Spectroelectrochemical investigation of Bu4N[Fe(CO) 3(NO)]: Identification of a reversible EC-mechanism

Fritz Weisser; Johannes E.M.N. Klein; Biprajit Sarkar; Bernd Plietker

doi:10.1039/c3dt51998h

Spectroelectrochemical investigation of Bu₄N[Fe(CO) ₃(NO)]: Identification of a reversible EC-mechanism

Fritz Weisser, Johannes E.M.N. Klein, Biprajit Sarkar, Bernd Plietker

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Abstract

Bu₄N[Fe(CO)₃(NO)] displays unique catalytic properties in electron-transfer catalysis such as in allylic substitutions, hydrosilylation, transesterifications, or carbene transfer chemistry. Herein we present a detailed spectroelectrochemical investigation of this complex that unravels an interesting electrochemical-chemical transformation in which two parts of [Fe(CO)₃(NO)]^- are oxidized and undergo a disproportionation in the presence of CO to [Fe(CO)₅] and [Fe(CO)₂(NO)₂]. Upon re-reduction the former two complexes regenerate [Fe(CO)₃(NO)]^- to about 85%.

Original language	English (US)
Pages (from-to)	883-887
Number of pages	5
Journal	Dalton Transactions
Volume	43
Issue number	2
DOIs	https://doi.org/10.1039/c3dt51998h
State	Published - Jan 14 2014
Externally published	Yes

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title = "Spectroelectrochemical investigation of Bu4N[Fe(CO) 3(NO)]: Identification of a reversible EC-mechanism",

abstract = "Bu4N[Fe(CO)3(NO)] displays unique catalytic properties in electron-transfer catalysis such as in allylic substitutions, hydrosilylation, transesterifications, or carbene transfer chemistry. Herein we present a detailed spectroelectrochemical investigation of this complex that unravels an interesting electrochemical-chemical transformation in which two parts of [Fe(CO)3(NO)]- are oxidized and undergo a disproportionation in the presence of CO to [Fe(CO)5] and [Fe(CO)2(NO)2]. Upon re-reduction the former two complexes regenerate [Fe(CO)3(NO)]- to about 85%.",

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AU - Plietker, Bernd

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AB - Bu4N[Fe(CO)3(NO)] displays unique catalytic properties in electron-transfer catalysis such as in allylic substitutions, hydrosilylation, transesterifications, or carbene transfer chemistry. Herein we present a detailed spectroelectrochemical investigation of this complex that unravels an interesting electrochemical-chemical transformation in which two parts of [Fe(CO)3(NO)]- are oxidized and undergo a disproportionation in the presence of CO to [Fe(CO)5] and [Fe(CO)2(NO)2]. Upon re-reduction the former two complexes regenerate [Fe(CO)3(NO)]- to about 85%.

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Spectroelectrochemical investigation of Bu₄N[Fe(CO) ₃(NO)]: Identification of a reversible EC-mechanism

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