Niobium Pentachloride Catalyzed One-Pot Multicomponent Condensation Reaction of β-Naphthol, Aryl Aldehydes and Cyclic 1, 3-Dicarbonyl Compounds
Mohammad A. Nasseri,
Abbas A. Esmaeili.
Niobium pentachloride catalyzed one-pot multicomponent condensation reaction of β-naphthol, aryl aldehydes
and cyclic 1,3-dicarbonyl compounds. Thus, a variety of 8,9,10,12-tetrahydrobenzo[a] xanthen-11-one derivatives were
produced in good to excellent yields.
Keywords: Xanthene, aryl aldehyde, β-naphthol, cyclohexandione, niobium pentachloride.
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