2,4-Diaminopteridine derivatives and the pharmaceutically acceptable salts thereof having potent anticancer activity are disclosed. Said derivatives possess the structural formula: previously defined, provided, when Y is NH2, R' must be CH3 and when Y is OH, R' must be OH.
Disclosed are also pharmaceutical preparations containing the 2,4-Diaminopteridine derivatives and a process for preparing same.
wherein Y is NH2, OH or SH , R is
and X is
in which R' is H or CH3 or
in which Rand R' are as
本发明公开了具有强效抗癌活性的 2,4-二
氨基蝶啶衍
生物及其药学上可接受的盐类。所述衍
生物具有如前定义的结构式,条件是当 Y 为 NH2 时,R'必须为
CH3;当 Y 为 OH 时,R'必须为 OH。
还公开了含有 2,4-二
氨基蝶啶衍
生物的药物制剂及其制备方法。
其中 Y 是 NH2、OH 或 SH,R 是
和 X 是
其中 R' 为 H 或 或
其中 Rand R' 为