申请人:Beecham Group Limited
公开号:US04250173A1
公开(公告)日:1981-02-10
A compound, with hypolgycaemic activity, having formula (II) or a pharmaceutically acceptable quaternary ammonium or acid addition salt thereof: ##STR1## wherein X represents oxygen or sulphur; n.sub.7 represents zero or 1; R.sup.7 represents hydrogen or C.sub.1-6 alkyl; R.sup.1 and R.sup.2 are the same or different and represent hydrogen, C.sub.1-6 alkyl, phenyl, benzyl, or C.sub.3-6 cycloalkyl; R.sup.3 represents hydrogen, C.sub.1-6 alkyl, phenyl or benzyl; R.sup.4 represents hydrogen or C.sub.1-6 alkyl; R.sup.5 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.4 and R.sup.5 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.6 represents phenyl, optionally substituted with up to 3 groups selected from halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkanoyl, C.sub.1-6 alkanoyloxy, nitro, hydroxy, amino, substituted amino, carboxy, and C.sub.1-6 alkoxycarbonyl.
一种具有降血糖活性的化合物,其化学式为(II)或其药用可接受的季铵盐或酸盐:其中X代表氧或硫;n7代表零或1;R7代表氢或C1-6烷基;R1和R2相同或不同,代表氢、C1-6烷基、苯基、苄基或C3-6环烷基;R3代表氢、C1-6烷基、苯基或苄基;R4代表氢或C1-6烷基;R5代表C1-6烷基、苯基,可选地取代为最多3个卤素、C1-6烷基和C1-6烷氧基中的一种;或苄基,可选地取代为最多3个卤素、C1-6烷基和C1-6烷氧基中的一种;或R4和R5一起代表含有氧、硫或额外氮原子的5-或6-成员环的其余成员,可选地取代为C1-6烷基、羧基或C1-6烷氧羰基;R6代表苯基,可选地取代为最多3个卤素、C1-6烷基、C1-6烷氧基、C1-6烷酰基、C1-6烷酰氧基、硝基、羟基、氨基、取代氨基、羧基和C1-6烷氧羰基中的一种。