Display options
Cite
Russell SK, Darmon JM, Lobkovsky E, et al. Synthesis of aryl-substituted bis(imino)pyridine iron dinitrogen complexes. Inorg Chem. 2010;49(6):2782-92doi: 10.1021/ic902162z.
Russell, S. K., Darmon, J. M., Lobkovsky, E., & Chirik, P. J. (2010). Synthesis of aryl-substituted bis(imino)pyridine iron dinitrogen complexes. Inorganic chemistry, 49(6), 2782-92. https://doi.org/10.1021/ic902162z
Russell, Sarah K, et al. "Synthesis of aryl-substituted bis(imino)pyridine iron dinitrogen complexes." Inorganic chemistry vol. 49,6 (2010): 2782-92. doi: https://doi.org/10.1021/ic902162z
Russell SK, Darmon JM, Lobkovsky E, Chirik PJ. Synthesis of aryl-substituted bis(imino)pyridine iron dinitrogen complexes. Inorg Chem. 2010 Mar 15;49(6):2782-92. doi: 10.1021/ic902162z. PMID: 20143847.
Copy Download .nbib Format: NLM
Share it on

Inorg Chem. 2010 Mar 15;49(6):2782-92. doi: 10.1021/ic902162z.

Synthesis of aryl-substituted bis(imino)pyridine iron dinitrogen complexes.

Inorganic chemistry

Sarah K Russell, Jonathan M Darmon, Emil Lobkovsky, Paul J Chirik

Affiliations

  1. Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853, USA.

PMID: 20143847 DOI: 10.1021/ic902162z

Abstract

The synthesis and characterization of dimeric, aryl-substituted bis(imino)pyridine iron dinitrogen complexes is described. In contrast to reduction with sodium amalgam where bis(chelate) iron compounds were isolated, stirring ((Ar)PDI)FeBr(2) or ((Me)BPDI)FeBr(2) (PDI = 2,6-(ArN=CMe)(2)C(5)H(3)N; Ar = 2,6-Et(2)-C(6)H(3)N ((Et)PDI), 2,6-Me(2)-C(6)H(3)N ((Me)PDI), 2-(i)Pr,6-Me-C(6)H(3)N ((Me,iPr)PDI); (Me)BPDI = 2,6-(2,6-Me(2)-C(6)H(3)N=CPh)(2)C(5)H(3)N) with sodium naphthalenide resulted in isolation of the desired iron dinitrogen compounds as diamagnetic solids. Two examples, [((Et)PDI)Fe(N(2))](2)(mu(2)-N(2)) and [((Me)BPDI)Fe(N(2))](2)(mu(2)-N(2)), were characterized by X-ray diffraction. The solid state metrical parameters, in combination with infrared and Mossbauer spectroscopic data, establish ferrous compounds with doubly reduced chelates. Each new bis(imino)pyridine iron dinitrogen compound was screened for the catalytic hydrogenation of ethyl-3-methylbut-2-enoate, and the compound bearing the smallest aryl substituent, [((Me)PDI)Fe(N(2))](2)(mu(2)-N(2)), offers significant improvement over the original ((iPr)PDI)Fe(N(2))(2) pre-catalyst and is one of the most active iron pre-catalysts known.

Publication Types