One pot synthesis of aryl substituted aurones

An efficient one-pot synthesis of new 4-hydroxy-2-(diarylmethylene)benzofuran-3(2H)-ones dyes (aryl substituted aurones) from 2′,6′-dihydroxyacetophenone, potassium tert-butoxide and aromatic ketones under thermal conditions is described.

Figure optionsDownload as PowerPoint slideHighlights
► One pot synthesis of aurones.
► Thermal synthesis of aryl substituted aurones.
► Fast and easy synthesis of aurone dyes.