[EN] NOVEL FORM OF N-(TRANS-4-ISOPROPYLCYCLOHEXYLCARBONYL)-D-PHENYLALANINE [FR] NOUVELLE FORME DE N-(TRANS-4-ISOPROPYLCYCLOHEXYLCARBONYL)-D-PHENYLALANINE
[EN] A PROCESS FOR THE PREPARATION OF NATEGLINIDE<br/>[FR] PROCÉDÉ DE PRÉPARATION DE NATÉGLINIDE
申请人:CIPLA LTD
公开号:WO2011157986A1
公开(公告)日:2011-12-22
The present invention relates to a process for the preparation of substantially pure nateglinide of formula (I), substantially free from the cis-isomer and L-enantiomer and preparation of enantiomerically pure nateglinide form B, directly from the hydrolysis of a (-)-N-(trans-4-isopropylcyclohexyl-1-carbonyl)-D-phenylalanine alkyl ester in a ketonic solvent or water or mixture thereof.
[EN] CRYSTALLINE FORM OF NATEGLINIDE AND PROCESS FOR PREPARATION THEREOF<br/>[FR] FORME CRISTALLINE DE NATEGLINIDE ET PROCEDE DE PREPARATION CORRESPONDANT
申请人:REDDYS LAB LTD DR
公开号:WO2004020396A1
公开(公告)日:2004-03-11
A new crystalline form of nateglinide (N-(trans-4-isopropylcyclohexanecarbonyl)D-phenylalanine) is provided. The new crystalline form is described by X-ray owder diffraction. Process for making the new crystalline form of nateglinide a e also provided.
The present invention relates to a process for the preparation of substantially pure nateglinide of formula (I), substantially free from the cis-isomer and L-enantiomer and preparation of enantiomerically pure nateglinide form B, directly from the hydrolysis of a (−)-N-(trans-4-isopropylcyclohexyl-1-carbonyl)-D-phenylalanine alkyl ester in a ketonic solvent or water or mixture thereof.
Novel form of n-(trans-4-isopropylcyclohexylcarbonyl)-d-phenylalanine
申请人:Rajamahendra Shanmughasamy
公开号:US20050165108A1
公开(公告)日:2005-07-28
The present invention relates to a novel crystalline form of N-(trans-4-isopropylcyclohexylcarbonyl)-D-phenylalanine and methods for preparing the same.