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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

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

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被引用次数: 217

摘要

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 ...