Abstract
A comparative study examining the catalytic activity of a series of five indenylidene-containing ruthenium complexes in olefin cross-metathesis reactions is presented. Results reveal the greater efficiency of precatalyst 5, highlighting the key role of the N,N'-bis(2,6-diisopropylphenyl)imidazol-2-yli-dene (IPr) ligand for this transformation. The scope of this precatalyst was investigated and several microwave experiments were carried out allowing for catalyst loadings as low as 01 mol%. Overall, cross-metathesis products were isolated in moderate to excellent yields with high stereoselectivity.
| Original language | English |
|---|---|
| Pages (from-to) | 2959-2966 |
| Number of pages | 8 |
| Journal | Advanced Synthesis & Catalysis |
| Volume | 350 |
| Issue number | 18 |
| DOIs | |
| Publication status | Published - Dec 2008 |
Keywords
- cross-metathesis
- indenylidenes
- N-heterocyclic carbenes
- phosphines
- ruthenium
- RING-CLOSING METATHESIS
- N-HETEROCYCLIC CARBENE
- OLEFIN METATHESIS
- GRUBBS CATALYST
- RU COMPLEXES
- ACTIVATION
- EFFICIENT
- NITROGEN
- BEARING
- SYSTEM
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