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Paper | Special issue | Vol 64, No. 1, 2004, pp.229-240
Published online, 6th August, 2004
DOI: 10.3987/COM-04-S(P)17
Cycloaddition Reactions of Neutral 2-Azadienes with Acetylenic Esters

Francisco Palacios,* Concepción Alonso, Cristina Tobillas, and Gloria Rubiales

*Department of Organic Chemistry I, Basque Country University, P.O. Box 450, 01080 Vitoria, Spain

Abstract

A method for the preparation of functionalized polysubstituted dihydropyridine and pyridine derivatives is described, based on cycloaddition reactions of 2-aza-1,3-dienes with dimethyl acetylenedicarboxylate and ethyl propiolate.