Compounds of the following general formula are irreversible inhibitors of pancreatic elastase: ##STR1## wherein M is hydroxy, lower alkoxy, benzyloxy or --NY.sub.1 Y.sub.2 wherein each of R.sub.4 and R.sub.5 is hydrogen or lower alkyl; R is CF.sub.3, CHF.sub.2 or CH.sub.2 F; R.sub.1 is straight or branched lower alkyl; R.sub.2 is defined the same as R.sub.1 or is benzyl; R.sub.30 is CHO, carbobenzoxy, tert-butoxycarbonyl, benzoyl or lower alkanoyl; X is pro, ala or leu and Y and Z together form a single bond; or Y-X is ala-pro, ala-ala or ala-leu and Z forms a single bond; and Z-Y-X is ala-ala-pro, ala-ala-ala or pro-ala-leu.
以下通式的化合物是胰
蛋白酶不可逆
抑制剂:##
STR1## 其中M为羟基、低烷
氧基、苄
氧基或--NY.sub.1 Y.sub.2,其中R.sub.4和R.sub.5各自为
氢或低烷基;R为CF.sub.3、CHF.sub.2或CH.sub.2 F;R.sub.1为直链或支链低烷基;R.sub.2与R.sub.1的定义相同或为
苄基;R.sub.30为CHO、羧苄、叔丁
氧羰基、
苯甲酰或低烷酰基;X为脯
氨酸、丙
氨酸或亮
氨酸,Y和Z一起形成单键;或者Y-X为丙
氨酸-脯
氨酸、丙
氨酸-丙
氨酸或丙
氨酸-亮
氨酸,Z形成单键;并且Z-Y-X为丙
氨酸-丙
氨酸-脯
氨酸、丙
氨酸-丙
氨酸-丙
氨酸或脯
氨酸-丙
氨酸-亮
氨酸。