申请人:Daiichi Pharmaceutical Co., Ltd.
公开号:US04939255A1
公开(公告)日:1990-07-03
A novel hexa-cyclic compound, a derivative of camptothecin, of the general formula: ##STR1## The compound is prepared from an aminoketone compound and a pyranoindolizine compound through Friedlaender reaction. It has an excellent antitumor activity and a high degree of safety, and can be applied as an antitumor medicine for curing tumors of various kinds.
一种新型的六环化合物,是喜树碱的衍生物,其一般式为:##STR1## 该化合物是通过弗里德兰德反应从氨基酮化合物和吡喃吲哚啉化合物制备而成的。它具有优异的抗肿瘤活性和高度的安全性,可用作治疗各种类型肿瘤的抗肿瘤药物。