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Note | Regular issue | Vol 51, No. 1, 1999, pp.157-160
Published online, 1st January, 1970
DOI: 10.3987/COM-98-8344
An SNAr-based Preparation of 1-(2-, 3-, and 4-Pyridyl)indoles Using Potassium Fluoride/Alumina

William J. Smith III and J. Scott Sawyer*

*Lilly Reserach Laboratories, Eli Lilly & Company, Lilly Corporate Center, Indianapolis, IN 46285-4813, U.S.A.

Abstract

The reaction of indole with 2-, 3-, and 4-halopyridines in the presence of potassium fluoride/alumina and 18-crown-6 in DMSO at 120 °C is effective in producing 1-(2-, 3-, and 4-pyridyl)indoles in moderate to good yields.