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- W343748024 abstract "By deuterium labeling it was established that for a series of coupled organic redox reactions which later receive the notation hydride migration reactions, no kinetic isotope effects (K/sub H//K/sub D/ = 1.4 to 2.0) are identified. In reactions with inorganic oxidation media, as the Etard reaction, the isotope efLect has the magnitude (K/sub H//K/sub D/ = 3.0 to 10.0) to be expected from values given in the literature. These values were considered with respect to the probable path of both reaction types. The first type proceeds by cyclic transition complexes, in which the hydrogen migrates from one carbon atom to the other, whereas in the second type transition complexes of other structures are probable. In studies on the acetylation and hydration mechanisms of acetyls by the Kucerov reaction, normal isotope effects were found. This indicates clearly a bimolecular character of the velocity determining stage of this reaction. The application of the kinetic isotope effect to the investigation of polymerization processes was considered using as an example ethylene polymerization in the presence of Ziegler catalysts. (tr-auth)" @default.
- W343748024 created "2016-06-24" @default.
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- W343748024 date "1962-04-01" @default.
- W343748024 modified "2023-09-26" @default.
- W343748024 title "THE KINETIC ISOTOPE EFFECT OF HYDROGEN IN THE INVESTIGATION OF THE MECHANISM OF SOME ORGANIC REACTIONS" @default.
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