申请人:Shionogi & Co., Ltd.
公开号:US04703051A1
公开(公告)日:1987-10-27
Highly effective calcium channel blockers having potent antihypertensive and coronary vasodilating actions, i.e. 4,7-dihydrothieno[2,3-b]pyridine derivatives of the formula: ##STR1## wherein R.sup.1 is straight or branched chain C.sub.1 -C.sub.4 alkyl, alkoxyalkyl, or arylalkyl; R.sup.2 is hydrogen, straight or branched chain C.sub.1 -C.sub.4 alkyl, or alkoxycarbonyl; R.sup.3 is hydrogen, straight or branched chain C.sub.1 -C.sub.4 alkyl, phenyl which may be substituted by one or more halogens or alkoxy groups, optionally substituted cycloalkyl, or optionally substituted cycloalkylalkyl; or R.sub.2 and R.sup.3 taken together may form an alkylene.
具有强效降压和冠状动脉扩张作用的高效钙通道阻滞剂,即具有以下结构的4,7-二氢噻吩[2,3-b]吡啶衍生物:其中R.sup.1是直链或支链C.sub.1-C.sub.4烷基,烷氧基烷基或芳基烷基;R.sup.2是氢,直链或支链C.sub.1-C.sub.4烷基或烷氧羰基;R.sup.3是氢,直链或支链C.sub.1-C.sub.4烷基,苯基(可能被一个或多个卤素或烷氧基取代),可选地取代的环烷基,或可选地取代的环烷基烷基;或R.sub.2和R.sup.3一起可以形成一个亚烯基。