Gold-Catalyzed Tandem Reactions of 2-Alkynyl Arylazides and Carboxylic Acids for the Synthesis of 1 H-Indol-3-yl Esters
Zhang Xiaoxiang, Sun Xiaoping, Zhang Haifei, Cui Xingli, Ma Mengtao
Chin. J. Org. Chem. . 2015, (7): 1469 -1474 .  DOI: 10.6023/cjoc201501020