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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 4
BKCSDE 31(4)
April 20, 2010 
 
Title
 Kinetic Studies of the Solvolyses of 2,2,2-Trichloro-1,1-Dimethylethyl Chloroformate
Author
 Han Joong Koh*, Suk Jin Kang, Dennis N Kevill
Keywords
 2,2,2-Trichloro-1,1-dimethylethyl chloroformate, Extended Grunwald-Winstein equation, Addition-Elimination mechanism, Kinetic solvent isotope effect
Abstract
 The rate constants of solvolyses of 2,2,2-trichloro-1,1-dimethylethyl chloroformate (I) in 33 solvents can be well correlated using the extended Grunwald-Winstein equation, with incorporation of the NT solvent nucleophilicity scale and the YCl solvent ionizing scale, with sensitivities towards changes in the scale having values of 1.42 짹 0.09 for l and 0.39 짹 0.05 for m, respectively. The activation enthalpies are
Page
 835 - 839
Full Text
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