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A green and highly efficient synthetic method for the synthesis of quinazoline‐2,4‐diones with hydrogen peroxide as the terminal oxidant has been developed. The reaction features the mild reaction conditions, broad substrate scope, metal‐free catalysts, and sole byproduct water. A plausible mechanism for this process was proposed. Moreover, an antibacterial activity study was performed to evaluate...
A new strategy for the synthesis of N3‐benzoylated‐ and N3‐benzylated N1‐propargylquinazoline‐2,4‐diones 30a−d and 31a−d from isatoic anhydride 41 is reported. The alkynes 30a−d and 31a−d were applied in the 1,3‐dipolar cycloadditions with azides 27 and 28 to synthesize acyclic 1,2,3‐triazole nucleosides. The obtained alkynes and 1,2,3‐triazole were evaluated for antiviral activity against a broad...
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