Elahe Keshavarz - Department of Sciences, Farhangian University, Rasht, Iran

Nickel oxide (NiO) nanoparticles (NPs) were used as catalyst in aldol reactions of aryl alkyl ketones with aromatic and heteroaromatic aldehydes. NiO NPs were used in low concentration for efficient cross aldol reactions in moderate to good yields. This reported method illustrates several advantages such as environmental friendly reaction conditions, simplicity, short reaction time, easy work up, low ketone to aldehyde ratio, and recyclability of the catalyst

Nickel oxide nanoparticle; Green synthesis; Aldol reaction