Abstract
Kinetics and Mechanism of the Oxidation of Aliphatic Aldehydes by Benzimidazolium Dichromate
Highlights
EXPERIMENTALSelective oxidation of organic compounds under nonaqueous conditions is an important transformation in synthetic organic chemistry
In the continuation of our studies, we report here the kinetics of the oxidation of six aliphatic aldehydes viz. formaldehyde, acetaldehyde, propionaldehyde, butyraldehyde, 2-methylpropionaldehyde and chloroacetaldehyde by benzimidazolium dichromate (BIDC) in dimethylsulphoxide (DMSO) as the solvent
The rates and other experimental data were obtained for all the aldehydes
Summary
Selective oxidation of organic compounds under nonaqueous conditions is an important transformation in synthetic organic chemistry. Acetaldehyde (0.1 mol) and BIDC (0.01 mol) were made up to 100 ml in DMSO in the presence of 1.0 mol dm–3 TsOH. It was kept in the dark for ca.[15,16,17,18,19,20] h to ensure completion of the reaction. BIDC (0.005 mol dm–3) and aldehyde (0.001 mol dm–3) were made up to 100 ml in DMSO in the presence of 1.0 mol dm–3 TsOH. We have used coefficient of determination (R2 or r2), standard deviation (SD) and Exner’s parameter,[10] Ψ, as the measures of the goodness of fit
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