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Rhodium and Iridium Complexes of N-Heterocyclic Carbenes via Transmetalation: Structure and Dynamics
Organometallics · 2003 · Vol. 22(8) · pp. 1663–1667
A. Chianese✉(Yale University)Xingwei Li(Yale University)M.C. Janzen(Yale University)J.W. Faller(Yale University)Robert H. Crabtree(Yale University)
Abstract
Rhodium and iridium complexes of N-heterocyclic carbenes (3a−c and 4a−c) were obtained by transmetalation from the corresponding Ag(I) complexes. The structure of 3b was verified by X-ray diffraction. The compounds display restricted rotation about the metal−carbene bond, the rate of which can be controlled by altering the steric bulk of the auxiliary ligands. Infrared spectroscopy provides an estimate of the electron-donor power of the carbene ligands from ν(CO) of the carbonyl derivatives.
N-Heterocyclic Carbenes in Organic and Inorganic ChemistryCatalytic Cross-Coupling ReactionsOrganometallic Complex Synthesis and CatalysisTransmetalationChemistryIridiumRhodiumCarbeneSteric effectsPhotochemistryCatalysisStereochemistryOrganic chemistry
Funding
- U.S. Department of Energy
Citations
507
FWCI
21.94
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References
31
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100%
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