Tandem [2+1] Cycloaddition-Ring Expansion of Bicyclic Alkenes with Tertiary Propargylic Acetates Catalyzed by Palladium(II)-Coordinated Phosphinous Acid - Bigeault, Julie; de Riggi, Innocenzo; Gimbert, Yves; Giordano, Laurent; Buono, Gérard (Synlett, 2008)