申请人:E. I. Du Pont de Nemours & Co.
公开号:US04657919A1
公开(公告)日:1987-04-14
Described are compounds of the formula ##STR1## wherein R is hydrogen, lower alkyl, halo, cyano, hydroxy, amino, lower alkylamino, --CH.sub.2 NH.sub.2, --CH.sub.2 OH or --COOR"; R' is hydrogen, lower cycloalkyl or lower alkyl; R' is lower alkenyl, lower alkynyl, lower cycloalkyl, --(W).sub.n Y wherein W is straight or branched chain lower alkyl or lower alkenyl, n is 0 to 5, and Y is Ar, lower cycloalkyl, lower alkenyl, lower alkynyl, --COOZ wherein Z is lower alkyl, ##STR2## or NAB wherein A and B are, independently, lower alkyl, benzyl or substituted benzyl, and Ar is 2, 3 or 4-pyridyl, pyridazinyl, pyrimidinyl, quinolyl, isoquinolyl, phthalazinyl, quinazolinyl, thiazolyl, phenyl, benzyl, furyl, tetrahydrofuryl or thienyl, unsubstituted or substituted with lower alkyl, lower alkoxy, halo, amino, or --CF.sub.3 ; R"' is --COOR", ##STR3## and X is oxygen or nitrogen; or a pharmaceutically acceptable salt thereof, and their use in the treatment of impaired ventricular myocardial contractility. The compounds exhibit cardiotonic activity.
描述了化合物的公式##STR1##其中R是氢,低烷基,卤素,氰基,羟基,氨基,低烷基氨基,--CH.sub.2 NH.sub.2,--CH.sub.2 OH或--COOR"; R'是氢,低环烷基或低烷基; R'是低烯基,低炔基,低环烷基,--(W).sub.n Y,其中W是直链或支链低烷基或低烯基,n为0到5,Y是Ar,低环烷基,低烯基,低炔基,--COOZ,其中Z是低烷基,##STR2##或NAB,其中A和B分别是低烷基,苯甲基或取代苯甲基,Ar是2,3或4-吡啶基,吡嗪基,嘧啶基,喹啉基,异喹啉基,菲噻嗪基,喹唑啉基,噻唑基,苯基,苄基,呋喃基,四氢呋喃基或噻吩基,未取代或取代低烷基,低烷氧基,卤素,氨基或--CF.sub.3 ; R"'是--COOR",##STR3##,X是氧或氮;或其药学上可接受的盐,并且它们用于治疗心室肌收缩功能障碍。这些化合物表现出心脏强心活性。