申请人:Otsuka Pharmaceutical Co., Ltd.
公开号:US04070470A1
公开(公告)日:1978-01-24
Novel benzcycloamide derivatives represented by the general formula, ##STR1## wherein R.sub.1 is hydrogen, C.sub.1-4 alkyl, C.sub.2-4 alkenyl or aralkyl; B is --CH.sub.2 --, --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--; A is ##STR2## (wherein R.sub.2 and R.sub.3 may be the same or different and are respectively hydrogen or C.sub.1-4 alkyl) or --CH.dbd.CH--; R.sub.4 is --OR.sub.5 (wherein R.sub.5 is hydrogen, C.sub.1-8 alkyl, cycloalkyl or aralkyl) or ##STR3## (wherein R.sub.6 and R.sub.7 may be the same or different and are respectively hydrogen, C.sub.1-4 alkyl or aralkyl or may form together with the nitrogen atom a 5- or 6-membered heterocyclic group which may further contain a nitrogen, oxygen or sulfur atom); and m and n each are zero or a positive integer and m + n is no more than 11. The benzcycloamide derivatives represented by the above-mentioned general formula (I) have excellent effects of inhibiting platelet aggregation and are useful as preventives for thrombosis and embolism.
通用公式表示的新型苯环酰胺衍生物,其中R.sub.1为氢、C.sub.1-4烷基、C.sub.2-4烯基或芳基;B为--CH.sub.2 --、--CH.sub.2 --CH.sub.2 --或--CH.dbd.CH--;A为##STR2##(其中R.sub.2和R.sub.3可以相同也可以不同,分别为氢或C.sub.1-4烷基)或--CH.dbd.CH--;R.sub.4为--OR.sub.5(其中R.sub.5为氢、C.sub.1-8烷基、环烷基或芳基)或##STR3##(其中R.sub.6和R.sub.7可以相同也可以不同,分别为氢、C.sub.1-4烷基或芳基,或者与氮原子一起形成一个含氮、氧或硫原子的5-或6元杂环基);m和n各自为零或正整数,且m + n不超过11。上述通用公式(I)表示的苯环酰胺衍生物具有优异的抑制血小板聚集作用,并可用作预防血栓形成和栓塞的药物。