Calibration of a new horologery of fast radical clocks. Ring-opening rates for ring-and. alpha.-alkyl-substituted cyclopropylcarbinyl radicals and for the bicyclo [2.1. 0] …

VW Bowry, J Lusztyk, KU Ingold

Index: Bowry, Vincent W.; Lusztyk, Janusz; Ingold Journal of the American Chemical Society, 1991 , vol. 113, # 15 p. 5687 - 5698

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Citation Number: 217

Abstract

Abstract Rate constants have been determined at 37 OC for the ring opening of a variety of alkyl-substituted cyclopropylcarbinyl radical" clocks" by nitroxide radical trapping (NRT) using TEMPO. Relative yields of unrearranged and rearranged trialkylhydroxylamines were measured at various TEMPO concentrations, and these data were then combined with absolute rate constants for the reactions of structurally appropriate alkyl radicals with ...