申请人:TEIKOKU HORMONE MFG. CO., LTD.
公开号:EP0731106A1
公开(公告)日:1996-09-11
A peptide derivative represented by general formula (I) or a salt thereof, having an antitumor activity more potent than that of Dolastatin 10 and being useful as anticancer and antitumor drugs, wherein A and B represent the groups of either combination (a) or combination (b): (a) A represents hydrogen; and B represents phenyl or heteroaryl substituted by halogen, hydroxy, lower alkyl or lower alkoxy; and (b) A represents -CONH-R1, -CSNH-R1, hydroxymethyl, lower alkoxycarbonyl or carboxy (wherein R1 represents lower alkyl or heteroaryl); and B represents phenyl which may be substituted by halogen, hydroxy, lower alkyl or lower alkoxy.
通式(I)代表的肽衍生物或其盐,其抗肿瘤活性比多拉他汀 10 更强,可用作抗癌和抗肿瘤药物,其中 A 和 B 代表组合(a)或组合(b)的基团:(a) A 代表氢;B 代表被卤素、羟基、低级烷基或低级烷氧基取代的苯基或杂芳基;以及 (b) A 代表-CONH-R1、-CSNH-R1、羟甲基、低级烷氧基羰基或羧基(其中 R1 代表低级烷基或杂芳基);B 代表可被卤素、羟基、低级烷基或低级烷氧基取代的苯基。