Synthesis, structure and characterisation of late transition metal complexes with 2-(tetrazol-1-yl)pyridine

  • Tatiyana V. Serebryanskaya Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieninhradskaja Street, Minsk 220006, Belarus
  • Hanna A. Belavusava Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieninhradskaja Street, Minsk 220006, Belarus
  • Yuri V. Grigoriev Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieninhradskaja Street, Minsk 220006, Belarus
  • Sergei V. Voitekhovich Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieninhradskaja Street, Minsk 220006, Belarus
  • Ludmila S. Ivashkevich Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieninhradskaja Street, Minsk 220006, Belarus
  • Oleg A. Ivashkevich Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieninhradskaja Street, Minsk 220006, Belarus
DOI: https://doi.org/10.33581/2520-257X-2022-2-38-51

Abstract

Complexes [MII(2-pytz)Cl2] (M(II) = Pt, Pd; 2-pytz = 2-(tetrazol-1-yl)pyridine) were synthesised via direct interaction of the corresponding metal chlorides (K2PtCl4 or PdCl2) with 2-pytz under ambient conditions. RuCl3 does not react with 2-pytz under reflux in the protic media, while under reflux in N, N-dimethylformamide in the presence of LiCl, decomposition of the tetrazole cycle occurred leading to the formation of Ru(III)-coordinated N, N-dimethyl-N ′-(pyridin-2-yl)formimidamide derivative Li[RuIII(Py — N =C — NMe2)2Cl2]. The complex [Ru(2-pytz)(DMSO)3Cl2] ⋅ MeOH, where DMSO is dimethyl sulfoxide, was synthesised by reacting a specially prepared precursor cis-[Ru(DMSO)4Cl2] with 2-pytz in methanol under reflux conditions. The complex [Ru(2-pytz)(DMSO)2Cl2] was synthesised by reacting cis-[Ru(DMSO)4Cl2] with 2-pytz in ethanol under reflux conditions. The resulting complexes were characterised by elemental analyses, electrospray ionisation mass-spectrometry with detection of positive and negative ions, infrared spectroscopy, 1H and 13C nuclear magnetic resonance (NMR) spectroscopy, and simultaneous thermal analysis. The structures of complexes [Pd(2-pytz)Cl2] and [Ru(2-pytz)(DMSO)3Cl2] ⋅ MeOH were investigated by single-crystal X-ray analysis. In the former, 2-pytz shows a N,N-chelating coordination via the pyridine ring N and the tetrazole ring N2 atoms. In the latter, 2-pytz coordinates as a monodentate ligand via the tetrazole ring N4 atom. According to 1H NMR spectroscopy data, in complex [Ru(2-pytz)(DMSO)2Cl2], 2-pytz coordinates as a N, N-chelating ligand via the pyridine ring N and the tetrazole ring N2 atoms.

Author Biographies

Tatiyana V. Serebryanskaya, Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieninhradskaja Street, Minsk 220006, Belarus

PhD (chemistry); senior researcher at the laboratory for chemistry of condensed systems

Hanna A. Belavusava, Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieninhradskaja Street, Minsk 220006, Belarus

trainee of junior researcher at the laboratory for chemistry of condensed systems

Yuri V. Grigoriev, Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieninhradskaja Street, Minsk 220006, Belarus

PhD (chemistry), docent; head of the laboratory for chemistry of condensed systems

Sergei V. Voitekhovich, Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieninhradskaja Street, Minsk 220006, Belarus

PhD (chemistry); leading researcher at the laboratory for chemistry of condensed systems

Ludmila S. Ivashkevich, Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieninhradskaja Street, Minsk 220006, Belarus

PhD (chemistry), docent; head of the laboratory of physico-chemical investigations

Oleg A. Ivashkevich, Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieninhradskaja Street, Minsk 220006, Belarus

academician of the National Academy of Sciences of Belarus, doctor of science (chemistry), full professor; chief researcher at the laboratory for chemistry of condensed systems

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Published
2022-09-13
Keywords: tetrazoles, platinum(II), palladium(II), ruthenium(II), metal-assisted reactions, coordination compounds, single crystal X-ray diffraction
Supporting Agencies The research was supported by the Ministry of Education of the Republic of Belarus (assignment 2.2.01.06 of the state program of scientific research «Chemical processes, reagents and technologies, bioregulators and bioorgchemistry»).
How to Cite
Serebryanskaya, T. V., Belavusava, H. A., Grigoriev, Y. V., Voitekhovich, S. V., Ivashkevich, L. S., & Ivashkevich, O. A. (2022). Synthesis, structure and characterisation of late transition metal complexes with 2-(tetrazol-1-yl)pyridine. Journal of the Belarusian State University. Chemistry, 2, 38-51. https://doi.org/10.33581/2520-257X-2022-2-38-51
Issue
No 2 (2022): Journal of the Belarusian State University. Chemistry
Section
Original Articles

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