Compounds useful in treating cardiovascular disorders such as thrombosis, hypertension and atherosclerosis are depicted in formulas (1), (2) and (3): ##STR1## wherein: A is --C.tbd.C--, trans --HC.dbd.CH--, --CH.sub.2 CH.sub.2 -- or --CH.dbd.CHCH.sub.2 --; X is lower alkoxy, hydroxy, or (2,2,2)-trifluoroethoxy; Y is hydrogen, exo-(lower alkyl) or endo-(lower alkyl); is an integer of 2-4; R.sub.1 is --CH.sub.2 OH, --CHO, --CO.sub.2 R or --CO.sub.2 H, and the olefin formed by the R.sub.1 (CH.sub.2).sub.n CH.dbd. moiety is either (E) or (Z); R.sub.2 is hydrogen or methyl, or optionally --CH.dbd.CH.sub.2 when A is --CH.dbd.CHCH.sub.2 --; and R.sub.3 is linear or branched alkyl, alkenyl or alkynyl having 5-10 carbon atoms, ##STR2## --(CH.sub.2).sub.m -phenyl or CH.sub.2 O-phenyl; in which each phenyl may be optionally substituted with lower alkyl, lower alkoxy, trifluoromethyl, or halogen; in which: a is an integer of 0, 1 or 2; b is an integer of 3-7; m is an integer of 0, 1 or 2; and R is ##STR3## wherein x is ##STR4## in which each R.sub.4 is independently hydrogen or lower alkyl having 1-6 carbon atoms, and the pharmaceutically acceptable, non-toxic salts and esters thereof.
                            该公式描述了用于治疗心血管疾病如血栓形成、高血压和动脉粥样硬化的化合物,其
化学式为(1)、(2)和(3): ##STR1## 其中:A为--C.tbd.C--,顺式--HC.dbd.CH--,--CH.sub.2 CH.sub.2 --或--CH.dbd.CHCH.sub.2 --;X为低级烷氧基,羟基或(2,2,2)-三
氟乙氧基;Y为氢,外向式(低级烷基)或内向式(低级烷基);为2-4的整数;R.sub.1为--CH.sub.2 OH,--CHO,--CO.sub.2 R或--CO.sub.2 H,R.sub.1(CH.sub.2).sub.n CH.dbd.基团形成的烯烃为(E)或(Z);R.sub.2为氢或甲基,当A为--CH.dbd.CHCH.sub.2 --时,可选择性地为--CH.dbd.CH.sub.2;R.sub.3为线性或支链烷基、烯基或炔基,具有5-10个碳原子, ##STR2## --(CH.sub.2).sub.m-苯基或CH.sub.2 O-苯基;其中每个苯基可以选择性地用低级烷基、低级烷氧基、三
氟甲基或卤素取代;其中:a为0、1或2的整数;b为3-7的整数;m为0、1或2的整数;R为 ##STR3## 其中x为 ##STR4## 其中每个R.sub.4独立地为氢或具有1-6个碳原子的低级烷基,以及其药学上可接受的、非毒性的盐和酯。