title: A facile, general synthesis of 3,4-difluoro-6-substituted-2-pyrones.
abstract: Reaction of (2E)-2,3-difluoro-3-iodoacrylic acid with a variety of terminal acetylenes under cocatalysis of PdCl2(PPh3)2 and CuI gave difluorinated 2-pyrones as the sole product in good yields.
authors: Department of Chemistry, University of Iowa, Iowa City, Iowa 52242, USA.
authors: Yi
authors: Y
authors: Wang
authors: Donald J
authors: DJ
authors: Burton