申请人:ICI AMERICAS INC.
公开号:EP0276101A3
公开(公告)日:1989-11-23
The invention provides a series of novel substituted peptide derivatives of the formulae la, Ib and Ic (set out hereinafter) and pharmaceutically acceptable salts thereof, in which the radicals A, R1, R2 and R4-R9 have the meanings defined in the following specification. The compounds of formulae la, Ib, and Ic are inhbitors of human leukocytic elastase. The invention also provides pharmaceutical compositions containing a compound of formula la, Ib or Ic, or a pharmaceutically acceptable salt thereof and processes and intermediates for the manufacture of compounds of formulae la, Ib, and Ic.
该发明提供了一系列新颖的肽衍生物,其化学式为Ia、Ib和Ic(以下列出),以及其药学上可接受的盐,其中基团A、R1、R2和R4-R9的含义如下规范中所定义。化合物Ia、Ib和Ic是人类白细胞弹性蛋白酶的抑制剂。该发明还提供了含有化合物Ia、Ib或Ic或其药学上可接受的盐的药物组合物,以及用于制备化合物Ia、Ib和Ic的工艺和中间体。