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Issue 24, 2016
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A doubly deprotonated diimine dioximate metalloligand as a synthon for multimetallic complex assembly

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Abstract

An electrocatalytically active cobalt diimine monoxime monoximate complex was deprotonated by 1-methylimidazole affording a doubly deprotonated complex that serves as a versatile precursor for synthesis of a variety of multimetallic complexes with Co–Zn, –Cd, –Mn and –Ru coordination. These complexes were studied using a combination of spectroscopic, analytical and electrochemical techniques, revealing the electronic and structural parameters unique to this new class of compounds. The ability of these complexes to catalyze proton reduction was also investigated. These complexes are homogeneous electrocatalysts for the hydrogen evolution reaction through reduction of [NEt3H][BPh4] in CH3CN, however decompose under extended electrolysis conditions.

Graphical abstract: A doubly deprotonated diimine dioximate metalloligand as a synthon for multimetallic complex assembly

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Supplementary files

Article information


Submitted
17 Sep 2015
Accepted
10 Nov 2015
First published
13 Nov 2015

Dalton Trans., 2016,45, 10068-10075
Article type
Paper

A doubly deprotonated diimine dioximate metalloligand as a synthon for multimetallic complex assembly

D. A. Henckel, Y. F. Lin, T. M. McCormick, W. Kaminsky and B. M. Cossairt, Dalton Trans., 2016, 45, 10068
DOI: 10.1039/C5DT03650J

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