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A Ruthenium Catalyst for Olefin Metathesis Featuring an Anti-Bredt N-Heterocyclic Carbene Ligand.

ABSTRACT: A ruthenium complex bearing an "anti-Bredt" N-heterocyclic carbene was synthesized, characterized and evaluated as a catalyst for olefin metathesis. Good conversions were observed at room temperature for the formation of di- and tri-substituted olefins by ring-closing metathesis. It also allowed for the ring-opening metathesis polymerization of cyclooctadiene, as well as for the cross-metathesis of cis-1,4-diacetoxy-2-butene with allyl-benzene, with enhanced Z/E kinetic selectivity over classical NHC-based catalysts.

SUBMITTER: Martin D 

PROVIDER: S-EPMC5007067 | biostudies-literature | 2016 Mar

REPOSITORIES: biostudies-literature

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A Ruthenium Catalyst for Olefin Metathesis Featuring an Anti-Bredt N-Heterocyclic Carbene Ligand.

Martin David D   Marx Vanessa M VM   Grubbs Robert H RH   Bertrand Guy G  

Advanced synthesis & catalysis 20160209 6

A ruthenium complex bearing an "anti-Bredt" N-heterocyclic carbene was synthesized, characterized and evaluated as a catalyst for olefin metathesis. Good conversions were observed at room temperature for the formation of di- and tri-substituted olefins by ring-closing metathesis. It also allowed for the ring-opening metathesis polymerization of cyclooctadiene, as well as for the cross-metathesis of <i>cis</i>-1,4-diacetoxy-2-butene with allyl-benzene, with enhanced <i>Z</i>/<i>E</i> kinetic sele  ...[more]

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