In this work, nano-CoAl 2 O 4 was prepared and characterized by FT-IR, energy dispersive X-ray analysis (EDX), X-ray diffraction patterns (XRD), scanning electron microscopy (SEM), vibrating sample magnetometer (VSM) and transmission electron microscopy (TEM). Nano-CoAl 2 O 4 was applied for the synthesis of hexahydroquinoline derivatives by the condensation reaction between ethyl acetoacetate, dimedone and various aldehydes. These reactions were carried out at 80°C under solvent-free conditions.
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