The cyclopropylmethyl free-radical clock. Calibration for the 30-89. degree. C range

L Mathew, J Warkentin

Index: Mathew,L.; Warkentin,J. Journal of the American Chemical Society, 1986 , vol. 108, p. 7981

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Citation Number: 79

Abstract

Abstract: The Arrhenius equation for the ring-opening isomerization of cyclopropylmethyl radicals (R') to 3-buten-1-yl radicals (R'.) for the 303-362 K temperature range was determined by thermolysis of (cyclopropylmethyl)(1-hydroxy-1-methylethy1) diazene in the presence of excess 1, 1, 3, 3-tetramethylisoindolin-2-yloxy (Y). Rate constants for coupling of R'with Y'were assumed to be proportional to diffusion-controlled rate constants (kd) and ...

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