ChemInform Abstract: THALLIUM(III) OXIDATION OF ALKENES AND ALKYNES AND RUTHENIUM(III) CATALYSIS IN THE OXIDATION OF ALKENES: A KINETIC AND MECHANISTIC STUDY

Radhakrishnamurti, P. S.; Panda, H. P.

doi:10.1002/chin.198341105

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“…fine chem.) in 0.20 mol dm 73 hydrochloric acid and its concentration was ascertained by EDTA [11,12] titration. Dilute solution of ruthenium(III) were made from the stock solution as required.…”

Section: Introductionmentioning

confidence: 99%

Ruthenium(III) mediated oxidation of glycerol by cerium(IV) in aqueous sulfuric acid medium – a kinetic and mechanistic study

Savanur

Hosahalli

Nandibewoor

et al. 2009

Main Group Chemistry

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The micro amount of (10 76 mol dm 73 ) ruthenium(III) mediated oxidation of glycerol by cerium(IV) in an aqueous sulfuric acid medium has been studied spectrophotometrically at 258C and I ¼ 1.60 mol dm 73 . The stoichiometry is 1:2, i.e. one mole of glycerol requires two moles of cerium(IV). The main oxidation products were identified as cerium (III) and glycolic aldehyde. The reaction is first order in both cerium(IV) and ruthenium(III) concentrations. The order with respect to glycerol concentration varies from first order to zero order as the glycerol concentration increases. An increase in sulfuric acid concentration decreases the reaction rate. The added sulfate and bisulfate also decreases the rate of reaction. The added product cerium(III) and glycolic aldehyde do not have any significant effect on the reaction. The active species of oxidant and catalyst are Ce(SO 4 ) 2 and [Ru(H 2 O) 6 ] 3þ . The possible mechanism is proposed and reaction constants involved have been determined. The activation parameters are determined with respect to slow step of the mechanism.

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Section: Introductionmentioning

confidence: 99%

Ruthenium(III) mediated oxidation of glycerol by cerium(IV) in aqueous sulfuric acid medium – a kinetic and mechanistic study

Savanur

Hosahalli

Nandibewoor

et al. 2009

Main Group Chemistry

View full text Add to dashboard Cite

show abstract

ChemInform Abstract: THALLIUM(III) OXIDATION OF ALKENES AND ALKYNES AND RUTHENIUM(III) CATALYSIS IN THE OXIDATION OF ALKENES: A KINETIC AND MECHANISTIC STUDY

Abstract: Die Reihenfolge der Reaktivität bei der Oxidation durch Tl(OAc)3 in wäßriger AcOH/HClO4 ist Styrol Pheny1acetylen/ trans‐Stilben Diphenylacetylen.

Cited by 1 publication

References 1 publication

Ruthenium(III) mediated oxidation of glycerol by cerium(IV) in aqueous sulfuric acid medium – a kinetic and mechanistic study

Ruthenium(III) mediated oxidation of glycerol by cerium(IV) in aqueous sulfuric acid medium – a kinetic and mechanistic study

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