4.5 Article

Mechanosynthesis of Noels-type NHC-Ruthenium Complexes and Applications in Ring-Opening Metathesis Polymerization

Journal

ORGANOMETALLICS
Volume 39, Issue 5, Pages 636-639

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.organomet.0c00013

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Funding

  1. Universite de Montpellier
  2. Centre Nationale de la Recherche Scientifique (CNRS)
  3. Agence Nationale de la Recherche [ANR-16-CE07-0009-01]
  4. Agence Nationale de la Recherche (ANR) [ANR-16-CE07-0009] Funding Source: Agence Nationale de la Recherche (ANR)

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The use of ball mills enabled the efficient mechanosynthesis of a variety of N-aryl,N-alkyl imidazolium salts and of corresponding NHC silver(I) complexes. Transmetalation with ruthenium via mechanochemistry allowed the rapid access (from 1.5 min to 1 h) to complexes having a similar structure to Noels-type precatalysts. Evaluation of the complexes in the ring-opening metathesis polymerization of norbornene in different solvent, including nontoxic ones, showed a high catalytic activity for one of them, comparable to that of the Noels catalyst.

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