p-Nitrobenzenesulfenate esters as precursors for laser flash photolysis studies of alkyl radicals

M Newcomb, P Daublain, JH Horner

Index: Newcomb, Martin; Daublain, Pierre; Horner, John H. Journal of Organic Chemistry, 2002 , vol. 67, # 24 p. 8669 - 8671

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Citation Number: 15

Abstract

A series of p-nitrobenzenesulfenate esters was used in laser flash photolysis (LFP) studies to generate alkoxyl radicals that fragmented to give the (2, 2-diphenylcyclopropyl) methyl radical. Rate constants for the β-scission reactions increased as a function of the carbonyl compound produced in the fragmentation reaction in the order CH2O< MeCHO< Me2CO< PhCHO< Ph2CO and increased with increasing solvent polarity. For alkoxyl radicals that ...

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