This invention provides a oxothiazolidine compound of the formula: ##STR1## wherein R.sup.1 is acyl; di(lower)alkylamino(lower)alkylcarbamoyl(lower)alkyl; arylcarbamoyl(lower)alkyl; ar(lower)alkylcarbamoyl(lower)alkyl; heterocyclic carbamoyl(lower)alkyl; heterocyclic(lower)alkylcarbamoyl(lower)alkyl; thiazolidinylcarbonyl(lower)alkyl; morpholinylcarbonyl(lower)alkyl or a group of the formula: ##STR2## in which A is lower alkylene; n is an integer of 0 or 1; m is an integer of 2 or 3; X is --N--, ##STR3## or --CH-- and R.sup.2 is hydroxy; lower alkyl which may have hydroxy; ar(lower)alkyl which may have halogen; arylthio which may have halogen; acyl or heterocyclic group and Y is --S--, ##STR4## or pharmaceutically acceptable salt thereof. This compound is useful as cognition activator. This invention further provides processes for the preparation of this compound and pharmaceutical composition comprising compound of the above formula.
这项发明提供了一种氧代
噻唑啉化合物,其
化学式为:##STR1## 其中R.sup.1是酰基;二(较低)烷基
氨基(较低)烷基
氨基甲酰(较低)烷基;芳基
氨基甲酰(较低)烷基;芳(较低)烷基
氨基甲酰(较低)烷基;杂环
氨基甲酰(较低)烷基;杂环(较低)烷基
氨基甲酰(较低)烷基;
噻唑啉基羰基(较低)烷基;吗啉基羰基(较低)烷基或式子:##STR2## 其中A是较低的烷基;n是0或1的整数;m是2或3的整数;X是--N--,##STR3## 或--CH--,R.sup.2是羟基;可带有羟基的较低烷基;可带有卤素的芳(较低)烷基;可带有卤素的芳基
硫基;酰基或杂环基;Y是--S--,##STR4## 或其药学上可接受的盐。该化合物可用作认知激活剂。本发明还提供了制备该化合物的方法和包含上述化合物的药物组合物。