A facile and green one pot four component synthesis of polyhydroquinoline derivatives from aldehydes, dimedone, ethyl acetoacetate and
ammonium acetate in the presence of a spinel (ZnFe0.2Al1.8O4) composite catalyst has been reported under microwave irradiation. The
method offers excellent yield of products in short reaction time.
Key words: polyhydroquinolines, Hantzsch’s condensation, ZnFe0.2Al1.8 O4 nanocomposite catalyst, microwave irradiation
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