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Communication | Regular issue | Vol 38, No. 1, 1994, pp.45-50
Published online, 1st January, 1970
DOI: 10.3987/COM-93-6563
A New Method for the Construction of Indole Nucleus

Masatomo Iwao

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

Abstract

Directed lithiation of N-tert-butoxycarbonylanilines and subsequent reaction with 1-tert-butyldimethylsilyl-1-phenylsulfinylethene gave the conjugate addition products which, without isolation, were cyclized to 1-tert-butoxycarbonyl-2-phenylthioindolines under thermal sila-Pummerer reaction conditions.