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Deuterium kinetic isotope effects in the quaternization of polymethylpyridines (CH3 or CD3) with methyl iodide or D3-methyl iodide

Abstract : The rates of quaternization of six CH3- or CD3-substituted pyridines in acetone at 250C with CH3I or CD3I were determined conductimetrically. The main results which are presented indicate that in all cases replacement of CH3 by CD3 causes a small acceleration. This secondary isotope effect could be due to steric and/or electronic components. These are estimated and the results are shown and discussed.
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https://hal.archives-ouvertes.fr/hal-03284483
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1982-44-45-0559-0583.pdf
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Alexandru Balaban, Anisia Bota, Daniela C Oniciu, Gerd Klatte, Christian Roussel, et al.. Deuterium kinetic isotope effects in the quaternization of polymethylpyridines (CH3 or CD3) with methyl iodide or D3-methyl iodide. Journal of Chemical Research, Royal Society of Chemistry, The, 1982, pp.44-45. ⟨hal-03284483⟩

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