Chemical Papers

, Volume 72, Issue 4, pp 1041–1053 | Cite as

New series of quinazolinone derived Schiff’s bases: synthesis, spectroscopic properties and evaluation of their antioxidant and cytotoxic activity

  • Zuzana Hricovíniová
  • Michal Hricovíni
  • Katarína Kozics
Original Paper


A series of novel 2,3-di-substituted-2,3-dihydro-quinazolin-4(1H)-one derived Schiff’s bases (17) have been designed, synthesized and characterized on the basis of their physical and spectral data. The presented microwave-assisted, phosphomolybdic acid (PMoA) catalysed, protocol provides an efficient and convenient route for the synthesis of structurally diverse and potentially biologically active compounds. The molecular structures of these Schiff’s bases related to quinazolinones were confirmed by various spectroscopic methods (NMR, FTIR, UV–Vis) and their antioxidant activities were evaluated by UV–Vis and EPR spectroscopy employing 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) assay. Derivatives 17 were examined for their cytotoxicity in vitro against human hepatocellular carcinoma cells (HepG2) using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphentltetrazolium bromide (MTT) assay. The structure–activity relationships study revealed that the position and nature of functional groups attached to the quinazolinone moiety alter their physico-chemical and biological properties. Derivatives 5, 6 and 7 bearing multiple electron-donating groups were found to be the most active members of this series.


Quinazolinones Heterogeneous catalysis NMR EPR spectroscopy Antioxidant Cytotoxic effect 



The authors would like to acknowledge financial support from the Slovak Grant Agency, VEGA Grants No. 2/0100/14, 1/0041/15, 2/0027/16, 2/0022/18 and SP Grant 2003SP200280203 supported by the Research & Development Operational Program funded by the ERDF.

Supplementary material

11696_2017_345_MOESM1_ESM.docx (699 kb)
Supplementary material 1 (DOCX 698 kb)


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Copyright information

© Institute of Chemistry, Slovak Academy of Sciences 2017

Authors and Affiliations

  • Zuzana Hricovíniová
    • 1
  • Michal Hricovíni
    • 2
  • Katarína Kozics
    • 3
  1. 1.Institute of ChemistrySlovak Academy of SciencesBratislavaSlovakia
  2. 2.Faculty of Chemical and Food Technology, Institute of Physical Chemistry and Chemical PhysicsSlovak University of TechnologyBratislavaSlovakia
  3. 3.Cancer Research Institute, Biomedical Research CenterSlovak Academy of SciencesBratislavaSlovakia

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