One-pot synthesis of 1,3-oxazine derivatives catalyzed by a green nanocomposite of lacunary phosphomolybdate on TiO2/g-C3N4 under mild solvent-free conditions

An investigation of three-component condensation of aromatic aldehydes, 2-naphthol, and urea was carried out using H 3 PMo 11 O 39 @TiO 2 @g-C 3 N 4 as a nanocatalyst at 80 °C under solvent-free conditions.