Oxidative dimerization of thiols to disulfide using recyclable magnetic nanoparticles

Oxidative dimerization of thiols to disulfide using recyclable magnetic nanoparticles Keywords Thiol  Disulfide  Cation exchanged Montmorillonite  Magnetic nanoparticles  Oxidative dimerization Introduction The conversion of thiols to the corresponding disulfides is an important reaction in chemical processes. Disulfides have industrial applications as vulcanizing agents [1] and are important synthetic intermediates with many applications in organic synthesis [2, 3]. Disulfide bond formation is important in peptides [4] and bioactive molecules [5]. Oxidative dimerization of thiols to disulfides under neutral and mild conditions without overoxidation is an important process in organic chemistry [6] and biochemistry [7], which has been investigated over the years. Many successful reagents have been developed for the synthesis of disulfides without over-oxidation of thiols to sulfoxides and sulfones [8]. Various reagents and oxidants have been employed for the conversion of thiols to disulfides. This conversion has been accomplished using reagents such as permanganates [9], sodium perborate [10], ferric chloride [11], sodium chlorite [12], hydrogen peroxide [13], halogens [14], molecular oxygen [15], PCC [16], ammonium persulfate [17], 2,6-dicarboxypyri- dinium chlorochromate [18], 1,3-dibromo-5,5-dimethylhydantoin [19], N-phenyl- triazolinedione [20], molecular bromine on hydrated silica gel support [21], iodine and CeCl 7H O in graphite [22], monochloro poly(styrenehydantoin) beads [23], 3 2 solid anhydrous potassium phosphate [24], cetyltrimethylammonium dichromate http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Oxidative dimerization of thiols to disulfide using recyclable magnetic nanoparticles

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Springer Netherlands
Copyright © 2016 by Springer Science+Business Media Dordrecht
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
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