Gold-Catalyzed Tandem Reactions of 2-Alkynyl Arylazides and Carboxylic Acids for the Synthesis of 1H-Indol-3-yl Esters
Journal article published in 2015 by
Xiaoxiang Zhang,
Xiaoping Sun,
Haifei Zhang,
Xingli Cui,
Mengtao Ma 
This paper is made freely available by the publisher.
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Abstract
1H-Indol-3-yl acetates are very important indole derivatives, which can be found in many bioactive compounds and natural products. In this work, 1H-indol-3-yl acetates were efficiently prepared via α-imino gold carbenes generated by gold-catalyzed reactions of 2-alkynyl arylazides. A very simple and general method for the synthesis of 1H-indol-3-yl acetates was provided after examining the substrates scope.