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. 2010 Oct 27;132(42):14748-50.
doi: 10.1021/ja1070575.

Template-assisted selective radical addition toward sequence-regulated polymerization: lariat capture of target monomer by template initiator

Shohei Ida  1 , Makoto Ouchi, Mitsuo Sawamoto
Affiliations

Template-assisted selective radical addition toward sequence-regulated polymerization: lariat capture of target monomer by template initiator

Shohei Ida et al. J Am Chem Soc. .

Abstract

Surprisingly high monomer selectivity was demonstrated in competitive radical addition with two kinds of methacrylates carrying sodium and ammonium cation. Crucial is size-specific recognition by a lariat crown ether embedded close to the reactive halide in a designer template initiator. Especially, a combination with an active ruthenium catalyst led to outstanding selectivity at low temperature. This template system will open the way to unprecedented sequence-regulated polymerization.

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