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Communication | Regular issue | Vol 19, No. 12, 1982, pp.2247-2250
Published online, 1st January, 1970
DOI: 10.3987/R-1982-12-2247
Sulfer Dioxide Insertion into γ-Functional Vinylic Grinard Reagents. A Facile Synthesis of α,β-Unsaturated γ-Sultines and γ-Sultones

Elisabeth Thoumazeau, Bernard Jousseaume, Françoise Tiffon, and Jean-Georges Duboudin

*Ecole Nationale Spérieure de Chimie et Physique, Université de Bordeaux I, 351, cours de la Libération, 33405 Talence Cedex, France

Abstract

α,β-Unsaturated γ-sultines were synthesised by insertion of sulfur dioxide into γ-functional vinylic Grignard reagents generated by addition of aliphatic or aromatic organomagnesium compounds to α-acetylenic alcohols. These products are easily oxidized to the corresponding γ-sultones.