申请人:Beecham Group Limited
公开号:US04333929A1
公开(公告)日:1982-06-08
A compound of formula (II) or a pharmaceutically acceptable acid addition salt thereof ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different and each represents C.sub.1-6 alkyl; R.sup.5 represents hydrogen or C.sub.1-6 alkyl; R.sup.6 represents C.sub.1-6 alkyl, phenyl optionally substituted with up to 3 groups selected from halogen, C.sub.1-6 alkyl, and C.sub.1-6 alkoxy; or benzyl optionally substituted with up to 3 groups selected from halogen, C.sub.1-6 alkyl and C.sub.1-6 alkoxy; or R.sup.5 and R.sup.6 together represent the remaining members of a 5- or 6-membered ring optionally containing an oxygen, sulphur or additional nitrogen atom and being optionally substituted with C.sub.1-6 alkyl, carboxy or C.sub.1-6 alkoxycarbonyl; and R.sup.7 represents C.sub.1-6 alkyl, phenyl optionally substituted with up to 3 groups selected from halogen, C.sub.1-6 alkyl and C.sub.1-6 alkoxy; or benzyl optionally substituted with up to 3 groups selected from halogen, C.sub.1-6 alkyl and C.sub.1-6 alkoxy, has useful hypoglycaemic activity.
化合物式(II)或其药学上可接受的酸盐,其中R1、R2、R3和R4相同或不同,每个代表C1-6烷基;R5代表氢或C1-6烷基;R6代表C1-6烷基,苯基,可选地用最多3个卤素,C1-6烷基和C1-6烷氧基中的任意组替代;或苄基,可选地用最多3个卤素,C1-6烷基和C1-6烷氧基中的任意组替代;或R5和R6一起代表一个5-或6-成员环的其余成员,该环可选地包含一个氧,硫或额外的氮原子,并可选地用C1-6烷基,羧基或C1-6烷氧羰基替代;R7代表C1-6烷基,苯基,可选地用最多3个卤素,C1-6烷基和C1-6烷氧基中的任意组替代;或苄基,可选地用最多3个卤素,C1-6烷基和C1-6烷氧基中的任意组替代,具有有用的降血糖活性。