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Borax‐Catalyzed and pH‐Controlled Selective Oxidation of Organic Sulfides by H 2 O 2 : An Environmentally Clean Protocol

2009; Wiley; Volume: 2009; Issue: 20 Linguagem: Inglês

10.1002/ejoc.200900265

1434-193X

Sahid Hussain, Saitanya K. Bharadwaj, Ravindra Pandey, Mihir K. Chaudhuri,

Oxidative Organic Chemistry Reactions

Abstract The selective oxidation of sulfides to sulfoxides and sulfones was achieved in high yields at room temperature with borax as a recyclable catalyst and H 2 O 2 as the terminal oxidant by varying the pH of the reaction medium. The borax/H 2 O 2 system can chemoselectively oxidize alkyl and aryl sulfides in the presence of oxidation‐prone functional groups such as C=C, –CN, and –OH.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)