CN1331883C - (2S,3aS,7aS)-1-[(S)-丙氨酰]-八氢-1H-吲哚-2-甲酸衍生物的新合成方法及其在合成培哚普利中的应用 - Google Patents
(2S,3aS,7aS)-1-[(S)-丙氨酰]-八氢-1H-吲哚-2-甲酸衍生物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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Abstract
本发明涉及式(I)化合物的合成方法,其中,R1表示氢原子或烷基或苄基,R2表示胺官能团的保护基团。本发明还公开了所述化合物在合成培哚普利和其可药用盐中的用途。
Description
本发明涉及式(I)化合物的合成方法:
其中,R1表示氢原子或直链或支链(C1-C6)烷基或苄基,R2表示胺官能团的保护基团。
本发明还涉及式(I)的化合物在合成式(II)的培哚普利和其可药用盐中的用途:
培哚普利和其可药用盐、尤其是其叔丁基胺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工业合成方法获得这种化合物,所述方法能够以良好的收率和优异的纯度得到培哚普利,并且原料价格合理、易于获得。
专利申请EP 1 256 590描述了式(I)化合物的制备方法。
但是,该方法存在的缺点在于需要使用(2S)-二氢吲哚-2-甲酸酯作为原料,但该原料不能购买到,并且其制备过程需要采用以吲哚-2-甲酸为原料的多步合成步骤(包括拆分步骤)。
本申请人现已开发出了一种合成式(I)化合物的新方法,该方法的优点在于采用丙氨酸(一种天然的并且因此而价廉的原料)作为唯一的手性源,并采用易于从丝氨酸获得的化合物。
更具体地,本发明涉及式(I)化合物的合成方法:
其中,R1表示氢原子或直链或支链(C1-C6)烷基或苄基,R2表示胺官能团的保护基团,
其特征在于,使式(III)的1-(1-环己烯-1-基)-吡咯烷:
与式(IV)的丝氨酸化合物反应
其中,R1如对式(I)所定义,R3表示胺官能团的保护基团,得到式(V)的化合物:
其中,R1和R3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,R1如前定义,
将其与式(VII)的丙氨酸化合物反应:
其中,R2如对式(I)所定义,
反应在有机溶剂如四氢呋喃或乙酸乙酯中、在20-50℃的温度下进行,以每摩尔所采用的式(V)化合物的量计,反应中存在1-1.2摩尔的二环己基碳二亚胺和1-1.2摩尔的三乙胺,并且还任选地存在1-羟基苯并三唑,分离和重结晶后,得到式(VIII)化合物:
其中,R1和R2如前定义,
在催化剂例如钯、铂、铑或镍的存在下将其氢化,
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保护后,获得式(I)化合物。
然后,如果需要,将以此方式获得的式(I)化合物进行酸和胺官能团的脱保护反应,再在还原胺化条件下与2-氧代-戊酸乙酯进行偶联反应,或者与式(IX)化合物进行偶联反应:
其中,X表示选自下述的离去基团:卤原子、-O-SO2CH3和
得到旋光纯的培哚普利,如果需要的话,可将其转化成可药用盐如叔丁基胺盐。
式(VIII)化合物为新化合物,可在化学或制药工业中用作合成中间体,特别是用于合成式(I)化合物,从而它们也构成本发明的一部分。
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:(2S,3aS,7aS)-1-{(2S)-2-[(叔丁氧羰基)-氨基]-丙酰基}-八氢-1H-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,然后将混合物恢复至室温。蒸出溶剂后,加入2L水,再加入乙酸。用乙酸乙酯萃取,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)-1-{(2S)-2-[(叔丁氧羰基)-氨基]-丙酰基}-2,3,4,5,6,7-六氢-1H-吲哚-2-甲酸苄酯
在搅拌下,在反应器中加入200g前一步骤获得的化合物、65g三乙胺和2L四氢呋喃,在室温下搅拌10分钟后,再加入123g N-[叔丁氧羰基]-(S)-丙氨酸和130g二环己基碳二亚胺。然后,将多相混合物在室温下搅拌6小时,然后冷却至0℃并过滤。
然后,用10/1的己烷/乙酸乙酯混合物对滤液进行洗涤和重结晶,得到目的产物,收率为81%,化学纯度为98%。
步骤E:(2S,3aS,7aS)-1-{(2S)-2-[(叔丁氧羰基)-氨基]-丙酰基}-八氢-1H-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)-1-{(2S)-2[(叔丁氧羰基)-氨基]-丙酰基}-八氢-1H-吲哚-2-甲酸,收率为87%,对映体纯度为99%。
Claims (5)
1.式(I)化合物的合成方法:
其中,R1表示氢原子或直链或支链(C1-C6)烷基或苄基,R2表示胺官能团的保护基团,
其特征在于,使式(III)的1-(1-环己烯-1-基)-吡咯烷:
与式(IV)的丝氨酸化合物反应
其中,R1如对式(I)所定义,R3表示胺官能团的保护基团,得到式(V)的化合物:
其中,R1和R3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,R1如前定义,
将其与式(VII)的丙氨酸化合物反应:
其中,R2如对式(I)所定义,
反应在有机溶剂中、在20-50℃的温度下进行,以每摩尔所采用的式(V)化合物的量计,反应中存在1-1.2摩尔的二环己基碳二亚胺和1-1.2摩尔的三乙胺,并且还任选地存在1-羟基苯并三唑,
分离和重结晶后,得到式(VIII)化合物:
其中,R1和R2如前定义,
在催化剂的存在下将其氢化,
反应在1-30巴的氢气压力下进行,在任选地对酸官能团进行脱保护或再保护后,获得式(I)化合物。
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,催化剂选自钯、铂、铑和镍。
4.根据权利要求1的合成方法,其中,R1表示氢原子且R2表示叔丁氧羰基。
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 |
|---|---|---|---|
| EP03290486A EP1403277B1 (fr) | 2003-02-28 | 2003-02-28 | Nouveau procédé de synthèse de dérives de l'acide (2S, 3aS, 7aS)-1-((S)-alanyl)-octahydro-1H-indole-2-carboxylique, et application à la synthèse du perindopril |
| EP03290486.4 | 2003-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1753907A CN1753907A (zh) | 2006-03-29 |
| CN1331883C true CN1331883C (zh) | 2007-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004800054063A Expired - Fee Related CN1331883C (zh) | 2003-02-28 | 2004-02-27 | (2S,3aS,7aS)-1-[(S)-丙氨酰]-八氢-1H-吲哚-2-甲酸衍生物的新合成方法及其在合成培哚普利中的应用 |
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| Country | Link |
|---|---|
| US (1) | US7157485B2 (zh) |
| EP (1) | EP1403277B1 (zh) |
| JP (1) | JP4279871B2 (zh) |
| CN (1) | CN1331883C (zh) |
| AR (1) | AR043410A1 (zh) |
| AT (1) | ATE305939T1 (zh) |
| AU (1) | AU2004218202B2 (zh) |
| DE (1) | DE60301774T2 (zh) |
| DK (1) | DK1403277T3 (zh) |
| EA (1) | EA009062B1 (zh) |
| ES (1) | ES2249691T3 (zh) |
| MY (1) | MY136851A (zh) |
| NZ (1) | NZ541423A (zh) |
| PL (1) | PL211506B1 (zh) |
| PT (1) | PT1403277E (zh) |
| SI (1) | SI1403277T1 (zh) |
| WO (1) | WO2004078708A2 (zh) |
| ZA (1) | ZA200505780B (zh) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60301774T2 (de) * | 2003-02-28 | 2006-07-20 | Les Laboratoires Servier | Verfahren zur Synthese von (2S,3aS,7aS)-1-((S)-Alanyl)-octahydro-1H-indol-2-carbonsäurederivaten und Verwendung in der Synthese von Perindopril |
| SI1338591T1 (sl) * | 2003-02-28 | 2006-02-28 | Servier Lab | NOV POSTOPEK ZA SINTEZO (2S,3aS,7aS)-PERHIDROINDOL-2-KARBOKSILNE KISLINE IN NJENIH ESTROV TER UPORABA PRI SINTEZI PERINDOPRILA |
| ATE536342T1 (de) | 2007-10-17 | 2011-12-15 | Dsm Ip Assets Bv | Neue carbamoylglycinderivate |
| WO2009098251A1 (en) * | 2008-02-07 | 2009-08-13 | Dsm Ip Assets B.V. | NOVEL CYCLOALKANONE β-SUBSTITUTED ALANINE DERIVATIVES |
| ES2686298T3 (es) * | 2010-04-20 | 2018-10-17 | Chiral Quest, Inc. | Procedimiento enantioselectivo para alaninas beta sustituidas con cicloalquenilo |
| CN106657507B (zh) * | 2015-11-03 | 2019-07-02 | 中移(杭州)信息技术有限公司 | 一种声学回声消除方法及装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4933361A (en) * | 1981-12-29 | 1990-06-12 | Hoechst Aktiengesellschaft | Derivatives of bicyclic aminoacids agents containing these compounds and their use |
| WO2003016336A1 (fr) * | 2001-07-24 | 2003-02-27 | Les Laboratoires Servier | NOUVEAU PROCEDE DE SYNTHESE DE DERIVES DE L'ACIDE (2S, 3aS, 7aS)-1-[(S)-ALANYL]-OCTAHYDRO-1H-INDOLE-2-CARBOXYLIQUE ET APPLICATION A LA SYNTHESE DU PERINDOPRIL |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1008302C2 (nl) * | 1998-02-13 | 1999-08-16 | Dsm Nv | Werkwijze voor de bereiding van een optisch actief indoline-2-carbonzuur of derivaat daarvan. |
| AU7101700A (en) * | 1999-09-02 | 2001-03-26 | Lexicon Genetics Incorporated | Human calcium dependent proteases and polynucleotides encoding the same |
| FR2807431B1 (fr) * | 2000-04-06 | 2002-07-19 | Adir | Nouveau procede de synthese du perindopril et de ses sels pharmaceutiquement acceptables |
| DE60301774T2 (de) * | 2003-02-28 | 2006-07-20 | Les Laboratoires Servier | Verfahren zur Synthese von (2S,3aS,7aS)-1-((S)-Alanyl)-octahydro-1H-indol-2-carbonsäurederivaten und Verwendung in der Synthese von Perindopril |
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- 2003-02-28 DE DE60301774T patent/DE60301774T2/de not_active Expired - Lifetime
- 2003-02-28 DK DK03290486T patent/DK1403277T3/da active
- 2003-02-28 ES ES03290486T patent/ES2249691T3/es not_active Expired - Lifetime
- 2003-02-28 EP EP03290486A patent/EP1403277B1/fr not_active Expired - Lifetime
- 2003-02-28 AT AT03290486T patent/ATE305939T1/de active
- 2003-02-28 PT PT03290486T patent/PT1403277E/pt unknown
- 2003-02-28 SI SI200330092T patent/SI1403277T1/sl unknown
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2004
- 2004-02-27 JP JP2006500162A patent/JP4279871B2/ja not_active Expired - Fee Related
- 2004-02-27 AU AU2004218202A patent/AU2004218202B2/en not_active Ceased
- 2004-02-27 EA EA200501257A patent/EA009062B1/ru not_active IP Right Cessation
- 2004-02-27 PL PL377220A patent/PL211506B1/pl unknown
- 2004-02-27 WO PCT/FR2004/000445 patent/WO2004078708A2/fr not_active Ceased
- 2004-02-27 US US10/547,132 patent/US7157485B2/en not_active Expired - Fee Related
- 2004-02-27 CN CNB2004800054063A patent/CN1331883C/zh not_active Expired - Fee Related
- 2004-02-27 NZ NZ541423A patent/NZ541423A/en not_active IP Right Cessation
- 2004-02-27 ZA ZA200505780A patent/ZA200505780B/en unknown
- 2004-02-27 MY MYPI20040681A patent/MY136851A/en unknown
- 2004-02-27 AR ARP040100610A patent/AR043410A1/es not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4933361A (en) * | 1981-12-29 | 1990-06-12 | Hoechst Aktiengesellschaft | Derivatives of bicyclic aminoacids agents containing these compounds and their use |
| WO2003016336A1 (fr) * | 2001-07-24 | 2003-02-27 | Les Laboratoires Servier | NOUVEAU PROCEDE DE SYNTHESE DE DERIVES DE L'ACIDE (2S, 3aS, 7aS)-1-[(S)-ALANYL]-OCTAHYDRO-1H-INDOLE-2-CARBOXYLIQUE ET APPLICATION A LA SYNTHESE DU PERINDOPRIL |
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| Publication number | Publication date |
|---|---|
| DK1403277T3 (da) | 2005-11-21 |
| PL211506B1 (pl) | 2012-05-31 |
| WO2004078708A3 (fr) | 2004-10-14 |
| EA009062B1 (ru) | 2007-10-26 |
| PL377220A1 (pl) | 2006-01-23 |
| CN1753907A (zh) | 2006-03-29 |
| DE60301774T2 (de) | 2006-07-20 |
| ES2249691T3 (es) | 2006-04-01 |
| WO2004078708A2 (fr) | 2004-09-16 |
| MY136851A (en) | 2008-11-28 |
| JP4279871B2 (ja) | 2009-06-17 |
| ZA200505780B (en) | 2006-09-27 |
| NZ541423A (en) | 2008-03-28 |
| EP1403277A1 (fr) | 2004-03-31 |
| AR043410A1 (es) | 2005-07-27 |
| PT1403277E (pt) | 2005-11-30 |
| AU2004218202B2 (en) | 2009-07-30 |
| SI1403277T1 (sl) | 2005-12-31 |
| DE60301774D1 (de) | 2006-02-16 |
| AU2004218202A1 (en) | 2004-09-16 |
| EP1403277B1 (fr) | 2005-10-05 |
| US20060149082A1 (en) | 2006-07-06 |
| US7157485B2 (en) | 2007-01-02 |
| JP2006519176A (ja) | 2006-08-24 |
| ATE305939T1 (de) | 2005-10-15 |
| EA200501257A1 (ru) | 2006-04-28 |
| HK1086280A1 (zh) | 2006-09-15 |
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