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Synthesis of the first chiral polynuclear copper(I) complex based on (R)-1-(1-phenyl)ethyl-3-(O,O-diethylthiophosphoryl)thiourea and its characterization in the solid state and solution

Abstract

The reaction of (R)-1-(1-phenyl)ethyl-3-(O,O-diethylthiophosphoryl)thiourea with Cu(II) acetate is accompanied by copper reduction and leads to the formation of chiral polynuclear Cu6L6 complex. In the crystalline phase the complex consists of six Cu(I) ions alternating with sulfur atoms in the central core, with all six ligands exhibiting similar 1,5-S,S-coordination mode. This structural multinuclear arrangement is preserved in solutions, while at the same time partial disproportionation being observed with formation of complexes of lesser dimensionality. Synchronous redox processes of oxidation and reduction are observed for all six copper in the complex in the solid state. The mechanism of copper reduction with the ligand itself as a reducing agent is proposed.

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Article information


Submitted
13 Nov 2019
Accepted
09 Jan 2020
First published
09 Jan 2020

New J. Chem., 2020, Accepted Manuscript
Article type
Paper

Synthesis of the first chiral polynuclear copper(I) complex based on (R)-1-(1-phenyl)ethyl-3-(O,O-diethylthiophosphoryl)thiourea and its characterization in the solid state and solution

K. Metlushka, D. Sadkova, K. Nikitina, A. V. Pashagin, M. Khrizanforov, Y. H. Budnikova, V. Morozov, D. Islamov, S. K. Latypov, O. Kataeva and V. Alfonsov, New J. Chem., 2020, Accepted Manuscript , DOI: 10.1039/C9NJ05683A

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