Al. Schwan et al., THE SELECTIVE GENERATION OF TRANS-SUBSTITUTED LITHIUM AND SODIUM ETHENESULFENATE ANIONS, Journal of the Chemical Society, Chemical Communications, (17), 1993, pp. 1312-1314
The reaction of anti-alkyl thiirane S-oxides 1 with hindered amide bas
es affords trans-substituted ethenesulfenate anions via a deprotonatio
n-ring-opening sequence.