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Communication | Regular issue | Vol 26, No. 1, 1987, pp.75-79
Published online, 1st January, 1970
DOI: 10.3987/R-1987-01-0075
An N-Acyliminium Route to the 8-Azabicyclo[3.2.1]octane (Tropane) and the 9-Azabicyclo[4.2.1]nonane Ring System Synthesis of (±)-Anatoxin-A

Peter M. Esch, Henk Hiemstra, Wim J. Klaver, and W. Nico Speckamp

*Organic Chemistry Department, University of Amsterdam, Nieuwe Achtergracht 129, 1018 WS Amsterdam, The Netherlands


Propargyl and ally 1 silanes 20-22, readily prepared from succinimide, cyclize on dissolution in formid acid to azabicycles 23-25 in excellent yields.