申请人:Takeda Chemical Industries, Ltd.
公开号:US04563446A1
公开(公告)日:1986-01-07
Novel compounds of the formula: ##STR1## wherein R.sup.2 is an aromatic or heterocyclic group, which may optionally be substituted, R.sup.2 is a methyl group, a hydroxymethyl group, a nitroxymethyl group, a formyl group, a nitrogen-containing five-membered ring-methyl group, an acetal-methyl group, a trialkylsilyloxymethyl group, an alkyl- or aryl-sulfonyloxymethyl group, an alkyl- or aryl-sulfonylaminocarbonyloxymethyl group, an acyloxymethyl group, an alkoxycarbonyloxymethyl group, a halogenomethyl group, an alkoxymethyl group, an aryloxymethyl group, a cyano group, a carbamoyl group which may optionally be substituted, a carbamoyloxymethyl group which may optionally be substituted, a thiocarbamoyloxymethyl group which may optionally be substituted, and an alkoxycarbonyl group, n is an integer of 1 to 20, and ##STR2## provided that n is an integer of 9 to 20 when ##STR3## and, at the same time, R.sup.2 is a carboxyl group or an alkoxycarbonyl group, or a pharmacologically acceptable salt thereof, have a selective inhibitory action on biosynthesis of thromboxane A.sub.2 (TXA.sub.2) and an effect of enhancing the production of prostaglandin I.sub.2 (PGI.sub.2), and can be used for mammals to prevent and treat arterial thrombosis caused by platelet aggregation or ischemic diseases caused by vasospasms in cardiac, cerebral and peripheral circulatory system (e.g. cardiac infarction, stroke, occlusion of blood vessels in kidney, lung and other organs, pectic ulcer, etc.).
该化合物的新型化合物的公式为:##STR1## 其中R.sup.2是芳香或杂环基团,可以选择性地被取代,R.sup.2是甲基基团、羟甲基基团、硝基甲基基团、甲酰基基团、含氮五元环甲基基团、缩醛基甲基基团、三烷基硅氧基甲基基团、烷基或芳基磺酰氧基甲基基团、烷基或芳基磺酰氨基羰氧基甲基基团、酰氧基甲基基团、烷氧羰氧基甲基基团、卤代甲基基团、烷氧基甲基基团、芳氧基甲基基团、氰基、可以选择性地被取代的氨基甲酰基、可以选择性地被取代的氨基甲酰氧基、可以选择性地被取代的硫脲甲酰氧基和烷氧羰基基团,n是1到20的整数,且当##STR3## 同时,R.sup.2是羧基或烷氧羰基基团时,n是9到20的整数,或其药学上可接受的盐,具有选择性抑制血栓素A.sub.2(TXA.sub.2)生物合成和增强前列腺素I.sub.2(PGI.sub.2)生产的作用,可用于哺乳动物预防和治疗由血小板聚集引起的动脉血栓形成或由心脏、脑和周围循环系统(如心肌梗塞、中风、肾脏、肺和其他器官的血管闭塞、胃溃疡等)的血管痉挛引起的缺血性疾病。