申请人:CORTECH, INC.
公开号:EP0484949A2
公开(公告)日:1992-05-13
2-Heteroaromatic alkanoate esters of formula (I) which are useful as inhibitors of human leukocyate or neutrophil elastase.
wherein
R₁ and R₂ , which may be the same or different, are selected from the group consisting of hydrogen , alkyl of 1-4 carbons and cycloalkyl of 3-6 carbons, or together represents a methylene group -(CH₂)n- where n is a whole number of 1 to 6, provided that R₁ and R₂ are not both hydrogen;
Ar is optionally substituted phenyl; and
Het is an optionally substituted heterocyclic ring containing one or more N, S or O atoms in the ring, and its pharmaceutically acceptable salts.
可用作人类白细胞或中性粒细胞弹性蛋白酶抑制剂的式 (I) 2-杂芳基烷酸酯。
其中
R₁ 和 R₂,可以相同或不同,选自由氢、1-4 个碳原子的烷基和 3-6 个碳原子的环烷基组成的组,或共同代表亚甲基-(CH₂)n-,其中 n 为 1-6 的整数,但 R₁ 和 R₂ 不能都是氢;
Ar 是任选取代的苯基
Het 是环中含有一个或多个 N、S 或 O 原子的任选取代的杂环,及其药学上可接受的盐类。