Conclusions
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1.
We have oxidized Co, Ni, and Cu by organic halogen-containing compounds and by bromine under mild conditions.
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2.
By reacting the metals Co, Ni, and Cu with organic halogen-containing compounds (RX) and Br2 in polar aprotic solvents (L) we have obtained complexes with the general formula NX2Ln, where n≤6, in which the metal is in oxidation state +2.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1442–1448, July, 1976.
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Kurskov, S.N., Ivleva, I.N., Lavrent'ev, I.P. et al. Oxidation of transition metals in the liquid phase. Russ Chem Bull 25, 1380–1385 (1976). https://doi.org/10.1007/BF00920799
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DOI: https://doi.org/10.1007/BF00920799