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Synfacts 2009(12): 1414-1414  
DOI: 10.1055/s-0029-1218205
Polymer-Supported Synthesis
© Georg Thieme Verlag Stuttgart ˙ New York

Au:PVP-Catalyzed Intramolecular Addition of Sulfonamide to Alkenes

Contributor(s): Yasuhiro Uozumi, Tsubasa Muto
H. Kitahara, I. Kamiya, H. Sakurai*
The Graduate University for Advanced Studies and Institute for Molecular Science, Okazaki; Presto, Japan Science and Technology Agency, Tokyo, Japan
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Publikationsdatum:
20. November 2009 (online)

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Significance

Gold nanoclusters (average size: 1.3 nm) stabilized by poly(N-vinyl-2-pyrrolidone) (Au:PVP) promoted the intramolecular addition of toluenesulfonamide to unactivated alkenes under air to give the corresponding pyrrolidine derivatives 2 in up to >99% yield (8 examples).