This invention relates to an improved process for the preparation of 3-acyl-5-alkyldihydro-2(3H)-furanones according to the following reaction scheme: ##STR1## wherein R and R.sub.1 are hydrogen or alkyl and R.sub.2 is a hydrocarbon or -O-hydrocarbon radical of from 1 to 20 carbon atoms and X is a leaving group.
这项发明涉及一种改进的制备3-酰基-5-烷基二氢-2(3H)-
呋喃酮的过程,根据以下反应方案进行:其中R和R.sub.1为氢或烷基,R.sub.2为由1至20个碳原子组成的碳氢或-O-碳氢基团,X为离去基团。