Inorg. Chem.

Abstract

Two trinuclear Cu^II pyrazolato complexes with a Cu₃(μ₃-E)-core (E = O^2– or OH^–) and terminal nitrite ligands in two coordination modes were characterized crystallographically, spectroscopically, and electrochemically. One-electron oxidation of the μ₃-O species produces a delocalized, mixed-valent, formally Cu^II₂Cu^III-nitrite, but no nitrate. In contrast, under reducing conditions—addition of PhSH as an electron and proton donor—both complexes mediate the reduction of nitrite, releasing NO.

Reference

Kaige Shi, Logesh Mathivathanan, Athanassios K. Boudalis, Philippe Turek, Indranil Chakraborty, Raphael G. Raptis

Nitrite Reduction by Trinuclear Copper Pyrazolate Complexes: An Example of a Catalytic, Synthetic Polynuclear NO Releasing System

Inorg. Chem., 2019, 58 , 11, 7537-7544 - DOI: https://doi.org/10.1021/acs.inorgchem.9b00748

Contact chercheur

Athanassios K. Boudalis (https://pomam.chimie.unistra.fr/aboudalis/), POMAM, Institut de Chimie (UMR 7177).