Abstract
Given are experimental data indicating that base-catalyzed intramolecular cyclization of ammonium salts containing a 2-propynyl-like group together with a 3-alkenyl- or 3-aryl-2-propynyl group follows a concerted mechanism involving the 3-alkenyl- or 3-aryl-2-propynyl moiety as π4-fragment.
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Translated from Zhurnal Organicheskoi Khimii, Vol. 41, No. 3, 2005, pp. 369–371.
Original Russian Text Copyright © 2005 by E. Chukhadzhyan, Gevorkyan, El. Chukhadzhyan, Kinoyan.
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Chukhadzhyan, E.O., Gevorkyan, A.R., Chukhadzhyan, E.O. et al. On the Mechanism of Intramolecular Cyclization of Dialkyl(2-propynyl)[3-alkenyl(or aryl)-2-propynyl]-ammonium Salts. Russ J Org Chem 41, 358–360 (2005). https://doi.org/10.1007/s11178-005-0170-6
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DOI: https://doi.org/10.1007/s11178-005-0170-6