Inorganic Chemistry
Inorganic Chemistry
5 years ago

Dioxygenation Reaction of a Cobalt-Nitrosyl: Putative Formation of a Cobalt–Peroxynitrite via a {CoIII(NO)(O2–)} Intermediate

Dioxygenation Reaction of a Cobalt-Nitrosyl: Putative Formation of a Cobalt–Peroxynitrite via a {CoIII(NO)(O2–)} Intermediate
Kuldeep Gogoi, Soumen Saha, Biplab Mondal, Hemanta Deka, Somnath Ghosh, Baishakhi Mondal
The addition of dioxygen (O2) to the dichloromethane solution of complex 1 [(BPI)Co(NO)(OAc)], {BPI = bis(pyridylimino)isoindol} resulted in the formation of nitro complex, [(BPI)Co(NO2)(OAc)], 2. Kinetic studies and spectroscopic studies suggested the formation of the intermediate 1a [(BPI)CoIII(NO)(O2−)(OAc)] in the reaction. The intermediate 1a decomposed to complex 2 via a presumed peroxynitrite intermediate which was implicated by its characteristic phenol ring nitration reaction.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b01673

DOI: 10.1021/acs.inorgchem.7b01673

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