'A PROCESS FOR PREPARING 2-R1C (O) OCH2 -1,3- DIOXOLANYL -5- ONE'

摘要

A process for preparing 2-[R1C(O)OCH2]- 1,3-dioxolanyl-5-one comprising reacting an acetal of the formula (R1O)2CHR or hemiacetal of the formula (R2O)(HO)CHR wherein R is -(CH2—O—C(O)R1), and each R1 and R2 is independently alkyl, aryl, heteroaryl, heterocyclic, alkaryl, alkylheteroaryl, or alkylheterocyclic, or aralkyl, with glycolic acid in an organic solvent in the presence of a lewis acid.