申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04735957A1
公开(公告)日:1988-04-05
New thiazole derivatives of the formula: ##STR1## wherein R.sup.1 is lower alkyl, carboxy, a drivative of carboxy, hydroxymethyl, halomethyl, lower alkylthiomethyl, hydroxyiminomethyl or alkenyl which may be substituted with lower alkoxycarbonyl, pyridyl or cyano, R.sup.2 is hydrogen, hydroxy, lower alkyl, pyridyl, amino, lower alkylamino, pyridylamino, arylamino, acylamino, N-(lower)alkylN-acylamino, guanidino optionally substituted with dimethylaminomethylene, or ar(lower)alkylamino optionally substituted with lower alkoxy, R.sup.3 is lower alkyl, halo(lower)alkyl or N-containing unsaturated heterocyclic group which may be substituted with halogen, lower alkyl, lower alkoxy, carboxy, a derivative of carboxy, hydroxy, pyridyl, amino, lower alkylamino, pyridylamino, arylamino, acylamino, N-(lower)alkyl-N-acylamino, guanidino, N-oxide or ar(lower)alkylamino optionally substituted with lower alkoxy, Q is --CO--, and n is an integer of 0 or 1, provided that when both of R.sup.1 and R.sup.3 are lower alkyl then n is an integer of 1 and R.sup.2 is lower alkyl, pyridyl, amino, lower alkylamino, pyridylamino, arylamino, acylamino, N-(lower)alkyl-N-acylamino, guanidino optionally substituted with dimethylaminomethylene, or ar(lower)alkylamino optionally substituted with lower alkoxy, and when R.sup.1 is lower alkyl and R.sup.3 is halo(lower)alkyl then n is an integer of 1, 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 anti-ulcer agents.
新的
噻唑衍
生物的
化学式为:##
STR1## 其中R.sup.1是较低的烷基,羧基,羧基衍
生物,
羟甲基,卤代
甲基,较低的烷基
硫甲基,羟基
亚胺甲基或
烯基,该
烯基可以用较低的烷
氧羰基,
吡啶基或
氰基取代,R.sup.2为
氢,羟基,较低的烷基,
吡啶基,
氨基,较低的烷基
氨基,
吡啶基
氨基,芳基
氨基,酰基
氨基,N-(较低)烷基N-酰基
氨基,瓜二
氨基可选地用
二甲氨基甲基取代,或者是可选地用较低的烷
氧基取代的ar(较低)烷基
氨基,R.sup.3是较低的烷基,卤代(较低)烷基或含
氮的不饱和杂环基,该基可以用卤代,较低的烷基,较低的烷
氧基,羧基,羧基衍
生物,羟基,
吡啶基,
氨基,较低的烷基
氨基,
吡啶基
氨基,芳基
氨基,酰基
氨基,N-(较低)烷基-N-酰基
氨基,瓜二
氨基,N-
氧化物或可选地用较低的烷
氧基取代的ar(较低)烷基
氨基取代,Q为--CO--,n为0或1的整数,但当R.sup.1和R.sup.3都是较低的烷基时,n为1的整数,而R.sup.2为较低的烷基,
吡啶基,
氨基,较低的烷基
氨基,
吡啶基
氨基,芳基
氨基,酰基
氨基,N-(较低)烷基-N-酰基
氨基,瓜二
氨基可选地用
二甲氨基甲基取代,或者是可选地用较低的烷
氧基取代的ar(较低)烷基
氨基,而当R.sup.1为较低的烷基且R.sup.3为卤代(较低)烷基时,n为1的整数,以及其药学上可接受的盐,以及其制备方法和包含其的制药组合物。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。