Abstract

A study was made of polymerization of 1,1-dimethylallene by the action of bis-π-allylnickel bromide. It was shown that polymerization of 1,1-dimethylallene takes place by “living” chains. During interaction of 1,1-dimethylallene with bis-π-allylnickel bromide a 1:1 adduct is formed, which has a monomer form and the monomer inserts at the NiC bond. Studied were made of IR spectra of products of interaction of dimethylallene and deuterated dimethylallene with bis-π-allylnickel bromide. A kinetic isotope effect was established during polymerization of deuterated dimethylallene. An assumption was put forward regarding the nature of active centres during polymerization of 1,1-dimethylallene by the action of bis-π-allylnickel bromide.

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