Virtually complete control of simple and face diastereoselectivity in the Michael addition reactions between achiral equivalents of a nucleophilic glycine and (S)- or (R)-3-(E-enoyl)-4-phenyl-1,3-oxazolidin-2-ones: practical method for preparation of beta-substituted pyroglutamic acids and prolines.
Source:http://linkedlifedata.com/resource/pubmed/id/15255725
J. Org. Chem.
2004
Jul
23
69
15
4984-90
