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Communication | Regular issue | Vol 16, No. 9, 1981, pp.1503-1508
Published online, 1st January, 1970
DOI: 10.3987/R-1981-09-1503
The Intramolecular Cycloaddition Reaction of o-Cinnamyloxybenzylidene(methoxycarbonyl)phenylmethylamines

Otohiko Tsuge,* Kazunori Ueno, and Ikuhiko Ueda

*Research Institute of Industrial Science, Faculty of Engineering, Kyushu University, 6-1, Kasuga-koen, Kasuga 816-8580, Japan

Abstract

o-Cinnamyloxybenzylidene(methoxycarbonyl)phenylmethylamines undergo an intramolecular cycloaddition via their 1,3-dipolar tautomers to the alkenyl group, affording three stereoisomeric cycloadducts.