Oxothiazolidine compound and composition containing same
申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04764514A1
公开(公告)日:1988-08-16
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.