Morpholinyl derivatives of doxorubicin having the general formula A: ##STR1## in which X represents a linear or branched C.sub.2 -C.sub.6 alkyl group or a benzyl group --CH.sub.2 C.sub.6 H.sub.5 and which have (S) or (R) configuration at carbon atom C-2" of the morpholino ring, are antitumor agents.
吗啡啉衍
生物是
阿霉素的衍
生物,其一般式为 A:##STR1## 其中X代表线性或支链的C.sub.2-C.sub.6烷基或苄基--CH.sub.2 C.sub.6 H.sub.5,并且在
吗啡啉环的碳原子C-2"处具有(S)或(R)构型,具有抗肿瘤作用。