[EN] NEW CRYSTALLINE SALT FORMS OF A 5,6,7,8-TETRAHYDRO-1,2,4- TRIAZOLO[4,3-A]PYRAZINE DERIVATIVE [FR] NOUVELLES FORMES CRISTALLINES DE SELS D'UN DÉRIVÉ DE 5,6,7,8-TÉTRAHYDRO-1,2,4- TRIAZOLO[4,3-A]PYRAZINE
Processes for the preparation of sitagliptin and pharmaceutically acceptable salts thereof
申请人:Dr. Reddy's Laboratories Limited
公开号:US08309724B2
公开(公告)日:2012-11-13
There is provided an improved process for the preparation of Sitagliptin of Formula II by reduction of compound of Formula VIII to Formula IX followed by deprotection of Formula IX to afford Sitagliptin of Formula II.
PROCESSES FOR THE PREPARATION OF SITAGLIPTIN AND PHARMACEUTICLLY ACCEPTABLE SALTS THEREOF
申请人:Padi Pratap Reddy
公开号:US20100274017A1
公开(公告)日:2010-10-28
There is provided salts and polymorphs of sitagliptin, processes for the preparation thereof, and pharmaceutical compositions comprising the same.
本发明提供了西格列汀的盐和多晶形式,其制备方法以及包含它们的制药组合物。
PROCESSES FOR THE PREPARATION OF SITAGLIPTIN AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF
申请人:DR. REDDY'S LABORATORIES LIMITED
公开号:US20130035486A1
公开(公告)日:2013-02-07
There is provided salts and polymorphs of sitagliptin, processes for the preparation thereof, and pharmaceutical composition comprising the same.
提供了西格列汀的盐和多型体,其制备方法以及包含它们的药物组合物。
[EN] PROCESSES FOR THE PREPARATION OF SITAGLIPTIN AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF<br/>[FR] PROCÉDÉS DE PRÉPARATION DE SITAGLIPTINE ET SELS PHARMACEUTIQUEMENT ACCEPTABLES DE CELLE-CI
申请人:REDDYS LAB LTD DR
公开号:WO2009085990A3
公开(公告)日:2009-09-03
[EN] NEW CRYSTALLINE SALT FORMS OF A 5,6,7,8-TETRAHYDRO-1,2,4- TRIAZOLO[4,3-A]PYRAZINE DERIVATIVE<br/>[FR] NOUVELLES FORMES CRISTALLINES DE SELS D'UN DÉRIVÉ DE 5,6,7,8-TÉTRAHYDRO-1,2,4- TRIAZOLO[4,3-A]PYRAZINE