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Communication | Special issue | Vol 80, No. 2, 2010, pp.787-797
Published online, 2nd September, 2009
DOI: 10.3987/COM-09-S(S)81
Allylic Alkylation of Indoles with Butadiene Promoted by Palladium Catalyst and Triethylborane

Masanari Kimura,* Katsumi Tohyama, Yumi Yamaguchi, and Tomohiko Kohno

*Department of Applied Chemistry, Faculty of Engineering, Nagasaki University, 1-14, Bunkyo-machi, Nagasaki 852-8521, Japan

Abstract

Triethylborane promotes the Pd-catalyzed allylic alkylation of a wide variety of indoles with 1,3-butadiene to provide C3-octadienylindoles and C3-bis(octadienyl)indolenines in good to excellent yields under mild conditions.