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Communication | Special issue | Vol 101, No. 2, 2020, pp.435-443
Published online, 25th September, 2019
DOI: 10.3987/COM-19-S(F)40
Synthesis of Dihydrobenzo[1,4]oxazines by Palladium-Catalyzed Cyclization of N-Substituted 2-Aminophenols with Propargylic Carbonates

Masahiro Yoshida,* Shunya Mori, Kenji Matsumoto, and Tsukasa Hirokane

*Faculty of Pharmaceutical Sciences, Tokushima Bunri University, 180 Nishihamabouji, Yamashiro-cho, Tokushima, 770-8514, Japan


The reaction of N-substituted 2-aminophenols with propargylic carbonates in the presence of a palladium-catalyst is described. The functionalized dihydrobenzo[1,4]oxazines were synthesized.