N-acyl peptide, processes for their preparation and pharmaceutical compostions thereof
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0085255A2
公开(公告)日:1983-08-10
Compounds of the formula:
wherein
R1 is hydrogen, alkanoyloxy or alkenoyloxy;
R2 is alkyl or alkenyl;
R3 and R4 are each hydrogen, lower alkyl, hydroxy(lower)alkyl, ar(lower) alkyl, esterified carboxy(lower)alkyl, carboxy-(lower)alkyl, protected amino(lower)alkyl or amino(lower)alkyl;
R5 is hydrogen, hydroxy(lower)alkyl, protected amino-(lower)alkyl, amino(lower)alkyl, carboxy(lower)alkyl or esterified carboxy(lower)alkyl;
R6 is carboxy, esterifed carboxy or sulfo(lower)alkyl;
A1, A2 and A3 are each bond or lower alkylene; and m and n are each an integer of 0 or 1; and their pharmaceutically- acceptable salts have anti-complementary activity and fibrinolytic activity, and are useful as therapeutic agents for immunecomplex diseases or autoimmune diseases such as nephritis, rheumatic diseases, systemic lupus erythematosus, etc. and thrombosis such as cerebral apoplexy, coronary insufficiency, pulmonary embolism.
式中的化合物:
式中
R1 是氢、烷酰氧基或烯酰氧基;
R2 是烷基或烯基
R3 和 R4 分别是氢、低级烷基、羟基(低级)烷基、芳基(低级)烷基、酯化羧基(低 级)烷基、羧基(低级)烷基、受保护氨基(低级)烷基或氨基(低级)烷基;
R5 是氢、羟基(低级)烷基、受保护氨基(低级)烷基、氨基(低级)烷基、羧基(低级)烷基或酯化羧基(低级)烷基;
R6 是羧基、酯化羧基或磺基(低级)烷基;
A1、A2 和 A3 分别为键或低级亚烷基;以及 m 和 n 分别为 0 或 1 的整数;它们的药学上可接受的盐具有抗补体活性和纤维蛋白溶解活性,可用作肾炎、风湿病、系统性红斑狼疮等免疫复合物疾病或自身免疫性疾病以及脑栓塞、冠状动脉供血不足、肺栓塞等血栓形成的治疗剂。