申请人:Egis Gyogyszergyar
公开号:US05071849A1
公开(公告)日:1991-12-10
The invention relates to new dihydropyrimidothiazine derivatives, a process for the preparation thereof, pharmaceutical compositions comprising the same and new intermediates useful in the preparation of the said dihydropyrimidothiazine derivatives. The new dihydropyrimidothiazine derivatives of the general formula I, ##STR1## wherein R.sup.1 represents C.sub.1-6 alkoxy, amino or phenylamino, R.sup.2 stands for C.sub.1-6 alkyl or phenyl, R.sup.3 represents hydrogen or C.sub.1-6 alkyl, and R.sup.4 denotes C.sub.1-11 alkyl or phenyl optionally bearing one or more identical or different substituent/s/ selected from halogen, nitro, amino, di-(C.sub.1-6 alkyl)-amino, C.sub.1-6 alkyl, C.sub.1-6 alkoxy and hydroxy, and pharmaceutically acceptable acid addition salts thereof exert valuable antianginal and/or antiinflammatory effect/s/ and are useful in therapy.
该发明涉及新的二氢嘧啶噻嗪衍生物,其制备方法,包含相同成分的药物组合物和制备所述二氢嘧啶噻嗪衍生物的新中间体。一般式I的新二氢嘧啶噻嗪衍生物如下:其中R.sup.1代表C.sub.1-6烷氧基,氨基或苯胺基,R.sup.2代表C.sub.1-6烷基或苯基,R.sup.3代表氢或C.sub.1-6烷基,R.sup.4代表C.sub.1-11烷基或苯基,可选地带有一个或多个相同或不同的卤素、硝基、氨基、二-(C.sub.1-6烷基)-氨基、C.sub.1-6烷基、C.sub.1-6烷氧基和羟基取代基,以及其药用可接受的酸盐具有宝贵的抗心绞痛和/或抗炎作用,并且在治疗中有用。