申请人:Soni Rohit Ravikant
公开号:US20100249430A1
公开(公告)日:2010-09-30
The invention relates to novel compound of formula (IV), which is an organic acid salt of N-[(2′-cyanobipheny1-4-yl)methyl]-(L)-valine ester. This compound is an useful intermediate for process of preparation of Valsartan of formula (I), chemically known as (S)-N-(1-Carboxy-2-methylprop-1-yl)-N-pentanoyl-N-[2′-(1H-terazol-5-yl)biphenyl-4-ylmethyl]amine. This invention also relates to a process for preparing Valsartan using novel intermediate of formula (IV).
本发明涉及一种化合物,其化学式为(IV),是N-[(2'-氰基联苯基-4-基)甲基]-(L)-缬氨酸酯的有机酸盐。该化合物是制备化学式为(I)的氨基酸受体拮抗剂缬沙坦的有用中间体。化学式为(I)的缬沙坦是(S)-N-(1-羧基-2-甲基丙基)-N-戊酰-N-[2'-(1H-四唑-5-基)联苯基-4-甲基]胺。本发明还涉及一种使用化合物(IV)的新中间体制备缬沙坦的方法。