Supported Ruthenium–Carbene Catalyst on Ionic Magnetic Nanoparticles for Olefin Metathesis

The Grubbs–Hoveyda ruthenium–carbene complex has been covalently immobilized on ionic magnetic nanoparticles utilizing an imidazolium salt linker. The supported catalyst exhibited excellent catalytic activity for ring-closing metathesis (RCM) and cross-metathesis (CM) in the presence of less than 1...

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Veröffentlicht in:Organic letters 2014-10, Vol.16 (19), p.4969-4971
Hauptverfasser: Chen, Shu-Wei, Zhang, Zhi-Cheng, Ma, Miaofeng, Zhong, Chong-Min, Lee, Sang-gi
Format: Artikel
Sprache:eng
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Zusammenfassung:The Grubbs–Hoveyda ruthenium–carbene complex has been covalently immobilized on ionic magnetic nanoparticles utilizing an imidazolium salt linker. The supported catalyst exhibited excellent catalytic activity for ring-closing metathesis (RCM) and cross-metathesis (CM) in the presence of less than 1 mol % of ruthenium. The catalysts can easily be recovered magnetically and reused up to seven times with minimal leaching of ruthenium species.
ISSN:1523-7060
1523-7052
DOI:10.1021/ol5024008