Ceric Ammonium Nitrate Catalyzed Oxidation of Sulfides to Sulfoxides

Mohammed Hashmat Ali*, Donna Kriedelbaugh, Timothy Wencewicz

*Chemistry Department, Southeast Missouri State University, One University Plaza, Cape Girardeau, MO 63701, USA, Email: mhalisemo.edu

M. H. Ali, D. Kriedelbaugh, T. Wencewicz, Synthesis, 2007, 3507-3511.

DOI: 10.1055/s-2007-990827

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Abstract

Oxidation of sulfides to sulfoxides with a catalytic amount of ceric ammonium nitrate reagent supported on silica gel has been achieved using stoichiometric sodium bromate as the primary oxidant. The heterogeneous CAN/NaBrO₃ reagent enables the use of an organic solvent and simplifies the reaction work-up and product isolation.

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Key Words

silica gel, solid support, CAN, sodium bromate, sulfides, sulfoxides

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ID: J66-Y2007-3720