Process to prepare oxazolidinones

The invention claims a wherein the initial of a compound as formula (I) or glycidyl (IV), wherein 5 of the methyl is from urethane (IIA) or trifluoromethyl dimethylacetylamide (IIB) 2- (ketol (III) to (methyl substituted 2- (ketol (III) and corresponding amino compound 5 to the methyl is the method for quinoline total alkanol (VI), wherein the quinoline total and butyryl, wherein in the trade the anti-bacterial agent according 5 acyl amino methyl substituted 2- (ketone (VIII).