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Digitale Medien

Effect of sulfuric acid on reactions of peroxymonosulfate ion with sulfides and thiol esters (1998)

Bunton, Clifford A. ; Kumar, Anurag

Chichester : Wiley-Blackwell

Journal of Physical Organic Chemistry 11 (1998), S. 803-808

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Details

ISSN: 0894-3230

Schlagwort(e): peroxymonosulfate ion ; oxidation ; sulfuric acid ; Chemistry ; Theoretical, Physical and Computational Chemistry

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Physik

Notizen: Peroxymonosulfate ion, HSO5-, as Oxone in aqueous H2SO4, oxidizes sulfides [MeSC6H4X(p), X = Me, H, NO2] to sulfoxides and converts aryl thiobenzoates [PhCOSC6H4X(p), X = Me, H] and thiol phosphorus(V) esters [Ph2POSPh, (EtO)2POSPh, Ph2POSEt, Ph(EtO)POSEt] into the acids and sulfonate ions. Second-order rate constants increase with increasing concentration of H2SO4 (10-53 wt%), owing to the high polarity of the medium rather than to acid catalysis. The rate increases fit the Grunwald-Winstein equation based on YOTs solvent parameters derived from rate effects on SN1 solvolyses. © 1998 John Wiley & Sons, Ltd.

Zusätzliches Material: 7 Ill.

Materialart: Digitale Medien

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