This invention relates to novel elsamicin A derivatives wherein the 2"-amino group is selectively modified by acylation or alkylation, a process for producing said elsamicin A derivatives, an antitumor composition containing the same as the active ingredient, and a method for therapy using said compositions.
本发明涉及新型的elsamicin A衍
生物,其中2" -
氨基团通过酰化或烷基化进行选择性修饰,一种生产该elsamicin A衍
生物的方法,一种包含其作为活性成分的抗肿瘤组合物以及使用该组合物的治疗方法。