A novel thiazolidine derivative of the formula: ##STR1## wherein R.sup.1 is a substituted or unsubstituted phenyl group, Q is a single bond, a lower alkylene group or a lower alkenylene group, R.sup.2 and R.sup.3 are the same or different and each is hydrogen atom, a lower alkyl group, a cycloalkyl group, a lower alkanoyl group, a lower alkoxycarbonyl group, a lower alkylsulfonyl group, a benzoyl group, a phenyl group or a di(lower alkyl)phosphoryl group, Alk is a lower alkylene group, and Y and Z are the same or different and each is oxygen atom or sulfur atom, or a pharmaceutically acceptable salt thereof, which is useful as a cardiotonic agent is disclosed together with processes for the preparation of the compound and a pharmaceutical composition containing said compound.
一种新的
噻唑啉衍
生物的
化学式为:##
STR1## 其中R.sup.1是取代或未取代的
苯基,Q是一个单键,一个较低的烷基链或一个较低的
烯基链,R.sup.2和R.sup.3相同或不同,每个都是
氢原子,一个较低的烷基链,一个
环烷基链,一个较低的烷酰基链,一个较低的烷
氧羰基链,一个较低的烷基磺酰基链,一个
苯甲酰基链,一个
苯基或一个二(较低烷基)
磷酰基链,Alk是一个较低的烷基链,Y和Z相同或不同,每个是
氧原子或
硫原子,或其药学上可接受的盐,该化合物可用作心力衰竭药物,还公开了制备该化合物的方法以及含有该化合物的药物组合物。