Phosphine-Catalyzed Tandem α-O-Addition and Transesterification of Oxgen Pronucleophiles on Arylpropiolates: A New Route to Dioxygenated Heterocyles - Gabillet, Sandra; Lecerclé, Delphine; Loreau, Olivier; Dézard, Sophie; Gomis, Jean-Marie; Taran, Frédéric (Synthesis, 2007)