Journal
TOPICS IN CATALYSIS
Volume 53, Issue 3-4, Pages 200-209Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s11244-009-9418-7
Keywords
Ring closing metathesis; Ring opening metathesis polymerization; Hybrid catalysts; Ru catalysts; SBA-15
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Funding
- Grant Agency of the Academy of Science of the Czech Republic [IAA400400805]
- Academy of Sciences of the Czech Republic [KAN100400701]
- Ministry of Education of the Czech Republic [MSM0021620857]
- Grant Agency of the Czech Republic [203/08/H032]
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New hybrid catalysts for olefin metathesis were prepared by immobilization of Hoveyda-Grubbs type Ru alkylidenes on a siliceous SBA-15 support via exchange of chloro ligands for substituted carboxylates. Catalysts proved a high activity in ring closing metathesis of 1,7-octadiene and diethyl diallylmalonate, reusability and low Ru leaching. In Ring Opening Metathesis Polymerization of norbornene and cyclooctene, SBA-15 supported catalyst gave higher yields of high-molecular-weight polymers than corresponding catalyst with conventional silica support.
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