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
硫代
噻唑啉化合物,其
化学式为:其中R.sup.1是酰基;二(较低)烷基
氨基(较低)烷基
氨甲酰(较低)烷基;芳基
氨甲酰(较低)烷基;芳基(较低)烷基
氨甲酰(较低)烷基;杂环
氨甲酰(较低)烷基;杂环(较低)烷基
氨甲酰(较低)烷基;
噻唑啉基甲酰(较低)烷基;吗啉基甲酰(较低)烷基或
化学式的基团:在其中A是较低烷基;n为0或1的整数;m为2或3的整数;X是--N--,--CH--和R.sup.2是羟基;可能具有羟基的较低烷基;可能具有卤素的芳基烷基;可能具有卤素的芳基
硫;酰基或杂环基团,Y是--S--,或其药用可接受盐。该化合物可用作认知激活剂。该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。