CN1753869A - (2S,3aS,7aS)-全氢吲哚-2-甲酸和其酯的新合成方法及其在合成培哚普利中的应用 - Google Patents
(2S,3aS,7aS)-全氢吲哚-2-甲酸和其酯的新合成方法及其在合成培哚普利中的应用 Download PDFInfo
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- CN1753869A CN1753869A CNA2004800054078A CN200480005407A CN1753869A CN 1753869 A CN1753869 A CN 1753869A CN A2004800054078 A CNA2004800054078 A CN A2004800054078A CN 200480005407 A CN200480005407 A CN 200480005407A CN 1753869 A CN1753869 A CN 1753869A
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- 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
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/30—Indoles; Hydrogenated indoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to carbon atoms of the hetero ring
- C07D209/42—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
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- 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
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- 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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Abstract
本发明涉及式(I)化合物的合成方法,其中,R表示氢原子或酸官能团保护基。本发明还公开了所述化合物用于合成培哚普利或其可药用盐的用途。
Description
本发明涉及(2S,3aS,7aS)-全氢吲哚-2-甲酸和其酯的合成方法,还涉及它们在合成培哚普利和其可药用盐中的应用。
更具体地说,本发明涉及一种合成式(I)化合物和其与无机或有机酸或碱的加成盐的新方法:
其中,R表示氢原子或酸官能团的保护基。
由本发明的方法获得的式(I)化合物可用于合成式(II)的培哚普利
以及用于合成其可药用盐。
培哚普利和其盐具有有价值的药理学性质。
它们的主要性质是对血管紧张素I转化酶(或激肽酶II)具有抑制作用,该作用一方面可以阻止十肽的血管紧张素I转化成八肽的血管紧张素II(一种血管收缩剂),另一方面可以阻止缓激肽(一种血管舒张剂)降解成无活性的肽。
这两种作用使得培哚普利在心血管疾病中、尤其是在高血压和心力衰竭中具有有益的作用。
培哚普利、其制备方法以及在治疗中的应用描述于欧洲专利说明书EP 0 049 658。
考虑到该化合物的药理学价值,最重要的是能够通过有效的合成方法获得式(I)的中间体,所述方法可以以优良的产率和优异的纯度选择性地获得(S,S,S)非对映异构体,并且所用原料价格合理。
某些制备式(I)化合物的方法是公知的。
例如,EP 0037231采用吲哚-2-甲酸作为原料,将其在铑存在下进行催化氢化,得到两种顺式内异构体的混合物,它们分别具有(2S,3aS,7aS)和(2R,3aR,7aR)构型。然后,将该混合物以非常繁琐的方式分离:合成N-苯甲酰化的化合物、采用(S)-α-苯基-乙基胺分级结晶非对映异构体的盐、释放两种(S,S,S)和(R,R,R)N-苯甲酰化的化合物,然后除去苯甲酰基,再通过离子交换柱并进行重结晶。
为进行相同的分离,EP 0 115 345采用了多个步骤,其需要用苄醇酯化羧酸官能团,用N-苄氧羰基-(S)-苯丙氨酸将氨基酯转化成盐,通过分级结晶分离(S,S,S)异构体,释放出胺化官能团,随后任选地释放出羧酸基团。
EP 0 308 339和EP 0 308 341也采用吲哚-2-甲酸作原料,将其首先还原成二氢吲哚-2-甲酸,得到2R-和2S-二氢吲哚-2-甲酸的混合物,然后通过分级结晶进行分离。再将2S异构体进行催化氢化,得到式(I)化合物。
本申请人现已开发出了一种合成式(I)化合物的新方法,该方法采用价格合理的原料,并且可以以良好的收率和优异的纯度选择性地获得(S,S,S)非对映异构体。
更具体地,本发明涉及式(I)化合物的合成方法:
其中,R表示氢原子或酸官能团的保护基团,
其特征在于,使式(III)的1-(1-环己烯-1-基)-吡咯烷:
与式(IV)的化合物反应:
其中,R如对式(I)所定义,R′表示不同于R的胺官能团的保护基团,得到式(V)的化合物:
其中,R和R′如前定义,
在环化之前对其进行胺官能团的脱保护,然后脱水,得到式(VI)的化合物:
其中,R如前定义,
将其在催化剂如铂、钯、铑或镍存在下进行催化氢化,
反应在1-30巴的氢气压力下进行,优选1-10巴,在任选地对酸官能团进行脱保护或再次保护后,获得式(I)化合物。
在酸官能团的保护基中,可提及但并非限制性地为苄基和直链或支链(C1-C6)烷基。
由此获得的式(I)化合物具有非常优良的化学和对映体纯度,使其特别适用于合成式(II)的培哚普利。
例如,将按照本发明方法获得的式(I)化合物与式(VII)化合物进行偶联
可以以令人非常满意的纯度和收率获得式(II)的培哚普利。
以下实施例用于说明本发明,但并非对本发明的限制。
实施例1:(2S,3aS,7aS)-全氢吲哚-2-甲酸
步骤A:(2S)-2-[(叔丁氧羰基)-氨基]-3-(2-氧代环己基)-丙酸苄酯
在备有回流柱的反应器中,加入200g 1-(1-环己烯-1-基)-吡咯烷、535g(2S)-2-[(叔丁氧羰基)-氨基]-3-碘丙酸苄酯和1.5L乙腈。
回流1小时,然后将混合物恢复室温。蒸出溶剂后,加入2L水,再加入乙酸。用乙酸乙酯萃取并蒸发至干。以此方式获得(2S)-2-[(叔丁氧羰基)-氨基]-3-(2-氧代环己基)-丙酸苄酯,收率为80%。
步骤B:(2S)-2-氨基-3-(2-氧代环己基)-丙酸苄酯
在反应器中,加入200g前一步骤获得的化合物、1.5L二氯甲烷和60g三氟乙酸。在室温下搅拌1小时30分钟后,加入2L饱和碳酸氢钠溶液。用二氯甲烷萃取并蒸发至干。
以此方式获得(2S)-2-氨基-3-(2-氧代环己基)-丙酸苄酯,收率为90%。
步骤C:(2S)-2,3,4,5,6,7-六氢-1H-吲哚-2-甲酸苄酯
在反应器中,回流200g前一步骤获得的化合物、13.8g对甲苯磺酸和1L甲苯,通过共沸蒸馏除去形成的水。当不再分离出水时,蒸出甲苯。
以此方式获得(2S)-2,3,4,5,6,7-六氢-1H-吲哚-2-甲酸苄酯,收率为97%。
步骤D:(2S,3aS,7aS)-全氢吲哚-2-甲酸
向氢化反应器中加入溶解于乙酸中的200g前一步骤获得的化合物,然后加入5g 10%Pt/C。在5巴的压力和室温下进行氢化,直至吸收了理论量的氢气。过滤除去催化剂,然后冷却至0-5℃,过滤收集形成的固体。洗涤滤饼,干燥至恒重。以此方式获得(2S,3aS,7aS)-全氢吲哚-2-甲酸,收率为87%,对映体纯度为99%。
实施例2:(2S,3aS,7aS)-全氢吲哚-2-甲酸苄酯对甲苯磺酸盐
在反应器中,回流200g实施例1的化合物、800g对甲苯磺酸、227g苄醇和700ml甲苯,通过分离器连续除去形成的水。当不再分离出水时,冷却,抽滤出形成的沉淀物并干燥。
以此方式获得(2S,3aS,7aS)-全氢吲哚-2-甲酸苄酯对甲苯磺酸盐,收率为91%,对映体纯度为99%。
Claims (5)
2.根据权利要求1的合成方法,其特征在于,氢化反应中的氢气压力为1-10巴。
3.根据权利要求1的合成方法,其中,R表示氢原子。
4.根据权利要求1的合成方法,其中,R表示苄基。
5.从式(I)化合物合成培哚普利或其可药用盐的方法,其特征在于式(I)化合物是按照权利要求1的方法合成的。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03290487.2 | 2003-02-28 | ||
EP03290487A EP1338591B1 (fr) | 2003-02-28 | 2003-02-28 | Nouveau procédé de synthèse de l'acide (2S, 3aS, 7aS)-perhydroindole-2-carboxylique et de ses esters, et application à la synthèse du perindopril |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1753869A true CN1753869A (zh) | 2006-03-29 |
CN100364974C CN100364974C (zh) | 2008-01-30 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2004800054078A Expired - Fee Related CN100364974C (zh) | 2003-02-28 | 2004-02-27 | (2S,3aS,7aS)-全氢吲哚-2-甲酸和其酯的新合成方法及其在合成培哚普利中的应用 |
Country Status (18)
Country | Link |
---|---|
US (1) | US7157484B2 (zh) |
EP (1) | EP1338591B1 (zh) |
JP (1) | JP4563371B2 (zh) |
CN (1) | CN100364974C (zh) |
AR (1) | AR043411A1 (zh) |
AT (1) | ATE307801T1 (zh) |
AU (1) | AU2004218200B2 (zh) |
DE (1) | DE60301980T2 (zh) |
DK (1) | DK1338591T3 (zh) |
EA (1) | EA007948B1 (zh) |
ES (1) | ES2250847T3 (zh) |
HK (1) | HK1086262A1 (zh) |
MY (1) | MY135169A (zh) |
NZ (1) | NZ541422A (zh) |
PL (1) | PL219733B1 (zh) |
SI (1) | SI1338591T1 (zh) |
WO (1) | WO2004078707A2 (zh) |
ZA (1) | ZA200505779B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004099138A2 (en) * | 2003-05-12 | 2004-11-18 | Cipla Limited | Process for the preparation of perindopril |
HUE031058T2 (en) * | 2004-03-29 | 2017-06-28 | Servier Lab | A method of producing a solid pharmaceutical composition |
SI21800A (sl) | 2004-05-14 | 2005-12-31 | Krka, Tovarna Zdravil, D.D., Novo Mesto | Nov postopek sinteze perindoprila |
ATE515496T1 (de) * | 2004-12-28 | 2011-07-15 | Dsm Ip Assets Bv | Verfahren zur herstellung von enantiomerenangereicherter indolin-2-carbonsäure |
CN100391945C (zh) * | 2005-05-31 | 2008-06-04 | 浙江大学 | 一种s-(-)-吲哚啉-2-羧酸的合成方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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NZ202903A (en) * | 1981-12-29 | 1988-01-08 | Hoechst Ag | 1-- pe pyrrol-2-yl-carboxylic acid derivatives and pharmaceutical compositions |
FR2620709B1 (fr) * | 1987-09-17 | 1990-09-07 | Adir | Procede de synthese industrielle du perindopril et de ses principaux intermediaires de synthese |
NL1008302C2 (nl) * | 1998-02-13 | 1999-08-16 | Dsm Nv | Werkwijze voor de bereiding van een optisch actief indoline-2-carbonzuur of derivaat daarvan. |
FR2807431B1 (fr) * | 2000-04-06 | 2002-07-19 | Adir | Nouveau procede de synthese du perindopril et de ses sels pharmaceutiquement acceptables |
FR2827860B1 (fr) * | 2001-07-24 | 2004-12-10 | Servier Lab | Nouveau procede de synthese de derives de l'acide (2s, 3as, 7as)-1-[(s)-alanyl]-octahydro-1h-indole-2-carboxyline et application a la synthese du perindopril |
SI1403277T1 (sl) * | 2003-02-28 | 2005-12-31 | Servier Lab | NOV POSTOPEK ZA SINTEZO DERIVATOV (2S, 3aS, 7aS)-1-((S)-ALANIL)-OKTAHIDRO-1H-INDOL-2-KARBOKSILNE KISLINE IN UPORABA PRI SINTEZI PERINDOPRILA |
-
2003
- 2003-02-28 DE DE60301980T patent/DE60301980T2/de not_active Expired - Lifetime
- 2003-02-28 ES ES03290487T patent/ES2250847T3/es not_active Expired - Lifetime
- 2003-02-28 EP EP03290487A patent/EP1338591B1/fr not_active Expired - Lifetime
- 2003-02-28 AT AT03290487T patent/ATE307801T1/de active
- 2003-02-28 DK DK03290487T patent/DK1338591T3/da active
- 2003-02-28 SI SI200330107T patent/SI1338591T1/sl unknown
-
2004
- 2004-02-27 NZ NZ541422A patent/NZ541422A/en not_active IP Right Cessation
- 2004-02-27 PL PL377232A patent/PL219733B1/pl unknown
- 2004-02-27 MY MYPI20040683A patent/MY135169A/en unknown
- 2004-02-27 JP JP2006500161A patent/JP4563371B2/ja not_active Expired - Fee Related
- 2004-02-27 WO PCT/FR2004/000444 patent/WO2004078707A2/fr active Application Filing
- 2004-02-27 EA EA200501256A patent/EA007948B1/ru not_active IP Right Cessation
- 2004-02-27 AR ARP040100611A patent/AR043411A1/es not_active Application Discontinuation
- 2004-02-27 AU AU2004218200A patent/AU2004218200B2/en not_active Ceased
- 2004-02-27 ZA ZA200505779A patent/ZA200505779B/xx unknown
- 2004-02-27 US US10/546,967 patent/US7157484B2/en not_active Expired - Fee Related
- 2004-02-27 CN CNB2004800054078A patent/CN100364974C/zh not_active Expired - Fee Related
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2006
- 2006-05-29 HK HK06106191A patent/HK1086262A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2004078707A3 (fr) | 2004-10-14 |
MY135169A (en) | 2008-02-29 |
DE60301980D1 (de) | 2005-12-01 |
CN100364974C (zh) | 2008-01-30 |
DE60301980T2 (de) | 2006-07-27 |
PL377232A1 (pl) | 2006-01-23 |
SI1338591T1 (sl) | 2006-02-28 |
WO2004078707A2 (fr) | 2004-09-16 |
AR043411A1 (es) | 2005-07-27 |
EA007948B1 (ru) | 2007-02-27 |
ZA200505779B (en) | 2006-09-27 |
HK1086262A1 (en) | 2006-09-15 |
AU2004218200B2 (en) | 2009-07-30 |
EA200501256A1 (ru) | 2006-04-28 |
EP1338591B1 (fr) | 2005-10-26 |
JP4563371B2 (ja) | 2010-10-13 |
US7157484B2 (en) | 2007-01-02 |
JP2006519175A (ja) | 2006-08-24 |
ES2250847T3 (es) | 2006-04-16 |
ATE307801T1 (de) | 2005-11-15 |
DK1338591T3 (da) | 2006-01-23 |
AU2004218200A1 (en) | 2004-09-16 |
EP1338591A1 (fr) | 2003-08-27 |
US20060167273A1 (en) | 2006-07-27 |
NZ541422A (en) | 2008-03-28 |
PL219733B1 (pl) | 2015-07-31 |
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