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Updated: Mar 29, 2026

Synthesis of a Water-soluble Metal–Organic Complex Array
Published on: October 8, 2016
A doubly deprotonated diimine dioximate metalloligand as a synthon for multimetallic complex assembly
Danielle A Henckel1, Yuting F Lin1, Theresa M McCormick2
1University of Washington, Department of Chemistry, Box 351700, Seattle, WA 98195-1700, USA. cossairt@chem.washington.edu.
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.
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