Process for synthesizing the lactone, (dl) 3,3a beta-4,5-6,6a betahexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-cy clopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.sub..alpha. and a process for preparing 11-desoxy and 11-alkyl prostaglandins from dihydroresorcyclic acid.
合成内酯(dl)3,3a beta-4,5-6,6a betahexahydro-4beta(3-羟基-1-反式
辛烯基)-5alpha-羟基-2-氧基-2H-环戊[b]
呋喃的过程,该化合物是合成
前列腺素E.sub.2和F.sub.2.sub..alpha.的已知中间体。以及从二氢间苯二酸制备11-去氧和11-烷基
前列腺素的过程。