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    Öğe
    Novel zinc compound with thiosemicarbazone of glyoxylic acid: Synthesis, crystal structure, and bioactivity properties
    (Elsevier, 2020) Huseynova, Mansura; Farzaliyev, Vaqif; Medjidov, Ajdar; Aliyeva, Mahizar; Taslimi, Parham; Sahin, Onur; Yalcin, Bahattin
    Reaction of zinc nitrate with thiosemicarbazone of glyoxylic acid (H(2)GAT) leads to the formation of the new complex that have been characterized by spectroscopic methods. Crystal structure of the compound Zn3C18H34N18O17S6 (1) was determined using single crystal X-ray diffraction methods. Single crystal X-ray measurements showed that the complex crystallized in a triclinic system with the space group P-1. The structure of complex 1 presents distorted octahedral geometry around the zinc ion centre. In the crystal structure, Zn(II) ion is coordinated by two nitrogen, two oxygen and two sulfur atoms from two different thiosemicarbazone of glyoxylic acid and two oxygen atoms from two different water molecules. Thermogravimetry shows four steps of decomposition in the temperature range 225-990 degrees C. This complex was an inhibitor of butyrylcholinesterase (BChE), cytosolic carbonic anhydride I and II isoforms (hCA I and II) and acetylcholinesterase (AChE) enzymes for complex 1 with Ki values of 0.95 +/- 0.10 mu M for hCA I, 1.54 +/- 0.24 mu M for hCA II, 25.98 +/- 2.44 mu M for BChE, 166.21 +/- 13.63 mu M for alpha-glycosidase and 18.53 +/- 1.36 mu M for AChE, respectively. (C) 2019 Elsevier B.V. All rights reserved.
  • [ X ]
    Öğe
    Synthesis, biological and theoretical properties of crystal zinc complex with thiosemicarbazone of glyoxylic acid
    (Elsevier, 2022) Huseynova, Mansura; Farzaliyev, Vaqif; Medjidov, Ajdar; Aliyeva, Mahizar; Ozdemir, Mucahit; Taslimi, Parham; Zorlu, Yunus
    A new zinc complex with thiosemicarbazone of glyoxylic acid (1) was synthesized with zinc acetate dihy-drate and thiosemicarbazone of glyoxylic acid and crystallized in water. The absolute crystal structure of the complex was defined using the single-crystal X-ray diffraction technique. It was seen in X-ray mea-surements that the complex crystallized in the triclinic system with the P-1 space group. The structure of 1 represents distorted octahedral geometry around the central zinc metal. Zn(II) complex with thiosemi-carbazone of glyoxylic acid was an inhibitor of acetylcholinesterase (AChE), butyrylcholinesterase (BChE), human carbonic anhydrase I and II isoforms (hCA I and II) receptors and the inhibitor constant (Ki) values of the synthesized complex were 38.94 +/- 8.2 mu M for hCA I, 48.62 +/- 11.3 mu M for hCA II, 65.16 +/- 11.4 mu M for BChE and 82.04 +/- 16.0 mu M for AChE, respectively. The molecular docking method was used to show the complex-enzyme interactions. The pharmacokinetic properties of the complex were determined by ADME/Tox predictions and the results obtained showed that the complex could be a potential drug can-didate. (C) 2021 Elsevier B.V. All rights reserved.