申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04621084A1
公开(公告)日:1986-11-04
New imidazo-heterocyclic compounds of the formula: ##STR1## wherein R.sup.1 is hydrogen, lower alkyl or halogen, R.sup.2 is hydrogen, lower alkyl, halogen, aminomethyl optionally substituted with lower alkyl, or piperazin-1-yl-methyl optionally substituted with lower alkyl, R.sup.3 is a partially suturated heterocyclic group selected from benzothiazolinyl, benzoxazolinyl, benzimidazolinyl, 3,4-dihydro-2H-1,4-benzothiazinyl, 3,4-dihydro-2H-1,4-benzoxazinyl and 1,2,3,4-tetrahydroquinoxalinyl, which is substituted with oxo, thioxo, imino or lower alkylimino, and which may be substituted with lower alkyl optionally substituted with lower alkanoyloxy, lower alkoxycarbonyl, pyridyl or lower alkylamino; or an unsaturated heterocyclic group selected from benzoxazolyl and benzimidazolyl, which may be substituted with lower alkyl or pyridyl(lower)alkylthio, and Y is .dbd.N-- or a group of the formula: ##STR2## in which R.sup.4 is hydrogen, hydroxy, lower alkyl, lower alkoxy or ar(lower)alkoxy, and pharmaceutically acceptable salts thereof, and processes for preparation thereof and pharmaceutical composition comprising the same. These derivatives and pharmaceutically acceptable salts thereof are useful as cardiotonic agents and untiulcer agents.
新的咪唑-杂环化合物的化学式翻译如下:其中R.sup.1为氢、较低的烷基或卤素,R.sup.2为氢、较低的烷基、卤素、氨甲基(可选择性地取代为较低的烷基)或哌嗪-1-基甲基(可选择性地取代为较低的烷基),R.sup.3为从苯并噻唑基、苯并噁唑基、苯并咪唑基、3,4-二氢-2H-1,4-苯并噻唑基、3,4-二氢-2H-1,4-苯并噁唑基和1,2,3,4-四氢喹喔啉基中选择的部分饱和杂环基,该基取代为氧代、硫代、亚胺或较低的烷基亚胺,并且可以取代为可选择性地取代为较低的烷基、可选择性地取代为较低的烷酰氧基、较低的烷氧羰基、吡啶基或较低的烷基氨基;或从苯并噁唑基和苯并咪唑基中选择的不饱和杂环基,该基可以取代为较低的烷基或吡啶基(较低)烷基硫基,Y为.dbd.N--或化学式的一个基团:其中R.sup.4为氢、羟基、较低的烷基、较低的烷氧基或芳基(较低)烷氧基,以及其药学上可接受的盐,以及其制备方法和包含它们的药物组合物。这些衍生物及其药学上可接受的盐可用作心力衰竭药物和抗溃疡药物。