PROCESS FOR THE PREPARATION OF 2-{4-[2-({[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]METHYL}SULFANYL)-3,5-DICYAN0-6-(PYRROLIDIN-1-YL)PYRIDIN-4-YL]PHENOXY}ETHYL-L-ALANYL-L-ALANINATE MONOHYDROCHLORIDE
申请人:BAYER PHARMA AKTIENGESELLSCHAFT
公开号:US20180155336A1
公开(公告)日:2018-06-07
The present application relates to a novel and improved process for preparing the compound 2-4-[2-([2-(4-chlorophenyl)-1,3-thiazol-4-yl]methyl}sulphanyl)-3,5-dicyano-6-(pyrrolidin-1-yl)pyridin-4-yl]phenoxy}ethyl-L-alanyl L-alaninate monohydrochloride of the formula (I)
to novel precursors for its preparation, and to the preparation and use of crystal modification I of 2-4-[2-([2-(4-chlorophenyl)-1,3-thiazol-4-yl]methyl}sulphanyl)-3,5-dicyano-6-(pyrrolidin-1-yl)pyridin-4-yl]phenoxy}-ethyl-L-alanyl L-alaninate monohydrochloride of the formula (I).
本申请涉及一种新型和改进的制备化合物2-4-[2-([2-(4-氯苯基)-1,3-噻唑-4-基]甲基}硫醇)-3,5-二氰基-6-(吡咯烷-1-基)吡啶-4-基]苯氧基}乙基-L-丙氨酸-L-丙氨酸单盐酸盐的过程,以及其制备的新型前体,以及2-4-[2-([2-(4-氯苯基)-1,3-噻唑-4-基]甲基}硫醇)-3,5-二氰基-6-(吡咯烷-1-基)吡啶-4-基]苯氧基}-乙基-L-丙氨酸-L-丙氨酸单盐酸盐的晶体形态I的制备和使用。