7-O-(4-Amino-2,4,6-trideoxy-2-fluoro-.alpha.-L-mannopyranosyl)-daunomycinon e or -adriamycinone is now synthesized as a daunomycinone or adriamycinone derivative having the general formula ##STR1## wherein R is a hydrogen atom or hydroxyl group. These novel compounds according to this invention exhibit excellent antitumor activities and have a high solubility in water, and hence they are useful as an antitumor agent.
7-O-(4-
氨基-2,4,6-三去氧-2-
氟-.alpha.-L-
甘露糖基)-
多柔比星酮或
阿霉素酮现在被合成为具有一般式##STR1##的
多柔比星酮或
阿霉素酮衍
生物,其中R是氢原子或羟基。根据本发明,这些新化合物表现出优异的抗肿瘤活性,并且在
水中具有高溶解度,因此它们是一种有用的抗肿瘤剂。