The physicochemical and biological properties of zinc(II) complexes

  • Erika Szunyogová
  • Dagmar Mudroňová
  • Katarína GyöryováEmail author
  • Radomíra Nemcová
  • Jana Kovářová
  • Lenka Piknová-Findoráková


Spectroscopic (IR), thermoanalytical (TG/DTG, DTA) and biological methods were applied to investigate physicochemical and biological properties of seven zinc(II) complex compounds of the following formula Zn(HCOO)2·2H2O (I), Zn(HCOO)2·tph (II), Zn(CH3COO)2·2H2O (III), Zn(CH3COO)2·tph (IV), Zn(CH3COO)2·2phen (V), Zn(CH3CH2COO)2·2H2O (VI), Zn(CH3CH2CH2COO)2·2H2O (VII), where tph=theophylline, phen=phenazone. The formation of various intermediates during thermal decomposition suggests the dependence on the length of aliphatic carboxylic chain and type of N-donor ligand (tph, phen). The final product of the thermal decomposition was ZnO. The antimicrobial activity of these complexes were tested against G+ and G bacteria. Strong inhibitive effect was observed towards E. coli, salmonellae and Staph. aureus.


antimicrobial activity complexes IR spectra thermal properties Zn(II) 


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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Erika Szunyogová
    • 1
  • Dagmar Mudroňová
    • 2
  • Katarína Györyová
    • 3
    Email author
  • Radomíra Nemcová
    • 2
  • Jana Kovářová
    • 4
  • Lenka Piknová-Findoráková
    • 3
  1. 1.Department of BiophysicsSlovak Academy of ScienceKošiceSlovak Republic
  2. 2.Research Institute of Gnotobiology and Prevention of Diseases in YoungUniversity of Veterinary MedicineKošiceSlovak Republic
  3. 3.Department of Inorganic ChemistryP. J. Šafarik UniversityKošiceSlovak Republic
  4. 4.Institute of Macromolecular Chemistry AV ČRPraha 6Czech Republic

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