N,N'-dialkyl- and N-alkyl-N-mesityl-substituted N-heterocyclic carbenes as ligands in Grubbs catalysts

被引：81

作者：

Ledoux, Nele ^{[1
]}

Allaert, Bart ^{[1
]}

Pattyn, Siegfried ^{[1
]}

Vander Mierde, Hans ^{[1
]}

Vercaemst, Carl ^{[1
]}

Verpoort, Francis ^{[1
]}

机构：

[1] Univ Ghent, Dept Inorgan & Phys Chem, Lab Organomet Chem & Catalysis, B-9000 Ghent, Belgium

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2006年 / 12卷 / 17期

关键词：

carbene ligands; metathesis; ruthenium;

D O I：

10.1002/chem.200600064

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Various symmetrically and asymmetrically substituted N-heterocyclic carbene (NHC) ligands bearing aliphatic nitrogen-containing side groups have been synthesised. In our attempts to isolate the corresponding second-generation Grubbs catalysts, we were unsuccessful when using the symmetrical aliphatic NEC ligands. For the asymmetrical ligands bearing an aliphatic moiety on one side and an aromatic mesityl group on the other side, substitution of a phosphine ligand was achieved. The performance of a soformed series of Ru-based metathesis initiators has been evaluated for the ring-opening metathesis polymerisation (ROMP) of cycloocta-1,5-diene and the ring-closing metathesis (RCM) of diethyl diallylmalonate.

引用

页码：4654 / 4661

页数：8

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