A (7S,9S) isomer or its racemic modification of the aminonaphthacene derivative of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom, a hydroxyl group or a lower alkoxy group, R.sup.2 is a hydrogen atom or a hydroxyl group, R.sup.3 and R.sup.4 are each a lower alkoxy group or, when taken together, represent an ethylenedioxy group or an oxo group, A is an ethylene group optionally bearing at least one lower alkyl and Q is a hydroxyl group, a lower alkoxy group or a dimethylamino group, or an acid addition salt thereof, which is useful as an anti-tumor agent.
A (7S,9S)异构体或其
氨基
萘乙酮衍
生物的消旋改性物的分子式为:##STR1##其中R.sup.1是氢原子、羟基或较低的烷氧基,R.sup.2是氢原子或羟基,R.sup.3和R.sup.4分别是较低的烷氧基,或者当它们结合在一起时,代表乙二氧基基团或氧代基团,A是一个
乙烯基团,可选地带有至少一个较低的烷基,Q是羟基、较低的烷氧基或二甲基
氨基基团,或其酸加合物盐,可用作
抗肿瘤药物。