New trifluoromethylketone derivatives of the following formula :
wherein
R1 is lower alkyl which has one or two substituents selected from carboxy, esterified carboxy and di-lower alkylcarbamoyl ; phenyl(lower)alkyl, the phenyl moiety of which may have halogen or nitro or amino and the alkyl moiety of which may have carboxy or esterified carboxy ; halo-phenyl ; morpholino ; or morpholino(lower)alkyl,
R2 and R3 are each lower alkyl,
X is - or -NH-, and
Y is
and pharmaceutically acceptable salt thereof, processes for their preparation and pharmaceutical compositions comprising them.
下式的三
氟甲基酮新衍
生物 :
其中
R1 是低级烷基,其上有一个或两个取代基,选自羧基、酯化羧基和二低级烷基
氨基甲酰基;苯基(低级)烷基,其苯基可带有卤素或硝基或
氨基,其烷基可带有羧基或酯化羧基;卤代苯基;吗啉基;或吗啉基(低级)烷基、
R2 和 R3 各为低级烷基、
X 是-或-NH-,以及
Y 是
及其药学上可接受的盐、它们的制备工艺和包含它们的药物组合物。