A 1,3-diketone derivative represented by the general formula (I)
wherein R1 denotes C1-C5 alkyl group; a phenyl group or a phenyl group substituted with halogen atom, C1-C5 alkyl group, C1-C5 alkoxy group; R2 denotes a phenyl group; a phenyl group substituted with 1 to 3 groups selected from the group consisting of a halogen atom, C1-C5 alkyl group, an C1-C5 alkoxy group, a phenyl group, a phenoxy group, and a benzyloxy group optionally having a halogen atom as a substituent on the phenyl ring; naphthyl group; a furyl group; a thienyl group; or a pyridyl group; provided that when R2 is a phenyl group R' is a group otherthan a methyl or phenyl group; and R denotes a hydrogen atom, a methyl group, and a phenyl group and a pharmaceutical composition containing the same as active ingredient.
通式(I)代表的 1,3-二酮衍
生物
其中 R1 表示 C1-C5 烷基;苯基或被卤素原子、C1-C5 烷基、C1-C5 烷氧基取代的苯基;R2 表示苯基;被 1 至 3 个基团取代的苯基,这些基团选自由卤素原子、C1-C5 烷基、C1-C5 烷氧基、苯基、苯氧基和苄氧基组成的组;
萘基;
呋喃基;
噻吩基;或
吡啶基;条件是当 R2 是苯基时,R'是除甲基或苯基以外的基团;R 表示氢原子、甲基和苯基,以及含有这些基团作为活性成分的药物组合物。