Process for the preparation of enantiomerically enriched indoline-2-carboxylic acid
申请人:DSM IP Assets B.V.
公开号:EP1676838A1
公开(公告)日:2006-07-05
The present invention relates to a process for the preparation of an enantiomerically enriched optionally substituted indoline-2-carboxylic acid or a salt thereof, said process comprising subjecting an enantiomerically enriched chiral 2-amino-3-(2-X-substituted aryl)-propionic acid or 2-yl-substituted-amino -3-(2-X-substituted aryl)-propionic acid or a salt thereof, wherein X is a leaving group, to cyclisation, preferably at a temperature of below about 140°C, and in case of the yl-substituted compound, removing said yl-substituent by hydrolysis either prior to or after said cyclisation.
Process for the Preparation of Enantiomerically Enriched Indoline-2-Carboxylic Acid
申请人:De Vries Andreas Hendrikus Maria
公开号:US20090043112A1
公开(公告)日:2009-02-12
The present invention relates to a process for the preparation of an enantiomerically enriched optionally substituted indoline-2-carboxylic acid or a salt thereof, wherein an enantiomerically enriched chiral ortho-X-substituted phenylalanine compound, wherein X is a leaving group, is subjected to cyclisation, preferably at a temperature of below about 140° C., upon formation of the enantiomerically enriched indoline-2-carboxylic acid compound.
Process for synthesis of perindopril and pharmaceutically acceptable salts thereof
申请人:Les Laboratoires Servier
公开号:US07208607B1
公开(公告)日:2007-04-24
Process for the synthesis of perindopril of formula (I):
and pharmaceutically acceptable salts thereof.
合成公式(I)的佩利多普利及其药学上可接受的盐的过程。
PROCESS FOR THE PREPARATION OF ENANTIOMERICALLY ENRICHED INDOLINE-2-CARBOXYLIC ACID
申请人:DSM IP Assets B.V.
公开号:EP1833789A1
公开(公告)日:2007-09-19
METHOD FOR PRODUCING OPTICALLY ACTIVE PHENYLALANINE COMPOUNDS FROM CINNAMIC ACID DERIVATIVES EMPLOYING A PHENYLALANINE AMMONIA LYASE DERIVED FROM IDIOMARINA LOIHIENSIS