申请人:Taisho Pharmaceutical Co., Ltd.
公开号:US04686292A1
公开(公告)日:1987-08-11
Novel benzo[.alpha.]phenazine derivatives of the formula ##STR1## wherein R.sup.1 is hydrogen, halogen, methyl, hydroxyl or alkoxy, R.sup.2 is --COOR.sup.5 (wherein R.sup.5 is hydrogen, straight or branched chain alkyl, cycloalkyl having 3-6 carbon atoms, benzyl or phenyl) or ##STR2## wherein R.sup.6 and R.sup.7 are the same or different and are each hydrogen or lower alkyl, or R.sup.6 and R.sup.7 together with the nitrogen atom to which they are attached form pyrrolidine or piperidine), R.sup.3 and R.sup.4 are the same or different and are each hydrogen or lower alkyl, and n is an integer of 2 or 3, and the salts thereof are disclosed. These compounds have antitumor activity in mammals.
本发明涉及一种新型苯并[.alpha.]菲啶衍生物,其化学式为##STR1##其中,R.sup.1是氢、卤素、甲基、羟基或烷氧基,R.sup.2是--COOR.sup.5(其中R.sup.5是氢、直链或支链烷基、具有3-6个碳原子的环烷基、苄基或苯基)或##STR2##其中,R.sup.6和R.sup.7相同或不同,均为氢或低烷基,或R.sup.6和R.sup.7与它们所连接的氮原子形成吡咯烷或哌嗪),R.sup.3和R.sup.4相同或不同,均为氢或低烷基,n为2或3,以及它们的盐。这些化合物在哺乳动物中具有抗肿瘤活性。