Structural and spectroscopic studies of reduced [Re(bpy-R)(CO)3]-1 species relevant to CO2 reduction

被引：60

作者：

Benson, Eric E. ^{[1
]}

Grice, Kyle A. ^{[1
]}

Smieja, Jonathan M. ^{[1
]}

Kubiak, Clifford P. ^{[1
]}

机构：

[1] Univ Calif San Diego, Dept Chem & Biochem, La Jolla, CA 92093 USA

来源：

POLYHEDRON | 2013年 / 58卷

关键词：

Rhenium; Redox-active bipyridine ligands; Chemical reduction; Crystal structures; DFT; CARBON-DIOXIDE; ELECTROCATALYTIC REDUCTION; COMPLEXES; APPROXIMATION; DEHYDROGENATION; CONSTANTS; CATALYSTS; LIGANDS; OTF(-); ENERGY;

D O I：

10.1016/j.poly.2013.01.024

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Spectroscopic and structural comparisons are made between the rhenium anions with bpy-R ligands spanning a wide range of electron-withdrawing and donating abilities (R = CF3, H, Me, tBu, OMe). The synthesis and characterization of the rhenium anions [Re(bpy-R)(CO)(3)](-1) (bpy-R = 4,4'-disubstitued-2,2'-bipyridine; R = CF3, Me, OMe) are reported. The anions [Re(bpy-R)(CO)(3)](-1) (R = Me and OMe) were structurally characterized. X-ray characterization of [Re(bpy-CF3)(CO)(3)](-1) was unsuccessful. However, the structure of a mono-reduced complex, [Re(bpy-CF3)(CO)3Cl][K(18-crown-6)] was obtained. This compound is a rare example of a structurally characterized "19e(-)" intermediate formed in the chemical and electrochemical reduction of a Re(bpy-R)(CO)(3)Cl species. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：229 / 234

页数：6

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