Selective Oxidation of Sulfides to Sulfoxides/Sulfones by 30% Hydrogen Peroxide

Y He, X Ma, HF Ji, XB Zha, H Jiang…

Index: He, Ying; Ma, Xiaoyun; Ji, Hai Feng; Zha, Xin Bing; Jiang, Hongliang; Lu, Ming Phosphorus, Sulfur and Silicon and the Related Elements, 2012 , vol. 187, # 7 p. 822 - 830

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Abstract

A selective and efficient procedure for the oxidation of various sulfides with sodium tungstate dihydrate with 30% hydrogen peroxide in the presence of trioctylmethylammonium dihydrogen phosphate, respectively, to the corresponding sulfoxides and sulfones is reported. The oxidation reaction is carried out at –5 to 0 °C in the presence of hydroxypropyl-β-cyclodextrins for sulfoxides or at 50–60 °C for sulfones. The mild reaction conditions, easy workup, and good yields of ...