Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 16, Issue 30, Pages 9215-9225Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201000659
Keywords
N-heterocyclic carbenes; metathesis; phosphanes; ruthenium-indenylidene
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Funding
- EC [CP-FP 211468-2-EUMET]
- EPSRC National Mass Spectrometry Service Centre (Swansea University)
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The aim of the present study is to develop readily available and stable pre-catalysts that could be easily prepared on large scale from simple starting materials. Based on the hypothesis that substitution of classical PCy3 with phosphanes of varying electron-donating properties could be a straightforward manner to improve catalytic activity, a methodical study dealing with the effect of phosphane fine-tuning in ruthenium-indenylidene catalysts was performed. Challenged to establish how the electronic properties of para-substituted phosphane ligands translate into catalyst activity, the versatile behaviour of these new ruthenium-indenylidene complexes was investigated for a number of metathesis reactions.
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