Effect of medium on the rate constant of decarbonylation of phenylacetyl radical
β Scribed by Yu. P. Tsentalovich; O. A. Kurnysheva; N. P. Gritsan
- Book ID
- 110274842
- Publisher
- Springer
- Year
- 2001
- Tongue
- English
- Weight
- 302 KB
- Volume
- 50
- Category
- Article
- ISSN
- 1573-9171
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π SIMILAR VOLUMES
The rate of decarbonylation of the hydroxyacetyl radical in acetonitrile is measured by effect modulated ESR spectroscopy and found to be log ( k D / s ') = (11.0 2 1.5)-(2.3RT) -' (37 t 8)kJ/mol. The result is shown to be reasonably well connected with a variety of decarbonylation data known for ot
Five aryl-substituted phenacetyl radicals (X = p-MeO, p-Me, H, p-Cl, p-CF 3 ) were generated by laser photolysis of the corresponding dibenzyl ketones in n-hexane and acetonitrile. The decarbonylation reaction was monitored through the rise in time-resolved absorption of the benzyl radical chromopho