Author's Organization:Faculty of Pharmaceutical Sciences, Kyushu University Faculty of Pharmaceutical Sciences, Kyushu University Faculty of Pharmaceutical Sciences, Kyushu University
Reaction of alkanesulfonyl chloride with α-hydroxycyclopentanones in the presense of triethylamine in CH2Cl2 at room temperature afforded the sultones and α, β-unsaturated sultones; the usual alkanesulfonate was not obtained.