[EN] PREPARATION OF SITAGLIPTIN INTERMEDIATE<br/>[FR] PRÉPARATION D'UN INTERMÉDIAIRE DE SITAGLIPTINE
申请人:TEVA PHARMA
公开号:WO2009064476A1
公开(公告)日:2009-05-22
Intermediate compounds in the synthesis of Sitagliptin, 3-amino-4-(2,4,5- trifluorophenyl)but-2-enoic acid alkyl ester, and amino protected-3-amino-4-(2,4,5- trifluorophenyl)but-2-enoic acid alkyl ester, and the stereoselective reduction of these compound to give Synthon I, or the amino-protected Synthon I, are provided.
在西他列汀的合成中提供了中间化合物,包括3-氨基-4-(2,4,5-三氟苯基)丁-2-烯酸烷基酯和氨基保护的3-氨基-4-(2,4,5-三氟苯基)丁-2-烯酸烷基酯,以及这些化合物的立体选择性还原以得到合成子I或氨基保护的合成子I。