申请人:Otsuka Pharmaceutical Co., Ltd.
公开号:US04415572A1
公开(公告)日:1983-11-15
A piperazinylcarbostyril compound of the formula (I) ##STR1## wherein R.sup.1 represents a hydrogen atom, a lower alkyl group, a lower alkenyl group, a lower alkynyl group, or a phenyl-lower alkyl group; R.sup.2 represents a hydrogen atom or a lower alkoxy group; R.sup.3 represents a hydrogen atom, a lower alkanoyl group, a furoyl group, a pyridylcarbonyl group, a lower alkanesulfonyl group, a lower alkoxycarbonyl group, a lower alkoxycarbonyl-lower alkyl group, a phenylsulfonyl group which may be substituted with a lower alkyl group on the benzene ring thereof, a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a phenylcarbonyl group, a phenyl-lower alkyl group or a phenyl-lower alkanoyl group where each of said phenylcarbonyl group, phenyl-lower alkyl group and phenyl-lower alkanoyl group may be substituted with 1 to 3 of a lower alkoxy group, a halogen atom, a lower alkyl group, a cyano group, a nitro group, an amino group, a hydroxy group, a lower alkanoylamino group, a lower alkylthio group and a lower alkanoyloxy group, or with a lower alkylenedioxy group on the benzene ring thereof; and the bonding between the 3- and 4-positions of the carbostyril nucleus is a single bond or a double bond; or its pharmaceutically acceptable salt, useful as a cardiotonic agent.
化合物的中文翻译如下:
一种具有以下结构式(I)的哌嗪基羧基喹啉化合物
其中R.sup.1代表氢原子、较低的烷基基团、较低的烯基基团、较低的炔基基团或苯基-较低的烷基基团;R.sup.2代表氢原子或较低的烷氧基团;R.sup.3代表氢原子、较低的烷酰基团、呋喃酰基团、吡啶基羰基团、较低的烷基磺酰基团、较低的烷氧羰基团、较低的烷氧羰基-较低的烷基基团、苯基磺酰基团,其在苯环上可能被较低的烷基基团取代,较低的烷基基团、较低的烯基基团、较低的炔基基团、苯基羰基团、苯基-较低的烷基基团或苯基-较低的烷酰基团,其中所述的苯基羰基团、苯基-较低的烷基基团和苯基-较低的烷酰基团中的每一个可能被1至3个较低的烷氧基团、卤原子、较低的烷基基团、氰基、硝基、氨基、羟基、较低的烷基酰氨基基团、较低的烷基硫基团和较低的烷基氧基团,或在其苯环上与较低的烷基二氧基基团取代;以及羧基喹啉核的3-位和4-位之间的键合是单键或双键;或其药学上可接受的盐,用作心力衰竭药物。