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■ Synthetically Useful Transformations of δ-Sultones and Thiane-1,1-dioxides Obtained by C-H Insertion

Christian S. Jungong, Jinu P. John, Joseph P. Bequette, and Alexei V. Novikov*

*Chemistry Department, University of North Dakota, 151 Cornell St. Stop 9024, Grand Forks, ND 58201, U.S.A.

Abstract

δ-Sultones and thiane-1,1-dioxides that carry a carbethoxy group at α-position, easily accessible by C-H insertion, are potentially useful synthetic intermediates. Their stereoselective alkylation, rearrangement and conversion to γ-lactones have been demonstrated.