Catalytic reduction of hydrazine to ammonia by a mononuclear iron(II) complex on a tris(thiolato)phosphine platform

Ya Ho Chang; Pooi Mun Chan; Yi Fang Tsai; Gene Hsiang Lee; Hua Fen Hsu

doi:10.1021/ic402108w

Catalytic reduction of hydrazine to ammonia by a mononuclear iron(II) complex on a tris(thiolato)phosphine platform

Ya Ho Chang, Pooi Mun Chan, Yi Fang Tsai, Gene Hsiang Lee, Hua Fen Hsu

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

Abstract

To provide the mechanistic information of nitrogenase at a molecular level, much effort has been made to develop synthetic metal complexes that have enzyme-like reactivity. Herein we obtain an iron(II) complex binding with a tris(thiolato)phosphine ligand, [P(Ph)₄][Fe(PS3″)(CH ₃CN)] [1; PS3″ = P(C₆H₃-3-Me ₃Si-2-S)₃^3-] that catalyzes the reduction of hydrazine, an intermediate and a substrate of nitrogenase. The substrate- and product-bound adducts, [N(Bu)₄][Fe(PS3″)(N₂H ₄)] (2) and [N(Et)₄][Fe(PS3″)(NH₃)] (3), respectively, are also synthesized. This work provides the feasibility that the late stage of biological nitrogen fixation can be conducted at a single iron site with a sulfur-rich ligation environment.

Original language	English
Pages (from-to)	664-666
Number of pages	3
Journal	Inorganic Chemistry
Volume	53
Issue number	2
DOIs	https://doi.org/10.1021/ic402108w
Publication status	Published - 2014 Jan 21

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Inorganic Chemistry

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10.1021/ic402108w

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title = "Catalytic reduction of hydrazine to ammonia by a mononuclear iron(II) complex on a tris(thiolato)phosphine platform",

abstract = "To provide the mechanistic information of nitrogenase at a molecular level, much effort has been made to develop synthetic metal complexes that have enzyme-like reactivity. Herein we obtain an iron(II) complex binding with a tris(thiolato)phosphine ligand, [P(Ph)4][Fe(PS3″)(CH 3CN)] [1; PS3″ = P(C6H3-3-Me 3Si-2-S)33-] that catalyzes the reduction of hydrazine, an intermediate and a substrate of nitrogenase. The substrate- and product-bound adducts, [N(Bu)4][Fe(PS3″)(N2H 4)] (2) and [N(Et)4][Fe(PS3″)(NH3)] (3), respectively, are also synthesized. This work provides the feasibility that the late stage of biological nitrogen fixation can be conducted at a single iron site with a sulfur-rich ligation environment.",

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T1 - Catalytic reduction of hydrazine to ammonia by a mononuclear iron(II) complex on a tris(thiolato)phosphine platform

AU - Chang, Ya Ho

AU - Chan, Pooi Mun

AU - Tsai, Yi Fang

AU - Lee, Gene Hsiang

AU - Hsu, Hua Fen

PY - 2014/1/21

Y1 - 2014/1/21

N2 - To provide the mechanistic information of nitrogenase at a molecular level, much effort has been made to develop synthetic metal complexes that have enzyme-like reactivity. Herein we obtain an iron(II) complex binding with a tris(thiolato)phosphine ligand, [P(Ph)4][Fe(PS3″)(CH 3CN)] [1; PS3″ = P(C6H3-3-Me 3Si-2-S)33-] that catalyzes the reduction of hydrazine, an intermediate and a substrate of nitrogenase. The substrate- and product-bound adducts, [N(Bu)4][Fe(PS3″)(N2H 4)] (2) and [N(Et)4][Fe(PS3″)(NH3)] (3), respectively, are also synthesized. This work provides the feasibility that the late stage of biological nitrogen fixation can be conducted at a single iron site with a sulfur-rich ligation environment.

AB - To provide the mechanistic information of nitrogenase at a molecular level, much effort has been made to develop synthetic metal complexes that have enzyme-like reactivity. Herein we obtain an iron(II) complex binding with a tris(thiolato)phosphine ligand, [P(Ph)4][Fe(PS3″)(CH 3CN)] [1; PS3″ = P(C6H3-3-Me 3Si-2-S)33-] that catalyzes the reduction of hydrazine, an intermediate and a substrate of nitrogenase. The substrate- and product-bound adducts, [N(Bu)4][Fe(PS3″)(N2H 4)] (2) and [N(Et)4][Fe(PS3″)(NH3)] (3), respectively, are also synthesized. This work provides the feasibility that the late stage of biological nitrogen fixation can be conducted at a single iron site with a sulfur-rich ligation environment.

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Catalytic reduction of hydrazine to ammonia by a mononuclear iron(II) complex on a tris(thiolato)phosphine platform

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