Abstract
A simple and efficient one-pot process for the synthesis of 1,8-dioxo-octahydroxanthene and 2,2′-arylmethylene bis(3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one) derivatives via the Knoevenagel–Michael cascade reactions of aromatic aldehydes and dimedone catalyzed by Bronsted acidic ionic liquids (BAILs) in solvent-free and aqueous conditions is described in this study. These heterocycles were prepared in the presence of Bronsted acidic ionic liquids as a suitable, economical, readily synthesized and eco-friendly catalyst. This method offers several advantages such as high yields, simplicity of the workup, low cost, short reaction times, green conditions and use of a reusable catalyst.
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Schedule a callMore From: Iranian Journal of Science and Technology, Transactions A: Science
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