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Communication | Regular issue | Vol 23, No. 9, 1985, pp.2173-2175
Published online, 1st January, 1970
DOI: 10.3987/R-1985-09-2173
A New Synthesis of Quinuclidinium Derivatives

Joëlle Mayrargue, Michel Vayssière, and Marcel Miocque*

*Faculté de Pharmacie, UA 496 CNRS, 5 rue J.B. Clément, 92296 Châtenay-Malabry Cedex, France


Six membered rings including at the positions 1 and 4 a basic nitrogen and a propargylic chain undergo cyclization by intramolecular nucleophilic attack of nitrogen on triple bond. Quinuclidiniums are isolated as iodides. The reaction is investigated in the field of piperidine, piperazine, and tropane derivatives.