Palladium-Catalyzed Aerobic Oxidative Cyclization of N-Aryl Imines: Indole Synthesis from Anilines and Ketones
Ye Wei, Indubhusan Deb and Naohiko Yoshikai*
*Division of Chemistry and Biological Chemistry, School of
Physical and Mathematical Sciences, Nanyang Technological University, Singapore
637371, Singapore, Email: nyoshikai
ntu.edu.sg
Y. Wei, I. Deb, N. Yoshikai, J. Am. Chem. Soc., 2012, 134, 9098-9101.
DOI: 10.1021/ja3030824
Abstract
An operationally simple, atom-economic, palladium-catalyzed cyclization reaction of N-aryl imines, affords indoles via an oxidative linkage of two C-H bonds under mild conditions in the presence of oxygen. The process allows quick assembly of indole rings from inexpensive and readily available anilines and ketones and tolerates a broad range of functional groups.
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Key Words
ID: J48-Y2012-1760
