申请人:Janssen Pharmaceutica, N.V.
公开号:US05663354A1
公开(公告)日:1997-09-02
A process for preparing (+)-6-[(4-chlorophenyl)(1H-1,2,4-triazol-1-yl)methyl]-1-methyl-1H-benzotri azole comprising the resolution of (.+-.)-6-[(4-chlorophenyl)-hydrazinomethyl)-1-methyl-1H-benzotriazole and converting the appropriate enantiomerically pure hydrazine intermediate into (+)-6-[(4-chlorophenyl)(1 H-1,2,4-triazol-1-yl)methyl]-1-methyl-1H-benzotriazole.
一种制备(+)-6-[(4-氯苯基)(1H-1,2,4-三唑-1-基)甲基]-1-甲基-1H-苯并三唑的方法,包括对(.+-.)-6-[(4-氯苯基)-肼甲基)-1-甲基-1H-苯并三唑进行拆分,并将适当的对映纯肼中间体转化为(+)-6-[(4-氯苯基)(1 H-1,2,4-三唑-1-基)甲基]-1-甲基-1H-苯并三唑。