Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 357, Issue 2-3, Pages 350-354Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201400673
Keywords
carbene; hydrosilylation; NHC; rhodium; vinylsilanes
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Funding
- Spanish Ministry of Economy and Competitiveness (MINECO/FEDER) [CSD2009-0050, CTQ2011-27593]
- King Fahd University of Petroleum & Minerals-University of Zaragoza
- Center of Research Excellence in Petroleum Refining & Petrochemicals at King Fahd University of Petroleum Minerals
- [DGA/FSE-E07]
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We describe a bis-N-heterocyclic carbene rhodium(III) complex, featuring two trifluoroacetato ligands, that affords a variety of alpha-vinylsilanes in good yields by hydrosilylation of terminal alkynes. Selectivities around 7: 1 alpha/beta-(E) were reached, while the beta-(Z) product was only marginally obtained. This example sharply contrasts with the beta-(Z)-selectivity observed for its parent diiodido complex
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