Novel estradiol derivative-chlorambucil conjugate, process for preparing the same, and pharmaceutical composition
申请人:KUREHA CHEMICAL INDUSTRY CO., LTD.
公开号:EP0573977A2
公开(公告)日:1993-12-15
An estradiol derivative-chlorambucil conjugate of the formula (I):
wherein R1 is alkyl or alkoxyl of 1 to 4 carbon atoms; R2 is acyl, dansyl, or alkyl; R3, R4, and R5 independently are H, oxo, OH, or acyloxy; m is an integer of 1 to 3; and n is an integer of 0 to 3; provided that when n is 0, all of R3, R4, and R5 are not H at the same time, and at least one of R3, R4, and R5 is a group other than H and OH; and further, when n is 2 or 3, the groups R1 are the same or different; a process for preparing the same, and a pharmaceutical composition containing the conjugate are described.
式 (I) 的雌二醇衍生物-氯霉素共轭物:
其中 R1 为 1 至 4 个碳原子的烷基或烷氧基;R2 为酰基、丹酰基或烷基;R3、R4 和 R5 独立地为 H、氧代、OH 或酰氧基;m 为 1 至 3 的整数;n 为 0 至 3 的整数;条件是当 n 为 0 时,所有 R3、R4 和 R5 不是同时为 H,并且 R3、R4 和 R5 中至少有一个是除 H 和 OH 以外的基团;进一步地,当 n 为 2 或 3 时,基团 R1 相同或不同;描述了制备相同物质的工艺以及含有该共轭物的药物组合物。