Free radical phenylthio group transfer to nonactivated delta-carbon atom in the photolysis reactions of alkyl benzenesulfenates
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A free radical phenylthio group transfer from oxygen to the non-activated delta-carbon atom was achieved by irradiation of alkyl benzenesulfenates 1 in the presence of hexabutylditin, and delta-phenylthio alcohols 2 were obtained in 35-91% yields. However, when reactions were performed in the presence of activated olefins an alkylation of delta-carbon occured and phenylthio ethers of type 3 were obtained in modest yields. (C) 1997 Elsevier Science Ltd.
Source:Tetrahedron Letters, 1997, 38, 40, 7107-7110
- Pergamon-Elsevier Science Ltd, Oxford