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Steric and electronic effects on the oxidation of ortho-substituted benzhydrols by chromic acid

✍ Scribed by D.G. Lee; M. Raptis

Publisher
Elsevier Science
Year
1973
Tongue
French
Weight
483 KB
Volume
29
Category
Article
ISSN
0040-4020

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✦ Synopsis

A study has been made of the oxidation of a number of substituted benzhydrols by chromic acid in aqueous acetic acid. The reaction rate constants are linearly proportional to the KR+ values of the alcohols. ortho-Substitution increases the rate of reaction and reduces the magnitude of the primary kinetic isotope effect. The major result of steric crowding appears to be an increase in the energy of the reactants, while the main electronic effect of substituents is to stabilize or destabilize the transition

πŸ“œ SIMILAR VOLUMES

Steric Effects on Reaction Rates – III.
Steric Effects on Reaction Rates – III. Application of Force-Field Calculations to Chromic Acid Oxidation of Alcohols
✍ Paul MΓΌller; Jacky Blanc; Dieter Lenoir πŸ“‚ Article πŸ“… 1982 πŸ› John Wiley and Sons 🌐 German βš– 470 KB

## Abstract The rates of oxidation with chromic acid of 15 bi‐ and polycyclic secondary alcohols have been measured and correlated with strain changes calculated by the MM1‐program between the alcohols and the corresponding ketones. A correlation of the same quality is obtained upon representation