申请人:Janssen Pharmaceutica, N.V.
公开号:US05746840A1
公开(公告)日:1998-05-05
A process for preparing (+)-6-\x9b(4-chlorophenyl)(1H- 1,2,4-triazol-1-yl)methyl!-1-methyl-1H-benzotriazole comprising the resolution of (.+-.)-6-!(4-chlorophenyl)-hydrazinomethyl)-1-methyl-1H-benzotriazole and converting the appropriate enantiomerically pure hydrazine intermediate into (+)-6-\x9b(4-chlorophenyl)(H- 1,2,4-triazol-1-yl)methyl!-1-methyl-1H-benzotriazole.
一种制备(+)-6-甲基-1-甲基-1H-苯并三唑的方法,包括分离(.+-.)-6-!(4-氯苯基)-肼甲基)-1-甲基-1H-苯并三唑,并将适当的对映纯肼中间体转化为(+)-6-甲基-1-甲基-1H-苯并三唑。