Issue 45, 2016
From the journal:

Dalton Transactions

Over or under: hydride attack at the metal versus the coordinated nitrosyl ligand in ferric nitrosyl porphyrins†

E. G. Abucayon,a   R. L. Khade,b   D. R. Powell,a   M. J. Shaw,c   Y. Zhang*b  and  G. B. Richter-Addo*a  

* Corresponding authors

a Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, USA
E-mail: grichteraddo@ou.edu

b Department of Biomedical Engineering, Chemistry and Biological Sciences, Stevens Institute of Technology, Castle Point on Hudson, Hoboken, New Jersey, USA
E-mail: yong.zhang@stevens.edu

c Department of Chemistry, Southern Illinois University Edwardsville, Edwardsville, Illinois 62025, USA

Abstract

Hydride attack at a ferric heme-NO to give an Fe–HNO intermediate is a key step in the global N-cycle. We demonstrate differential reactivity when six- and five-coordinate ferric heme-NO models react with hydride. Although Fe–HNO formation is thermodynamically favored from this reaction, Fe–H formation is kinetically favored for the 5C case.

Graphical abstract: Over or under: hydride attack at the metal versus the coordinated nitrosyl ligand in ferric nitrosyl porphyrins

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Article information

DOI
https://doi.org/10.1039/C6DT03860C
Article type
Paper
Submitted
06 Oct 2016
Accepted
21 Oct 2016
First published
21 Oct 2016

Dalton Trans., 2016,45, 18259-18266

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Over or under: hydride attack at the metal versus the coordinated nitrosyl ligand in ferric nitrosyl porphyrins

E. G. Abucayon, R. L. Khade, D. R. Powell, M. J. Shaw, Y. Zhang and G. B. Richter-Addo, Dalton Trans., 2016, 45, 18259 DOI: 10.1039/C6DT03860C

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