4.6 Article

Synthesis of Highly Substituted N-(Furan-3-ylmethylene)benzenesulfonamides by a Gold(I)-Catalyzed Oxidation/1,2-Alkynyl Migration/Cyclization Cascade

Journal

CHEMISTRY-A EUROPEAN JOURNAL
Volume 20, Issue 45, Pages 14868-14871

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201404229

Keywords

alkynes; furans; gold catalysis; imines; sulfonamides

Funding

  1. China Scholarship Council (CSC)
  2. Heinz Gotze Memorial Fellowship program of the Athenaeum Foundation fellowship

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A variety of N-(furan-3-ylmethylene)benzenesulfonamides were obtained by a gold(I)-catalyzed cascade reaction from easily accessible starting materials. The reaction pathway involves a rarely observed 1,2-alkynyl migration onto a gold carbenoid. This observation further enriches gold carbenoid chemistry with regard to group migration.

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