Hybrid System of Metal/Brønsted Acid Relay Catalysis for the Intramolecular Double Hydroarylation and Cationic Cyclization of Diyne Diethers and Diamines
[Mo, Juntae; Choi, Wonseok; Min, Jiae; Kim, Cheol-Eui; Eom, Dahan; Kim, Sung Hong; Lee, Phil Ho Journal of Organic Chemistry, 2013 , vol. 78, # 22 p. 11382 - 11388]