申请人:THE WELLCOME FOUNDATION LIMITED
公开号:EP0341837A2
公开(公告)日:1989-11-15
The present invention relates to Compounds of formula (I):
wherein R¹ is hydrogen;
R² and R³ are the same or different and are each hydrogen or C₁₋₄ alkyl;
R⁴ is NR¹¹R¹²;
R⁵, R⁶, R¹¹ and R¹² are each hydrogen;
m is zero;
n is 3 and one of R⁷, R⁸, R⁹ and R¹⁰ is chloro, fluoro, methyl or methoxy and the rest are hydrogen;
or n is 4 and each of R⁷, R⁸, R⁹ and R¹⁰ is hydrogen;
and pharmaceutically acceptable salts thereof, methods for their preparation, pharmaceutical formulations containing them and their use in the treatment of tumours.
本发明涉及式(I)化合物:
其中 R¹ 为氢;
R² 和 R³ 相同或不同,各自为氢或 C₁₋₄ 烷基;
R⁴ 是 NR¹¹R¹²;
R⁵、R⁶、R¹¹ 和 R¹² 各为氢;
m 为零
n 为 3,且 R⁷、R⁸、R⁹ 和 R¹⁰ 中的一个为氯、氟、甲基或甲氧基,其余为氢;
或 n 为 4,且 R⁷、R⁸、R⁹ 和 R¹⁰ 均为氢;
以及它们的药学上可接受的盐、它们的制备方法、含有它们的药物制剂和它们在治疗肿瘤中的用途。