(S)-(-)-4-Benzyl-2-oxazolidinone is used in chiral auxiliary asymmetric alkylation. It has been used in the synthesis of (S)-equol. Preparation and functionalization of chiral, stabilized ylides. It was used for asymmetric synthesis of (3R)- and (3S)-piperazic acid.
David J.Madar; Hana Kopecka; Daisy Pireh; Jonathan Pease; Marina Pliushchev; Richard J.Sciotti; Paul E.Wiedeman; Stevan W.Djuric. Synthesis of N-arylated oxazolidinones via a palladium catalyzed cross coupling reaction. Application to the synthesis of the antibacterial agent Dup-721. Tetrahedron Letters. 2001, 42,(22), 3681-3684.
Ralf-Siegbert Hauck; Heinz Nau. The enantiomers of the valproic acid analogue 2-n-propyl-4-pentynoic acid (4-yn-VPA): Asymmetric synthesis and highly stereoselective teratogenicity in mice. Pharmaceutical Research. 1992, 9,(7), 850-855.
Evans chiral auxiliary; compare (4S)-(-)-Isopropyl-2-oxazolidinone, A14029.
For details of use in enantioselective aldol condensation, see: Org. Synth. Coll., 8, 339 (1993):
A simplified method of acylation of the oxazolidinone, avoiding the need for rigorously anhydrous conditions, has been reported using acyl chlorides, anhydrides or pivaloyl mixed anhydrides as the acylating agents catalyzed by DMAP: Synthesis, 1283 (1996).