Reduction of Sulfoxides with Sodium or Benzyl Bromide

Angela M. Bernard; Maria G. Caredda; P. Paolo Piras; Ermanno Serra

doi:10.1055/s-1990-26867

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Synthesis 1990; 1990(4): 329-330
DOI: 10.1055/s-1990-26867

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Reduction of Sulfoxides with Sodium or Benzyl Bromide

Angela M. Bernard^* , Maria G. Caredda, P. Paolo Piras, Ermanno Serra

^*Istituto di Chimica Farmaceutica, Tossicologica ed Applicata, Università di Cagliari, Via Ospedale 72, I-09100 Cagliari, Italy

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Publication Date:
17 September 2002 (online)

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The reduction of dimethyl and diphenyl sulfoxides, and of alkyl and arylbenzyl sulfoxides to the corresponding sulfides can be carried out using sodium bromide without solvent or benzyl bromide in dimethylformamide, mostly through an oxidation-reduction cycle catalyzed by developing hydrobromic acid.