C-N Bond Formation with Nano-Ru/Fe3O4

F. Shi; M. K. Tse; S. Zhou; M.-M. Pohl; J. Radnik; S. Hübner; K. Jähnisch; A. Brückner; M. Beller

doi:10.1055/s-0029-1216554

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Synfacts 2009(5): 0570-0570
DOI: 10.1055/s-0029-1216554

Polymer-Supported Synthesis

C-N Bond Formation with Nano-Ru/Fe₃O₄

Contributor(s): Yasuhiro Uozumi, Go Hamasaka
F. Shi, M. K. Tse, S. Zhou, M.-M. Pohl, J. Radnik, S. Hübner, K. Jähnisch, A. Brückner, M. Beller*
Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Center for Life Science Automation (CELISCA), Rostock-Warnemünde and Leibniz-Institut für Katalyse e.V. an der Universität Rostock, außenstelle Berlin, Germany

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Publication History

Publication Date:
22 April 2009 (online)

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Significance

A magnetite-immobilized nano-ruthenium catalyst (nano-Ru/Fe₃O₄) promoted the direct C-N bond formation of sulfonamides and alcohols. Thus, the dehydrative C-N bond-forming reaction of sulfonamides 1 and alcohols 2 was carried out with 0.4 mol% ruthenium of nano-Ru/Fe₃O₄ in the presence of K₂CO₃ under argon flow to give the corresponding products 3 in 49-98% isolated yield (21 examples).