申请人:Nihon Nohyaku Co., Ltd.
公开号:US04835153A1
公开(公告)日:1989-05-30
This invention relates to a malonic acid derivative represented by the general formula (I) ##STR1## wherein R.sup.1 and R.sup.2, which may be the same or different, represents hydrogen atom; C.sub.1 -C.sub.12 alkyl group; C.sub.1 -C.sub.8 alkyl group substituted with C.sub.1 -C.sub.5 alkoxy group, a tetrahydrofuryl group, a phenyl group or a phenyl group substituted with 1 to 3 groups selected from the group consisting of halogen atoms, C.sub.1 -C.sub.5 alkyl groups and C.sub.1 -C.sub.5 alkoxy groups; or C.sub.2 -C.sub.6 alkenyl group; R.sup.3 and R.sup.4, which may be the same or different, represent hydrogen atom, C.sub.1 -C.sub.6 alkyl group, C.sub.2 -C.sub.6 alkenyl group, C.sub.2 -C.sub.8 alkoxyalkyl group, benzoyl group, C.sub.2 -C.sub.8 alkylcarbonyl group, C.sub.2 -C.sub.8 alkoxycarbonyl group, C.sub.1 -C.sub.4 alkylsulfonyl group or aralkyl group including benzyl group, and R.sup.5, R.sup.6 and R.sup.7, which may be the same or different, represent hydrogen atom or C.sub.1 -C.sub.4 alkyl group, and its pharmaceutically acceptable salts, a process for producing the same and a pharmaceutical composition containing the same.
本发明涉及一种由通式(I)表示的丙二酸衍生物,其中R1和R2,可以相同也可以不同,表示氢原子;C1-C12烷基;C1-C8烷基,被C1-C5烷氧基,四氢呋喃基,苯基或苯基,其中苯基被1到3个从卤素原子,C1-C5烷基和C1-C5烷氧基组成的群体中选择的基团所取代;或C2-C6烯基;R3和R4,可以相同也可以不同,表示氢原子,C1-C6烷基,C2-C6烯基,C2-C8烷氧烷基,苯甲酰基,C2-C8烷基羰基基团,C2-C8烷氧羰基基团,C1-C4烷基磺酰基团或包括苄基团的芳基烷基团,以及R5、R6和R7,可以相同也可以不同,表示氢原子或C1-C4烷基,以及其药学上可接受的盐,制备该物质的过程以及含有该物质的药物组成物。