Conclusions
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1.
Feasibility has been demonstrated for the use of the1H {31P} DHSD method in studying the structure of complexes of Ni(II) and Co (II) with hydrazones in solution.
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2.
It has been confirmed by means of1H DHSD that Co (II) and Ni (II), with the salicyloylhydrazone of acetone and the benzoylhydrazone of benzaldehyde, form complexes with coordination number 4; with the benzoylhydrazone of salicylaldehyde and with the salicyloylhydrazones of 2-pyridinealdehyde and benzaldehyde, they form complexes with coordination number 6.
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3.
It has been established by means of NMR that complexes of Co(II) with acylhydrazones having a planar square unit, are capable of coordinating oxygen molecules.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 1959–1964, September, 1987.
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Zyablikova, T.A., Troepol'skaya, T.V., Il'yasov, A.V. et al. NMR study of dynamic complexes of Ni(II) and Co (II) with aroyl- and acylhydrazones. Russ Chem Bull 36, 1814–1819 (1987). https://doi.org/10.1007/BF00958320
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DOI: https://doi.org/10.1007/BF00958320