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Palladium-catalyzed annulation of N-alkoxy benzsulfonamides with arynes by C–H functionalization: access to dibenzosultams

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Abstract

Palladium-catalyzed C–H/N–H functionalization of easily prepared N-alkoxy benzsulfonamides with arynes provides dibenzosultams in good yields via C–C/C–N bond formation, accompanied by an unexpected N–O bond cleavage. A mechanistic study shows that the reaction proceeds through a rate-determining C–H bond cleavage.

Graphical abstract: Palladium-catalyzed annulation of N-alkoxy benzsulfonamides with arynes by C–H functionalization: access to dibenzosultams

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Publication details

The article was received on 05 Dec 2018, accepted on 03 Jan 2019 and first published on 04 Jan 2019


Article type: Research Article
DOI: 10.1039/C8QO01311J
Citation: Org. Chem. Front., 2019, Advance Article
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    Palladium-catalyzed annulation of N-alkoxy benzsulfonamides with arynes by C–H functionalization: access to dibenzosultams

    S. Feng, S. Li, J. Li and J. Wei, Org. Chem. Front., 2019, Advance Article , DOI: 10.1039/C8QO01311J

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