Stereoselective Rearrangement of β-Hydroxy-N-acyloxazolidin-2-ones to Afford N-2-Hydroxyethyl-1,3-oxazinane-2,4-diones - Feuillet, Fred J P; Niyadurupola, D Gangani; Green, Rachel; Cheeseman, Matt; Bull, Steven D (Synlett, 2005)