Epoxidation of E-1,4-poly(2-triethylsilyl-1,3-butadiene) and E-1,4-poly-(2,3-bis(trimethylsilyl)-1,3-butadiene). Stereochemical analysis of E-1,4-poly(2,3-epoxy-2-triethylsilyl-1,3-butadiene) and E-1,4-poly-(2,3-bis(trimethylsilyl

摘要

There is considerable interest in chemical modification of intact polymers. In this regard, stereoselective cis-epoxidation of polybutadiene and polyisoprene with peracids have been reported . While the reaction of monomeric vinylsilanes with peracids to yield alpha, beta-epoxysilanes has been studied similar reactions on polymeric vinyl silane systems are unexplored. Monomeric alpha, beta-epoxysilanes are of synthetic interest since, for example, they can be converted into carbonyl groups by acidic hydrolysis. This transformation is regiospecific in that the silyl substituted carbon is converted to the carbonyl carbon. Reprints. (MJM)