Patent ID: 6288239
Filing Date: 2001-09-11
Classification: C07B,C07D

Abstract:
A process for the preparation of 5-trityloxymethyl-2-oxazolidinone which comprises:(a) reacting with stirring a 4-trityl ether of 3,4-dihydroxybutyramide with an alkali or alkaline earth hypohalite in water in the presence of an alkali or alkaline earth metal hydroxide and an organic solvent in a reaction mixture to produce the 5-trityloxymethyloxazolidine;(b) separating the 5-trityloxymethyl-2-oxazolidinone from the reaction mixture which is separated from the water in the organic solvent; and(c) removing the organic solvent to produce the 5-trityloxymethyl-2-oxazolidinone.