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Complex formation of PdCl2 with 1-substituted 3,5-dimethylpyrazoles

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Abstract

Herein the synthesis of 3-(3,5-Dimethyl-1H-pyrazol-1-yl)butanal oxime (L) and its complex formation with PdCl2 is studied. IR and 1Н NMR spectroscopic methods as well as X-ray diffraction analysis (СIF file CCDC no. 1531058) elucidate that the nitrogen atoms N(4) and N(15) from pyrazole and imine group of oxime respectively, participate in coordination with PdCl2. Moreover, primarily thermal stability test shows that [PdCl2(L)] complex (I) is quite stable at moderate temperatures and intense decomposition of latter occurs ca 200–210°C. As a consequence of thermal decomposition, both volatile ligand and its dehydration by-product 3-(3,5-dimethyl-1H-pyrazol-1-yl)butanenitrile are formed. Afterwards, the anticonvulsant properties of PdCl2, L, and I are of interest and well studied in this section.

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Authors and Affiliations

  1. Institute of Organic Chemistry, Scientific Technological Center of Organic and Pharmaceutical Chemistry, National Academy of Sciences of the Republic of Armenia, Yerevan, Armenia

    A. N. Khachatryan

  2. Molecular Structure Research Center, Scientific Technological Center of Organic and Pharmaceutical Chemistry, National Academy of Sciences of the Republic of Armenia, Yerevan, Armenia

    R. A. Tamazyan & A. S. Aivazyan

  3. Russian−Armenian (Slavonic) University, Yerevan, Armenia

    G. G. Danagulyan & O. S. Attaryan

Authors
  1. A. N. Khachatryan
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  2. R. A. Tamazyan
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  3. A. S. Aivazyan
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  4. G. G. Danagulyan
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  5. O. S. Attaryan
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Correspondence to A. N. Khachatryan.

Additional information

Original Russian Text © A.N. Khachatryan, R.A. Tamazyan, A.S. Aivazyan, G.G. Danagulyan, O.S. Attaryan, 2017, published in Koordinatsionnaya Khimiya, 2017, Vol. 43, No. 11, pp. 696–700.

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Khachatryan, A.N., Tamazyan, R.A., Aivazyan, A.S. et al. Complex formation of PdCl2 with 1-substituted 3,5-dimethylpyrazoles. Russ J Coord Chem 43, 765–769 (2017). https://doi.org/10.1134/S1070328417110045

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  • DOI: https://doi.org/10.1134/S1070328417110045

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