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Communication | Regular issue | Vol 51, No. 8, 1999, pp.1785-1788
Published online, 1st January, 1970
DOI: 10.3987/COM-99-8605
Novel One-Pot Preparation of 5-Methoxylated Indoline and Indole Derivatives Using a Hypervalent Iodine(III) Reagent

Hirofumi Tohma, Hiroaki Watanabe, Shinobu Takizawa, Tomohiro Maegawa, and Yasuyuki Kita*

*Graduate School of Pharmaceutical Science, Osaka University, 1-6 Yamadaoka, Toyonaka, Osaka 560-0043, Japan


A novel and efficient one-pot preparation of 1-tosylindoline and indole derivatives from N-tosylaniline derivatives (1) and activated olefin derivatives (2) using a hypervalent iodine(III) reagent, phenyliodine(III) bis(trifluoroacetate) (PIFA), is described.