Lewis acid promoted construction of chromen-4-one and isoflavone scaffolds via regio- and chemoselective domino Friedel–Crafts acylation/Allan–Robinson reaction
Lewis acid promoted construction of chromen-4-one and isoflavone scaffolds via regio- and chemoselective domino Friedel–Crafts acylation/Allan–Robinson reaction
An efficient one-pot synthesis of chromen-4-ones and isoflavones is achieved directly from phenols via the regio- and chemoselective domino Friedel–Crafts acylation/Allan–Robinson reaction.