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Paper | Special issue | Vol 95, No. 1, 2017, pp.410-421
Published online, 19th December, 2016
DOI: 10.3987/COM-16-S(S)33
Syntheses of 2-Vinyl-2,3-dihydropyrroles and 3-Methylene-1,2,3,4-tetrahydropyridines by Palladium-Catalyzed Cyclization of N-Tosyl Imines with Allylic Diesters

Masahiro Yoshida,* Kouki Kinoshita, and Kosuke Namba

*Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Nishihama, Yamashiro-cho, Tokushima, 770-8514, Japan


A palladium-catalyzed cyclization of N-tosyl imines with allylic diesters is described. The reactions of N-tosyl imines with 2-buten-1,4-diol dicarbonate and 2-methylene-1,3-propanediol diacetate afforded 2-vinyl-2,3-dihydropyrroles and 3-methylene-1,2,3,4-tetrahydropyridines, respectively.