Intramolecular Oxygen Transfer Reaction of 2-Alkynyl-1,5-Diketones

ANGEWCHEM

The [4+2], not [2+2], Mechanism Occurs in the Gold-Catalyzed Intramolecular Oxygen Transfer Reaction of 2-Alkynyl-1,5-Diketones
Le-Ping Liu, Deepika Malhotra, Robert S. Paton, K. N. Houk and Gerald B. Hammond