[EN] FUSED BICYCLIC HETEROCYCLES USEFUL AS DIPEPTIDYL PEPTIDASE-IV INHIBITORS [FR] HÉTÉROCYCLES BICYCLIQUES FONDUS, UTILISÉS COMME INHIBITEURS DE LA DIPEPTIDYLPEPTIDASE-4
[EN] FUSED BICYCLIC HETEROCYCLES USEFUL AS DIPEPTIDYL PEPTIDASE-IV INHIBITORS [FR] HÉTÉROCYCLES BICYCLIQUES FONDUS, UTILISÉS COMME INHIBITEURS DE LA DIPEPTIDYLPEPTIDASE-4
[EN] IMPROVED PROCESS FOR PREPARATION OF PURE LINAGLIPTIN<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION DE LINAGLIPTINE PURE
申请人:REDDYS LAB LTD DR
公开号:WO2013098775A1
公开(公告)日:2013-07-04
The present application provides a process for preparation of Linagliptin reacting (R)-piperidine-3-amine of Formula II or an acid addition salt thereof with 1-[(4-methyl- quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine of Formula III in the presence of a suitable base in an inert organic solvent.
The present invention relates to novel hypoglycemic compounds of formula I and pharmaceutically acceptable salts thereof. The invention relates to novel amino acid derivatives of the formula I,
wherein,
A is amino acid
B is peptide bond
R-NH- wherein R is defined in the specification
本发明涉及式 I 的新型降血糖化合物及其药学上可接受的盐类。本发明涉及式 I 的新型氨基酸衍生物、
其中
A 是氨基酸
B 是肽键
R-NH- 其中 R 在说明书中定义
US8907086B2
申请人:——
公开号:US8907086B2
公开(公告)日:2014-12-09
[EN] FUSED BICYCLIC HETEROCYCLES USEFUL AS DIPEPTIDYL PEPTIDASE-IV INHIBITORS<br/>[FR] HÉTÉROCYCLES BICYCLIQUES FONDUS, UTILISÉS COMME INHIBITEURS DE LA DIPEPTIDYLPEPTIDASE-4