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Cis-selective ring-opening metathesis polymerization with ruthenium catalysts.

Journal of the American Chemical Society (2012-01-14)
Benjamin K Keitz, Alexey Fedorov, Robert H Grubbs
RESUMEN

Cis-selective ring-opening metathesis polymerization of several monocyclic alkenes as well as norbornene and oxanorbornene-type monomers using a C-H activated, ruthenium-based metathesis catalyst is reported. The cis content of the isolated polymers depended heavily on the monomer structure and temperature. A cis content as high as 96% could be obtained by lowering the temperature of the polymerization.

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Sigma-Aldrich
Hoveyda-Grubbs Catalyst® M2001, Umicore