Compounds of the formula ##STR1## in which Y is ##STR2## X is O or S; Z is --CHOH--CH.sub.2 --CHOH--CH.sub.2 --COOH, an ester or salt thereof or the lactone thereof; and each of R.sup.1 R.sup.2 and R.sup.3 can be alkyl, cycloalkyl; or substituted or unsubstituted phenyl; and additionally R.sup.3 can be hydrogen, are obtained by a multi-step process and are useful in the treatment of atherosclerosis, e.g. sodium (E)-7-(4-phenyl-2-isopropyl-5-phenylthien-3-yl)-3,5-dihydroxyhept-6-enoate .
化学式为##STR1##的化合物,其中Y为##STR2##,X为O或S;Z为--CHOH--CH.sub.2 --CHOH--CH.sub.2 --COOH,其酯或盐或内酯;每个R.sup.1,R.sup.2和R.sup.3可以是烷基,环烷基;或取代或未取代的苯基;此外,R.sup.3可以是氢,通过多步反应得到,可用于动脉硬化的治疗,例如(E)-7-(4-苯基-2-异丙基-5-苯基
噻吩-3-基)-3,5-二羟基
庚-6-烯酸钠。