PPh3-catalyzed unexpected α-addition reaction of 1-(o-hydroxyaryl)-1,3-diketones to terminal alkynoates: a straightforward synthesis of multifunctional vinylestersElectronic supplementary information (ESI) available: Detailed experimental procedures and characterization data for all products, and X-ray data for 3a. CCDC 711329. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/b909279j

PPh3-catalyzed α-addition reactions of 1-(o-hydroxyaryl)-1,3-diketones to terminal alkynoates involving carbon–carbon bond cleavage to give multifunctional vinylesters are described. [ABSTRACT FROM AUTHOR]