申请人:Hoffmann-La Roche Inc.
公开号:US04169100A1
公开(公告)日:1979-09-25
Compounds represented by the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are lower alkyl, R.sub.4 is lower alkoxy, R.sub.6 and R.sub.8 are methyl or trifluoro methyl, R.sub.9 is formyl, hydroxymethyl, alkoxymethyl, alkanoyloxymethyl, carboxyl, alkoxycarbonyl, lower alkenoxycarbonyl, lower alkynoxycarbonyl, carbamoyl, mono(lower alkyl)-carbamoyl, di(lower alkyl)carbamoyl or N-heterocyclylcarbonyl, R.sub.5, R.sub.7, R.sub.10, R.sub.11, R.sub.12 and R.sub.13 are hydrogen or fluorine with the proviso that at least one of R.sub.5, R.sub.7, R.sub.10, R.sub.11, R.sub.12 or R.sub.13 is fluorine or at least one of R.sub.6 or R.sub.8 is trifluoro methyl, or pharmaceutically acceptable salts thereof useful as antitumor agents are disclosed.
由公式##STR1##表示的化合物,其中R.sub.1、R.sub.2和R.sub.3是较低的烷基,R.sub.4是较低的烷氧基,R.sub.6和R.sub.8是甲基或三氟甲基,R.sub.9是甲酰基、羟甲基、烷氧甲基、烷酰氧甲基、羧基、烷氧羰基、较低的烯氧羰基、较低的炔氧羰基、氨基、单(较低的烷基)-氨基甲酰基、二(较低的烷基)氨基甲酰基或N-杂环羰基,R.sub.5、R.sub.7、R.sub.10、R.sub.11、R.sub.12和R.sub.13是氢或氟,但至少其中一个是氟,或R.sub.6或R.sub.8中至少一个是三氟甲基,或其药学上可接受的盐,用作抗肿瘤剂。