Selective Oxidation of Sulfides to Sulfoxides and Sulfones Using n -Butyltriphenylphosphonium Dichromate (Bu n PPh 3 ) 2 Cr 2 O 7 in the Presence of Aluminium Chloride in Solution and Under Microwave Irradiation
A wide variety of sulfides are efficiently oxidized to their corresponding sulfoxides and sulfones in excellent yields using n-butyltriphenylphosphonium dichromate (BTPPDC) in the presence of aluminium chloride in acetonitrile solution and under microwave irradiation. In addition, selective oxidation of sulfides in the presence of functional groups such as a carbon–carbon double bond, ketone, oxime, aldehyde, ether, and acetal can be considered as a noteworthy advantage of this method.
Keywords: Dichromate; oxidation; sulfides; sulfones; sulfoxides
Document Type: Research Article
Affiliations: Department of Chemistry, Isfahan University, Isfahan, Iran
Publication date: 01 December 2005
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