申请人:Takeda Chemical Industries, Ltd.
公开号:EP0011302A1
公开(公告)日:1980-05-28
Novel maytansinoids of the formula:
wherein X is H or Cf, and R is
or-OR3 wherein R1 and R2 may be the same or different, and each is H or a substituted or unsubstituted hydrocarbon residue or heterocyclic group, or R1 and R2 may, taken together with the adjacent N atom, form a heterocyclic group, and R3 is a substituted or unsubstituted hydrocarbon residue, have antimitotic, antitumor and antimicrobial activities.
式中的新型 maytansinoids:
其中 X 是 H 或 Cf,R 是
或-OR3,其中 R1 和 R2 可以相同或不同,且各自为 H 或取代或未取代的烃残基或杂环基团,或 R1 和 R2 可与邻近的 N 原子一起形成杂环基团,R3 为取代或未取代的烃残基,具有抗嗜血杆菌、抗肿瘤和抗菌活性。