申请人:Fujisawa Pharmaceutical Company, Ltd.
公开号:US04801580A1
公开(公告)日:1989-01-31
The invention relates to novel peptides, of pharmacological activity, of the formula: ##STR1## wherein R.sup.1 is hydrogen, R.sub.b.sup.1 is methyl, R.sup.2 is carboxy, carboxymethylcarbamoyl, 1-carboxyethylcarbamoyl or ethoxycarbonylmethylcarbamoyl, R.sup.q is carboxy or 3-t-butoxycarbonylcarbazoyl, R.sup.p is carboxy or methoxycarbonyl, R.sup.r is hydrogen, t-butoxycarbonyl or benzyloxycarbonyl, m is the integer 2, and n is the integer 1, or its pharmaceutically acceptable salt.
本发明涉及一种具有药理活性的新型肽,其化学式为:##STR1## 其中R.sup.1为氢,R.sub.b.sup.1为甲基,R.sup.2为羧基,羧甲基氨甲酰基,1-羧乙基氨甲酰基或乙氧羰基甲基氨甲酰基,R.sup.q为羧基或3-t-叔丁氧羰基咔唑基,R.sup.p为羧基或甲氧羰基,R.sup.r为氢,t-叔丁氧羰基或苄氧羰基,m为整数2,n为整数1,或其药学上可接受的盐。