One pot synthesis of aryl substituted aurones

Article abstract of DOI:10.1016/j.dyepig.2011.05.026

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.