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A series of novel (E)-2-(4-(1H-1,2,4-triazol-1-yl)styryl)-4-(alkyl/arylmethyleneoxy)quinazoline derivatives (4a–4s) were synthesized in good to excellent yields, and their structures were fully characterized by $$^{1}\hbox {H}$$ 1H NMR, $$^{13}\hbox {C}$$ 13C NMR, HRMS and IR spectra. The structure of compound 4b was further confirmed via single-crystal X-ray diffraction analysis. The bioassay results...
A series of novel quinazolin-4-one derivatives (7a–7n) bearing the 7-oxo-1,2,4-triazolo[1,5-a]pyrimidine moiety were designed, synthesized and evaluated for their inhibition activities against phytopathogenic bacteria and fungi in vitro. All of the target compounds were fully characterized through $$^{1}\hbox {H}$$ 1H NMR, $$^{13}\hbox {C}$$ 13C NMR, HRMS and IR spectra. Among these compounds, the...
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