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Pure Appl. Chem., 2001, Vol. 73, No. 12, pp. 1941-1945

Intramolecular cyclization of propargyl derivatives using environmentally friendly methodologies

E. Duñach1, A. P. Esteves2, A. M. Freitas2, M. A. Lemos2, M. J. Medeiros2* and S. Olivero1

1 Laboratoire Arômes, Synthèses et Interactions, Université de Nice-Sophia Antipolis, Parc Valrose, 06108 Nice Cedex 2, France
2 Centro de Química/IBQF, Universidade do Minho, Largo do Paço, 4700-320 Braga, Portugal

Abstract: The electrochemical intramolecular cyclization of propargyl derivatives containing a carbon­halogen bond in N,N'-dimethylformamide at constant current in a diaphragmless cell has been developed using Ni(II) complexes as electron-transfer mediators.