An efficient and green synthesis of 2,3-dihydroquinazolin-4(1H)-ones by microwave-assisted reaction of isatoic anhydride, ammonium
acetate and an aldehyde or a ketone under catalyst- and solvent-free conditions is described.
Key words: 2,3-Dihydroquinazolin-4(1H)-ones, microwave irradiation, catalyst- and solvent-free synthesis, isatoic anhydride,
aldehydes, ketones.
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