申请人:ICI Americas Inc.
公开号:US05164371A1
公开(公告)日:1992-11-17
The invention provides a series of novel heterocyclic ketones of formula I ##STR1## and pharmaceutically acceptable base-addition salts thereof, in which the values of R.sup.4, L, A, X and Q have the meanings defined in the following specification. The compounds of formula I are inhibitors of human leukocytic elastase. The invention also provides pharmaceutical compositions containing a compound of formula I, or a pharmaceutically acceptable base-addition salt thereof, and processes and intermediates for the manufacture of compounds of formula I.
这项发明提供了一系列新颖的杂环酮化合物,其化学式为I ##STR1## 及其药用可接受的盐,其中R.sup.4、L、A、X和Q的值如下文规定。化合物I的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I或其药用可接受的盐的药物组合物,以及化合物I的制备过程和中间体。