PPh3-catalyzed unexpected α-addition reaction of 1-(o-hydroxyaryl)-1,3-diketones to terminal alkynoates: a straightforward synthesis of multifunctional vinylesters†
Abstract
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.