Anthracycline glycosides of Formula
wherein R1, represents a hydrogen atom or a hydroxy group; R2 represents a hydrogen atom or an acyl group; R3 represents hydrogen, a methyl, amino, hydroxymethyl, aminomethyl or acylaminomethyl group; R4 represents a hydrogen atom, an amino or a hydroxy group; R3 and R4 together may represent a methylene group, and their pharmaceutically acceptable acid addition salts, togetherwith a process of preparation are disclosed.
There are also described new intermediate compounds as well as pharmaceutical compositions, which are effective against certain mammaliantumors.
式中的
蒽环苷
其中 R1 代表氢原子或羟基;R2 代表氢原子或酰基;R3 代表氢、甲基、
氨基、羟甲基、
氨基甲基或酰
氨基甲基;R4 代表氢原子、
氨基或羟基;R3 和 R4 可共同代表亚甲基,本发明公开了它们的药学上可接受的酸加成盐及其制备方法。
此外,还介绍了对某些哺乳动物肿瘤有效的新中间体化合物和药物组合物。