Journal of Physical Organic Chemistry

Aryl substituent effects and solvent effects on the decarbonylation of phenacetyl radicals

X Zhang, WM Nau

Index: Zhang, Xiangyang; Nau, Werner M. Journal of Physical Organic Chemistry, 2000 , vol. 13, # 10 p. 634 - 639

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Citation Number: 25

Abstract

Abstract 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 chromophore at 317 nm. The decarbonylation rate constants were obtained by a numerical integration procedure, where second-order radical ...

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