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Coordination compounds of Cu(II) with the nitroxyl radical 2-acetyl-2,5,5-trimethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl thiosemicarbazone and its 1-hydroxy derivative

  • Organic Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    During the formation of complexes of Cu(II) with 2-acety1-2,5,5-trimethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl thiosemicarbazone, which has a donor functional group adjacent to the radical center, in methanol, chloroform, CH2Cl2, or acetone, the nitroxyl group of the ligand is reduced to the hydroxylamine. In alkaline solution, on the other hand, in the presence of Cu(II) salts the hydroxylamine group of 2-acety1-2,5,5-trimethy1-4-phenyl-3-imidazoline-1-hydroxy-3-oxide thiosemicarbazone is converted into the nitroxyl.

  2. 2.

    The coordination compound with the nitroxyl radical is diamagnetic, apparently owing to strong antiferromagnetic interaction between the unpaired electrons of the paramagnetic centers arising as a result of coordination of the

    group by the Cu(II) ion.

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Authors and Affiliations

  1. Institute of Inorganic Chemistry, Siberian Branch, Academy of Sciences of the USSR, Novosibirsk

    V. I. Ovcharenko, T. N. Sorokina, V. N. Ikorskii, S. V. Larionov & L. B. Volodarskii

  2. Novosibirsk Institute of Organic Chemistry, Siberian Branch, Academy of Sciences of the USSR, USSR

    V. I. Ovcharenko, T. N. Sorokina, V. N. Ikorskii, S. V. Larionov & L. B. Volodarskii

  3. Lenin Komsomol Novosibirsk State University, USSR

    V. I. Ovcharenko, T. N. Sorokina, V. N. Ikorskii, S. V. Larionov & L. B. Volodarskii

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  1. V. I. Ovcharenko
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  2. T. N. Sorokina
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  3. V. N. Ikorskii
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  4. S. V. Larionov
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  5. L. B. Volodarskii
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 162–168, January, 1986.

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Ovcharenko, V.I., Sorokina, T.N., Ikorskii, V.N. et al. Coordination compounds of Cu(II) with the nitroxyl radical 2-acetyl-2,5,5-trimethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl thiosemicarbazone and its 1-hydroxy derivative. Russ Chem Bull 35, 148–153 (1986). https://doi.org/10.1007/BF00952863

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  • DOI: https://doi.org/10.1007/BF00952863

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