N-Heterocyclic carbenes: application of ruthenium–alkylidene complexes in ring-opening metathesis polymerization

Autor: Thomas Weskamp, Florian J. Kohl, Oskar Nuyken, Wolfgang A. Herrmann, Wolfgang C. Schattenmann, Ulrich Frenzel
Rok vydání: 1999
Předmět:
Zdroj: Journal of Organometallic Chemistry. 586:263-265
ISSN: 0022-328X
DOI: 10.1016/s0022-328x(99)00275-2
Popis: Novel ruthenium–alkylidene catalysts bearing N-heterocyclic carbenes were applied in ring-opening metathesic polymerization (ROMP) reactions of various norbornene derivatives. High tolerance towards polar functional groups as well as high catalytic activity is demonstrated. The combination of N-heterocyclic carbenes and coordinatively labile ligands (phosphanes or chloro-bridged transition metals) on the ruthenium center proves not only successful regarding catalytic performance but also promising with respect to polymer properties.
Databáze: OpenAIRE