N-Sulfonyloxaziridines, such as 3 and 4, developed in our laboratories, are useful aprotic oxidizing reagents for the hydroxylation of lithium and Grignard reagents to alcohols and phenolss and for the oxidation of enolates to a-hydroxy carbonyl compo~ nds.~ J~ Not only are these reagents readily prepared'J'and storable, but (camphorylsulfony1) oxaziridine (4) is now commercially available. 12 In connection with our interest in developing new ...