An ellipticine derivative of the formula [I]:
wherein R is a substituted lower alkyl group, a substituted or unsubstituted lower alkoxy group or a heteromonocyclic group,
or a pharmaceutically acceptable salt thereof, which show excellent antitumor activity, less side effects, less toxicity and/or high solubility in water and are useful as antitumor agent, and a process for preparing the same.
公式[I]的椭圆
咔唑衍
生物,其中R是取代的低级烷基基团,取代或未取代的低级烷氧基团或杂环单环基团,或其药学上可接受的盐,它们表现出良好的抗肿瘤活性,副作用小,毒性小和/或在
水中具有高溶解度,并且可用作抗肿瘤剂,以及制备它们的过程。