Ethylenebis( N -methylimidazolium) Chlorochromate ( EBMICC ): An Efficient and Selective Reagent for the Oxidation of Thiols to Disulfides |
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| Authors: | Rahman Hosseinzadeh Mahmood Tajbakhsh Hamid Khaledi and Keivan Ghodrati |
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| Institution: | (1) Universit? Paris-Sud XI, UMR CNRS, Inst. Biochimie, Biophysique, Batiment 430, 91405 Orsay, France;(2) Labo. Biochimie des Signaux, Universit? Paris VI, CNRS UMR 7631, 96 bd. Raspail, 75006 Paris, France; |
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| Abstract: | Ethylenebis(N-methylimidazolium) chlorochromate was prepared by addition of N-methylimidazole to 1,2-dibromoethane to form the corresponding dibromide salt and subsequent treatment of this salt with
CrO3 in 6N HCl solution. It is a stable yellow-orange solid, which oxidized thiols to the corresponding disulfides at room temperature.
Selective oxidation of thiols in the presence of sulfides and hydroxyl groups was also achieved with this reagent. |
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