Published August 22, 2011
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Trialkylborane-Assisted CO_2 Reduction by Late Transition Metal Hydrides
Abstract
Trialkylborane additives promote reduction of CO_2 to formate by bis(diphosphine) Ni(II) and Rh(III) hydride complexes. The late transition metal hydrides, which can be formed from dihydrogen, transfer hydride to CO_2 to give a formateborane adduct. The borane must be of appropriate Lewis acidity: weaker acids do not show significant hydride transfer enhancement, while stronger acids abstract hydride without CO_2 reduction. The mechanism likely involves a pre-equilibrium hydride transfer followed by formation of a stabilizing formateborane adduct.
Additional Information
© 2011 American Chemical Society. Published In Issue August 22, 2011; Article ASAP July 18, 2011; Received: May 02, 2011. This research was generously funded by BP through the Methane Conversion Cooperative (MC2) Program and by the Moore Foundation. The Varian 400-MR spectrometer was purchased through NIH grant RR027690.Attached Files
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Additional details
- Eprint ID
- 25299
- Resolver ID
- CaltechAUTHORS:20110912-113950538
- BP MC2 program
- Gordon and Betty Moore Foundation
- NIH
- RR027690
- Created
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2011-09-12Created from EPrint's datestamp field
- Updated
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2021-11-09Created from EPrint's last_modified field