oa South African Journal of Chemistry - Silica-supported yttrium nitrate hexahydrate as a heterogeneous catalyst for the synthesis of 2-amino-4H-chromenes in water : research article
|Article Title||Silica-supported yttrium nitrate hexahydrate as a heterogeneous catalyst for the synthesis of 2-amino-4H-chromenes in water : research article|
|© Publisher:||South African Chemical Institute (SACI)|
|Journal||South African Journal of Chemistry|
|Affiliations||1 Yasouj University, Iran, 2 Yasouj University, Iran, 3 Yasouj University, Iran and 4 Yasouj University, Iran|
|Publication Date||Jan 2014|
|Pages||109 - 112|
|Keyword(s)||2-amino-4H-chromene, [beta]-naphthol, Arylaldehyde, Malononitrile and Silica-supported yttrium nitrate hexahydrate|
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 β-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.
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