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

Kaige Shi | Zendy; Logesh Mathivathanan | Zendy; A.K. Boudalis | Zendy; Philippe Turek | Zendy; Indranil Chakraborty | Zendy; Raphael G. Raptis | Zendy

Open Access

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

Author(s) -

Kaige Shi,

Logesh Mathivathanan,

A.K. Boudalis,

Philippe Turek,

Indranil Chakraborty,

Raphael G. Raptis

Publication year - 2019

Publication title -

inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 233

eISSN - 1520-510X

pISSN - 0020-1669

DOI - 10.1021/acs.inorgchem.9b00748

Subject(s) - chemistry , catalysis , nitrite , copper , reduction (mathematics) , selective catalytic reduction , combinatorial chemistry , inorganic chemistry , polymer chemistry , organic chemistry , nitrate , geometry , mathematics

Two trinuclear Cu II pyrazolato complexes with a Cu 3 (μ 3 -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 μ 3 -O species produces a delocalized, mixed-valent, formally Cu II 2 Cu 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.

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