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Conversion of Fe−NH_2 to Fe−N_2 with release of NH_3

Anderson, John S. and Moret, Marc-Etienne and Peters, Jonas C. (2013) Conversion of Fe−NH_2 to Fe−N_2 with release of NH_3. Journal of the American Chemical Society, 135 (2). pp. 534-537. ISSN 0002-7863. PMCID PMC3565533. doi:10.1021/ja307714m.

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Tris(phosphine)borane ligated Fe(I) centers featuring N_2H_4, NH_3, NH_2, and OH ligands are described. Conversion of Fe–NH_2 to Fe–NH_3^+ by the addition of acid, and subsequent reductive release of NH_3 to generate Fe–N_2, is demonstrated. This sequence models the final steps of proposed Fe–mediated nitrogen fixation pathways. The five-coordinate trigonal bipyramidal complexes described are unusual in that they adopt S = 3/2 ground states and are prepared from a four-coordinate, S = 3/2 trigonal pyramidal precursor.

Item Type:Article
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URLURL TypeDescription CentralArticle
Peters, Jonas C.0000-0002-6610-4414
Additional Information:© 2012 American Chemical Society. Received: August 3, 2012. Published: December 21, 2012. The authors declare no competing financial interest. This work was supported by the NIH (GM 070757) and the Gordon and Betty Moore Foundation, and through the NSF via a GRFP award to J.S.A. M.-E. M. acknowledges a Fellowship for Advanced Researchers from the Swiss National Science Foundation. Larry Henling and Dr. Jens Kaiser are thanked for their assistance with X-ray crystallography and Dr. Angelo DiBilio for his assistance with EPR measurements. We acknowledge the Gordon and Betty Moore Foundation, the Beckman Institute, and the Sanofi-Aventis BRP at Caltech for their generous support of the Molecular Observatory at Caltech. SSRL is operated for the DOE and supported by its Office of Biological and Environmental Research, and by the NIH, NIGMS (including P41GM103393), and the NCRR (P41RR001209).
Funding AgencyGrant Number
NIHGM 070757
Gordon and Betty Moore FoundationUNSPECIFIED
NSF Graduate Research FellowshipUNSPECIFIED
Swiss National Science Foundation (SNSF)UNSPECIFIED
Caltech Beckman InstituteUNSPECIFIED
Caltech Sanofi-Aventis Bioengineering Research ProgramUNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
Issue or Number:2
PubMed Central ID:PMC3565533
Record Number:CaltechAUTHORS:20130226-145140419
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Official Citation:Conversion of Fe–NH2 to Fe–N2 with release of NH3 John S. Anderson, Marc-Etienne Moret, and Jonas C. Peters Journal of the American Chemical Society 2013 135 (2), 534-537
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:37155
Deposited By: Ruth Sustaita
Deposited On:26 Feb 2013 23:16
Last Modified:09 Nov 2021 23:27

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