Silica-supported yttrium nitrate hexahydrate (Y(NO3)3.6H2O/SiO2) has been found to be an efficient and reusable catalyst for the synthesis of 2-amino-4H-chromenes via a one-pot aqueous three-component reaction between arylaldehydes, malononitrile and Γ’-naphthol in high yields. This method has many appealing attributes such as excellent yields, short reactions time, reusability of the catalyst and simple work-up procedure.KEYWORDS: Silica-supported yttrium nitrate hexahydrate, 2-amino-4H-chromene, malononitrile, arylaldehyde, Ξ²-naphthol
