A new class of antitumor glycoside antibiotics of the formula (IA): ##STR1## wherein R is hydrogen or hydroxy; and X is ##STR2## These compounds are prepared, using novel intermediates, by condensing the appropriate aglycone and branched-chain aminodeoxy sugar to form the .alpha.-glycosidic linkage.
一种新型的抗肿瘤糖苷类抗生素,其
化学式为(IA):##STR1## 其中,R为氢或羟基;X为##STR2## 这些化合物通过使用新型中间体将适当的无糖基和支链
氨基脱氧糖合成α-糖苷键而制备。