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Synthesis, Characterization, and Reactivity of an Ethynyl Benziodoxolone (EBX)-Acetonitrile Complex

Masaharu Yudasaka, Daisuke Shimbo, Toshifumi Maruyama, Norihiro Tada*, Akichika Itoh*

*Gifu Pharmaceutical University1-25-4, Daigaku-nishi, Gifu 501-1196, Japan, Email:,

M. Yudasaka, D. Shimbo, T. Maruyama, N. Tada, A. Itoh, Org. Lett., 2019, 21, 1098-1102.

DOI: 10.1021/acs.orglett.9b00005 (free Supporting Information)

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A crystalline ethynyl-1,2-benziodoxol-3(1H)-one (EBX)-acetonitrile complex can be used for N-ethynylation of various sulfonamides under mild conditions.

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Key Words


ID: J54-Y2019