The invention concerns pharmaceutically useful trifluoromethyl ketone substituted di-, tri- and tetra-peptide derivatives of the formulae Ia, Ib, Ic set out hereinafter, and salts thereof, which are inhibitors of human leukocyte elastase. Also described herein are pharmaceutical compositions containing a peptide derivative and processes and intermediates for use in the manufacture of the peptide derivatives.
本发明涉及以下公式Ia、Ib、Ic所示的具有药用三
氟甲基酮取代的二肽、三肽和四肽衍
生物及其盐,它们是人类白细胞
弹性蛋白酶的
抑制剂。本文还描述了含有肽衍
生物的药物组合物,以及用于制造肽衍
生物的过程和中间体。