H),2.82(s,3H),2.57(s,3H)
乾燥塩化メチレン(1ml)中の5%酢酸中の17(13mg,24μmol)及びリンカー18(16.9mg,31μmol)の溶液を25℃で30分間撹拌した。溶媒を真空中で完全に除去し、HPLC(SymmetryPrep C18,7μm,19×150mmカラム)で精製することにより、19(18.5mg,81%)が得られた。MS:C48H57ClN8O11に対する算出値(M+H)m/z 958.38,実測値958.10
確立された3H−チミジン増殖アッセイを用いて、本発明の細胞傷害性化合物の生物学的活性をアッセイすることができる。これは、外来性の放射標識された3H−チミジンの取り込みを測定することによってDNA合成を評価するので、細胞増殖を定量化するための簡便な方法である。このアッセイは再現性が高く、多数の化合物に適応できる。
この実施例では、本発明の薬物分子(他の基(例えば、スペーサー、反応性の官能基など)を任意に含む)を、標的化剤としての抗体とコンジュゲートするための反応条件及び方法論について記載する。その条件及び方法論は、例示することだけを意図しており、非限定的なものである。薬物分子を抗体とコンジュゲートするための他のアプローチは、当該技術分野で公知である。
Claims (17)
- 化合物(I)又はその塩の合成方法
(式中、R1及びR2は、各々独立して、H、アルキル、−C(O)OR’、−C(O)NR’R”又は保護基であり、R’及びR”は、独立して、H、置換アルキル、非置換アルキル、置換アリール、非置換アリール、置換ヘテロアリール、非置換ヘテロアリール、置換ヘテロシクロアルキル及び非置換ヘテロシクロアルキルからなる群から選択され;R6は、H、置換若しくは非置換の低級アルキル、シアノ又はアルコキシであり;Xは、ハロゲンである)であって、保護基R1’及びR2’が、化合物(II)に付加され、
化合物(III)を形成し
(式中、R3は、アルキルである。)、化合物(III)のアミン窒素を含む5員環が生成される、前記合成方法。 - R3がメチルである、請求項1に記載の方法。
- XがCl又はBrである、請求項1に記載の方法。
- XがBrである、請求項3に記載の方法。
- R1’及びR2’が異なる保護基である、請求項1に記載の方法。
- R1’がtert−ブチルオキシカルボニルである、請求項5に記載の方法。
- R2’が−CH2Phである、請求項7に記載の方法。
- R1’及びR2’が同一である、請求項1に記載の方法。
- さらに、5員環形成後にR1’及びR2’が水素により置換される、請求項1に記載の方法。
- R1’及びR1が同一であり、R2’及びR2が同一である、請求項1に記載の方法。
- 前記5員環の形成が化合物(III)のアミン置換基に隣接する炭素のヨウ素化と、その後に続く1,3−ジハロプロペンを用いたアルキル化とを含んでなる、請求項1に記載の方法。
- 以下の式を有するCBI CC−1065類似体又はその医薬的に許容される塩の合成方法であって、
(式中、Xは、ハロであり;X1及びZは、各々独立して、O、S及びNR8から選択され、R8は、H、置換又は非置換のアルキル、置換又は非置換のヘテロアルキル及びアシルから選択されるメンバーであり;R4、R4,、R5及びR5,は、独立して、H、置換アルキル、非置換アルキル、置換アリール、非置換アリール、置換ヘテロアリール、非置換ヘテロアリール、置換ヘテロシクロアルキル、非置換ヘテロシクロアルキル、ハロゲン、NO2、NR9R10、NC(O)R9、OC(O)NR9R10、OC(O)OR9、C(O)R9、SR9、OR9、CR9=NR10及びO(CH2)nNR11R11’からなる群から選択されるメンバーであり、R9及びR10は、独立して、H、置換若しくは非置換のアルキル、置換若しくは非置換のヘテロアルキル、置換若しくは非置換のアリール、置換若しくは非置換のヘテロアリール、置換若しくは非置換のヘテロシクロアルキル及び置換若しくは非置換のペプチジルから選択されるか、又はR9及びR10は、それらが結合する窒素原子と任意に結合して、任意に2つ以上のヘテロ原子を含む4〜6員環を有する置換若しくは非置換のヘテロシクロアルキル環系を形成し、R11及びR11’は、各々独立して、H又は低級アルキルであり;R6は、H、置換若しくは非置換の低級アルキル、シアノ又はアルコキシであり;R7は、H、置換アルキル、非置換アルキル、置換ヘテロアルキル、非置換ヘテロアルキル、ジホスフェート、トリホスフェート、アシル、C(O)OR12、C(O)NR12R13、P(O)(OR12)2、C(O)CHR12R13、SR12及びSiR12R13R14からなる群から選択されるメンバーであり、R12、R13及びR14は、独立して、H、置換若しくは非置換のアルキル、置換若しくは非置換のヘテロアルキル及び置換若しくは非置換のアリールから選択されるメンバーであるか、又はR12及びR13は、それらが結合する窒素又は炭素原子と任意に結合して、任意に2つ以上のヘテロ原子を含む4〜6員環を有する置換若しくは非置換のヘテロシクロアルキル環系を形成する。)であって、保護基R1’及びR2’を化合物(II)に付加して
化合物(III)を形成し
(式中、R3はアルキルである。)、そして、化合物(III)のアミン窒素を含む5員環を形成し、以下を含む
結合部分を、化合物(III)に付加することを含んでなる、前記方法。 - 前記5員環の形成が化合物(III)のアミン置換基に隣接する炭素のヨウ素化と、その後に続く5員環形成前の1,3−ジハロプロペンを用いたアルキル化とを含んでなる、請求項13に記載の方法。
- 前記結合部分の付加が保護基R1’の脱離を含んでなる、請求項13に記載の方法。
- 前記結合部分の付加が、前記結合部分のアミン置換基への付加を更に含んでなる、請求項15に記載の方法。
- R6がHである、請求項13に記載の方法。
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| CY1112533T1 (el) | 2015-12-09 |
| EA200801176A1 (ru) | 2009-02-27 |
| HK1118549A1 (en) | 2009-02-13 |
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| JP2009513676A (ja) | 2009-04-02 |
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| BRPI0619331A2 (pt) | 2011-09-27 |
| WO2007051081A8 (en) | 2010-12-16 |
| RS52100B (sr) | 2012-06-30 |
| AU2006305842B2 (en) | 2011-11-03 |
| US20080281102A1 (en) | 2008-11-13 |
| KR20080068084A (ko) | 2008-07-22 |
| ES2375843T3 (es) | 2012-03-06 |
| CN101365679B (zh) | 2012-11-14 |
| EA015324B1 (ru) | 2011-06-30 |
| IL190971A (en) | 2013-02-28 |
| ZA200804521B (en) | 2009-04-29 |
| AU2006305842A1 (en) | 2007-05-03 |
| IL190971A0 (en) | 2008-12-29 |
| EP1940789A1 (en) | 2008-07-09 |
| HRP20120058T1 (hr) | 2012-02-29 |
| ATE534629T1 (de) | 2011-12-15 |
| WO2007051081B1 (en) | 2007-07-19 |
| DK1940789T3 (da) | 2012-03-19 |
| NO20082243L (no) | 2008-07-21 |
| WO2007051081A1 (en) | 2007-05-03 |
| PT1940789E (pt) | 2012-02-01 |
| SI1940789T1 (sl) | 2012-03-30 |
| CA2627046A1 (en) | 2007-05-03 |
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