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- Title
Boryl-Functionalized s-Alkynyl and Vinylidene Rhodium Complexes: Synthesis and Electronic Properties.
- Authors
Braunschweig, Holger; Brown, Christopher K. L.; Dewhurst, Rian D.; Jimenez‐Halla , J. Oscar C.; Kramer, Thomas; Krummenacher, Ivo; Pfaffinger, Bernd
- Abstract
The synthesis, reactivity, and properties of borylfunctionalized s-alkynyl and vinylidene rhodium complexes such as trans-[RhCl(=C=CHBMes2)(PiPr3)2] and trans-[Rh(C≡CBMes2)(IMe)(PiPr3)2] are reported. An equilibrium was found to exist between rhodium vinylidene complexes and the corresponding hydrido s-alkynyl complexes in solution. The complex trans-[Rh(C≡CBMes2)(IMe)(PiPr3)2] (IMe=1,3-dimethylimidazol- 2-ylidene) was found to exhibit solvatochromism and can be quasireversibly oxidized and reduced electrochemically. Density functional calculations were performed to determine the reaction mechanism and to help rationalize the photophysical properties of trans-[Rh(C≡CBMes2)(IMe)(PiPr3)2].
- Subjects
VINYLIDENE compounds; SOLVATOCHROMISM; DENSITY functional theory; X-ray diffraction; NUCLEAR magnetic resonance spectroscopy
- Publication
Chemistry - A European Journal, 2014, Vol 20, Issue 5, p1427
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201303681