- KINETIC ISOTOPE EFFECT IN THE OXIDATION OF CYCLIC AND LINEAR ACETALS WITH OZONE AND MOLECULAR OXYGEN
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Substitution of hydrogen atoms at the acetal carbon by deuterium in 1,3-dioxolane, 1,3-dioxane, and dipropoxymethane leads to a decrease in the rate constant of ozonization and oxidation.The magnitude of the kinetic isotope effect lies in the range of 2-3 and is somewhat lower than the known values (4-6) for alcohols, ethers, and carboxylic acids.This is evidently due to the smaller extension of the C-H bond in the transition state of the reaction of acetals with ozone molecules and peroxide radicals.
- Kuramshin, E. M.,Sadaeva, R. Kh.,Gumerova, V. K.,Zlot-skii, S. S.,Rakhmankulov, D. L.
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p. 136 - 139
(2007/10/02)
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