Inorganic Chemistry
Inorganic Chemistry
4 years ago

Cobalt Ion Promoted Redox Cascade: A Route to Spiro Oxazine-Oxazepine Derivatives and a Dinuclear Cobalt(III) Complex of an N-(1,4-Naphthoquinone)-o-aminophenol Derivative

Cobalt Ion Promoted Redox Cascade: A Route to Spiro Oxazine-Oxazepine Derivatives and a Dinuclear Cobalt(III) Complex of an N-(1,4-Naphthoquinone)-o-aminophenol Derivative
Suvendu Maity, Sachinath Bera, Sandip Mondal, Prasanta Ghosh
A cobalt ion promoted redox cascade that converts N-(1,4-naphthoquinone)-o-aminophenol derivatives (LRH2) to a spiro oxazine-oxazepine derivative (OXLR) is disclosed, where the cascade precursor is [(LMe •−)CoIIICl2] (A). The route depends on R, solvent, and metal ion used; when R = NO2, the reaction affords a dinuclear cobalt(III) o-amidophenolato complex (1), while with zinc(II) ion it yields [(LMe •−)ZnIICl] (2).

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b01961

DOI: 10.1021/acs.inorgchem.7b01961

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