hcHChcHeterocyclic Communications2191-01970793-0283De GruyterHC.1997.3.1.4710.1515/HC.1997.3.1.47REGIOSELECTIVE CYCLIZATION OF 1-TRIMETHYLACETYLINDOLE DERIVATIVES AT THE 4-P0SITI0N OF INDOLE NUCLEUSNakatsuka, Shin-ichiHayashi, TakujiAdachi, ShogoHarada, YasunariTajima, Nobumitsu021997021997314750©2011 by Walter de Gruyter GmbH & Co.This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.