申请人:Daiichi Pharmaceutical Co., Ltd.
公开号:US05852019A1
公开(公告)日:1998-12-22
The present invention provides a novel compound which is represented by formula (I): ##STR1## wherein preferable examples of R.sup.1 to R.sup.6 are as follows; R.sup.1 and R.sup.2 are each an alkyl group optionally substituted by a halogen atom, an amino group, a hydroxyl group, an alkoxyl group or a thiol group, a hydrogen atom, a halogen atom or an alkoxyl group; R.sup.3 is a hydrogen atom; R.sup.4 is a methyl group; R.sup.5 is a hydrogen atom or an alkyl group; and R.sup.6 is a group of the formula: ##STR2## wherein Z is a phenyl group; and has an antitumor effect.
本发明提供了一种新型化合物,其由式(I)表示:##STR1##其中R.sup.1至R.sup.6的优选示例如下;R.sup.1和R.sup.2分别是可选择地由卤原子、氨基、羟基、烷氧基或硫醇基取代的烷基基团,氢原子,卤原子或烷氧基;R.sup.3是氢原子;R.sup.4是甲基基团;R.sup.5是氢原子或烷基基团;R.sup.6是下式的基团:##STR2##其中Z是苯基;并具有抗肿瘤作用。