Chromanol derivatives, a process for their preparation and compositions containing them
申请人:BEECHAM GROUP PLC
公开号:EP0033613A1
公开(公告)日:1981-08-12
Compounds of the formula (I):
wherein:
R and R2 are independently selected form a hydrogen atom and a C1-3 alkyl group;
R3 is a hydrogen atom, a C1-3 alkyl or C2-4 acyl group;
R4 is a hydrogen atom or C1-5 alkyl group;
Rs is a Ci-5 alkyl group, a straight chain C1-3 alkyl group terminally substituted by a chlorine atom; or
R4 and R5 are joined so that together with the nitrogen atom to which they are attached they form a 5-, 6- or 7-membered ring optionally containing an oxygen or sulphur atom;
R6 is a C1-5 alkyl group;
the NR4R5 and OR3 moieties are trans; and pharmaceutically acceptable salts thereof having antihypertensive activity, processes for their preparation and their use in compositions.
式 (I) 的化合物:
其中
R 和 R2 分别独立地组成氢原子和 C1-3 烷基;
R3 是氢原子、C1-3 烷基或 C2-4 丙烯酸基团
R4 是氢原子或 C1-5 烷基;
Rs 是 Ci-5 烷基、被氯原子末端取代的直链 C1-3 烷基;或
R4 和 R5 连接在一起,与所连接的氮原子一起形成一个 5、6 或 7 元环,环上可选含有一个氧原子或硫原子;
R6 是 C1-5 烷基;
NR4R5和OR3分子为反式;以及具有抗高血压活性的药学上可接受的盐类、其制备工艺和在组合物中的用途。