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Synfacts 2009(11): 1291-1291  
DOI: 10.1055/s-0029-1218070
Polymer-Supported Synthesis
© Georg Thieme Verlag Stuttgart ˙ New York

Epoxidation of Olefins with Nanoparticle-Supported Mo Complexes

Contributor(s): Yasuhiro Uozumi, Noboru Kobayashi
S. Shylesh, J. Schweizer, S. Demeshko, V. Schünemann, S. Ernst, W. R. Thiel*
TU Kaiserslautern and Georg-August-Universität Göttingen, Germany
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Publikationsdatum:
22. Oktober 2009 (online)

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Significance

Oxodiperoxo molydenum complexes grafted on silica-coated magnetic nanoparticles 1Mo@SMNP and 2Mo@SMNP catalyzed the epoxidation of olefins with t-BuOOK in up to 96% and 58% yield, respectively (10 examples). In the reaction of cyclooctene, the catalysts were recovered by magnetic separation and reused five times (average 94% and 53% yield in six times, respectively).