Derivatives of 4,5-dihydro-4-oxofuran-2-carboxylic acid characterized by having two substituents at position 5 and in addition being optionally further substituted at position 3 with a lower alkyl group, as well as esters therefor are disclosed. The foregoing compounds are useful hypolipidemic agents in a mammal. Novel methods for the preparation of these compounds also are disclosed.
本发明涉及在5号位置上具有两个取代基的4,5-二氢-4-氧代
呋喃-2-
羧酸衍
生物,此外还可以在3号位置进一步用较低烷基基团进行取代,并公开了其酯。上述化合物在哺乳动物中是有用的降脂药物。本发明还公开了制备这些化合物的新方法。