Kinetic isotope effect 13C of cationic polymerization of oxygen-containing heterocycles. Structure of active centres. Mechanism of chain propagation |
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| Authors: | VA Ponomarenko EL Berman AM Sakharov ZN Nysenko |
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| Institution: | Zelinsky Institute of Organic Chemistry, U.S.S.R. Academy of Sciences, Leninsky prospect 47, Moscow 117913, U.S.S.R. |
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| Abstract: | The results of studying the kinetic isotope effect of cationic polymerization of some oxygen-containing heterocycles are summarized. The use of this method made it possible to establish the oxonium mechanism of chain propagation and the existence of the step of preliminary monomer coordination on an active centre, preceding the polymeric chain propagation step. |
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