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Summary: A new general functionalization method (GFM) of synthesizing a-functionalized polymers has been developed. a-Vinyl-functionalized polystyrene was obtained by anionic polymerization of styrene using 4-pentenyllithium as an initiator. Chloromethyldimethylsilane-functionalized polystyrene was successfully synthesized from vinyl-functionalized polystyrene by hydrosilation using Karstedt's catalyst. Nucleophilic substitution of this polymer was carried out in presence of pyrrolidine to obtain a-pyrrolidine-functionalized polystyrene. a-Triethoxysilylpolystyrene was obtained by hydrosilation of a-4-pentenylpolystyrene with triethoxysilane using Karstedt's catalyst.

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Methyl methacrylate was successfully copolymerized with (4-vinylphenyl)dimethylsilane in toluene via ATRP in the presence of a silyl hydride group and the copolymer was subjected to in-chain functionalization by hydrosilation.