Method for producing (4S)-4-[4-cyano-2-(methylsulfonyl)phenyl]-3,6-dimethyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-1,2,3,4-tetrohydro pyrimidine-5-carbonitrile
申请人:pH Pharma Co., Ltd.
公开号:US10316001B2
公开(公告)日:2019-06-11
The present invention concerns a new and improved method for preparation of (4S)-4-[4-cyano-2-(methylsulfonyl)phenyl]-3,6-dimethyl-2-oxo-1-[3-(trifluormethyl)phenyl]-1,2,3,4-tetrahydro pyrimidine-5-carbonitrile of formula (I), as well as the preparation and use of the crystal form (A) of (4S)-4-[4-cyano-2-(methylsulfonyl)phenyl]-3,6-dimethyl-2-oxo-1-[3-(trifluormethyl)phenyl]-1,2,3,4-tetrahydro pyrimidine-5-carbonitrile of formula (I).
本发明涉及一种新的改进方法,用于制备式(I)的(4S)-4-[4-氰基-2-(甲磺酰基)苯基]-3,6-二甲基-2-氧代-1-[3-(三氟甲基)苯基]-1,2,3,4-四氢嘧啶-5-甲腈、以及式(I)的(4S)-4-[4-氰基-2-(甲磺酰基)苯基]-3,6-二甲基-2-氧代-1-[3-(三氟甲基)苯基]-1,2,3,4-四氢嘧啶-5-甲腈的晶型(A)的制备和使用。