A Gold(III)-Catalyzed Double Wacker-Type Reaction of 1,1-Diethynyl Acetate - Kato, Keisuke; Teraguchi, Ryuhei; Kusakabe, Taichi; Motodate, Satoshi; Yamamura, Shigeo; Mochida, Tomoyuki; Akita, Hiroyuki (Synlett, 2007)