Study of alkyl radicals fragmentation from 2-alkyl-2-propoxyl radicals

T Nakamura, Y Watanabe, S Suyama…

Index: Nakamura, Tomoyuki; Watanabe, Yasumasa; Suyama, Shuji; Tezuka, Hiroshi Journal of the Chemical Society, Perkin Transactions 2, 2002 , # 7 p. 1364 - 1369

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Abstract

The reaction of a series of 2-alkyl-2-propoxyl radicals 2 in cumene has been studied. Alkoxyl radicals 2 were generated from the thermolysis of the corresponding tert-alkyl peroxypivalates, and underwent several modes of unimolecular reactions, that is, β-scission to give methyl radical, β-scission to give alkyl radicals and 1, 5-H shift, which competed with hydrogen abstraction from cumene. The ratios of the rate constant for alkyl radicals ...