Alkaline diperiodatocuprate

S. A. Chimatadar, A. K. Kini, and S. T. Nandibewoor, Free radical intervention in the oxidation of sulfanilic acid by alkaline diperiodatocuprate(lll) complex a kinetic and mechanistic approach, Proceedings of the National Academy of Sciences India, vol. 77, pp. 117-121, 2007. [Pg.285]

The kinetics of the oxidation of isopropylamine by diperiodatocuprate(III) complex ion have been studied and the results are consistent with a mechanism in which dissociation of one of the periodate ligands is followed by an adduct formation between [Cu(HIOg)] and isopropylamine. Polymerization of acrylamide indicated the participation of free radicals The kinetics of the oxidation of several diols by diperiodatocuprate(III) (DPC) in aqueous alkaline media have been studied. ... [Pg.222]

Intramolecular electron transfer in a stepwise manner from the amine substrate to die silver(III) center in a 1 2 complex, [Ag(OH)4] -iV,/V-dimcthylanilinc, has been observed.44 The kinetics of oxidation of some aliphatic, heterocyclic, and aromatic aldehydes towards bis(dihydrogentellurato)cuprate(III) and argentate(III) in alkaline medium have been studied.45 A negative salt effect was observed in the oxidation of aminoacetic acid by diperiodatocuprate(III) complex in alkaline medium.46 The oxidation of glutamic acid by thallium(III) perchlorate is catalysed by Ru(M), Os(III), and Nd(III) in a free radical mechanism and the rate is inversely dependent on [H+] concentration.47... [Pg.183]

The oxidation of isonicotinate ion by diperiodatocuprate(in) in aqueous alkali is proposed to involve the formation of an intermediate complex in a pre-equilibrium. The intermediate subsequently disproportionates in the rate-determining step.27 The oxidation of glutamic acid by dihydroxydiperiodatoargentate(III) (DPA) in alkaline medium was found to be first order with respect to DPA and glutamic acid. No free radical was detected. A mechanism has been discussed.28... [Pg.87]

Mechanistic Aspects of Osmium(VIII) Catalyzed Oxidation of L-Tiyptophan by Diperiodatocuprate(III) in Aqueous Alkaline Medium ... [Pg.278]

In presence of osmium(VIII), the reaction between L-tryptophan and diperiodatocuprate(III) DPC in alkaline medium exhibits 1 4 stochiom-etry (L-tryptophan DPC). The reaction shows first-order dependence on [DPC] and[osmium(VIII)], less than unit order in both [L-tryptophan] and... [Pg.278]

N. P. Shetti and S. T. Nandibewoor, Kinetic and mechanistic investigations on oxidation of L-tryptophan by diperiodatocuprate(lll) in aqueous alkaline medium, Zeitschrift fiir Physikalische Chemie. In press. [Pg.284]

D. C. Hiremath, K. T. Sirsalmath, and S. T. Nandibewoor, Osniium(VIII)/ ruthenium(III) catalysed oxidation of L-lysine by diperiodatocuprate(III) in aqueous alkaline medium a comparative mechanistic approach by stopped flow technique, Catalysis Letters, vol. 122, no. 1-2, pp. 144—154, 2008. [Pg.285]

The diperiodatocuprate(lll) (DPC) oxidation of pentoxifylline (PTX) (14) catalysed by Ru(III) in alkaline medium proceeds via a Ru(lll)-PTX complex, which reacts with DPC and decomposes to a free radical in the rate-determining step followed by a fast step to give the products. ... [Pg.110]

A radical mechanism has been proposed for the oxidation of ethylenediamine by diperiodatocuprate(III) in alkaline medium. ... [Pg.209]

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