Benzoyl indolecarboxylates of the formula:
where R1 is hydrogen, halogen, lower alkyl or lower alkoxy; R2 is hydrogen, lower alkyl, acetyl or benzoyi; R3 is hydrogen or lower alkyl; and A is a direct bond, or lower alkylene or vinylene substituted at the 2-, 3- or 5-position of the indole nucleus, and their pharmaceutically acceptable acid addition salts, are provided as effective chymotrypsin inhibitors.
提供了式中的苯甲酰
吲哚羧酸盐:其中 R1 是氢、卤素、低级烷基或低级烷氧基;R2 是氢、低级烷基、乙酰基或苯甲酰;R3 是氢或低级烷基;A 是直接键,或在
吲哚核的 2-、3-或 5-位上取代的低级亚烷基或亚
乙烯基,以及它们的药学上可接受的酸加成盐,作为有效的糜蛋白酶抑制剂。