SBA-15 Immobilized Ruthenium Carbenes as Catalysts for Ring Closing Metathesis and Ring Opening Metathesis Polymerization

被引：23

作者：

Bek, David ^{[1
]}

Zilkova, Nadezda ^{[1
]}

Dedecek, Jiri ^{[1
]}

Sedlacek, Jan ^{[2
]}

Balcar, Hynek ^{[1
]}

机构：

[1] Acad Sci Czech Republic, J Heyrovsky Inst Phys Chem, CR-18223 Prague 8, Czech Republic

[2] Charles Univ Prague, Fac Sci, Dept Phys & Macromol Chem, Prague 12840 2, Czech Republic

来源：

TOPICS IN CATALYSIS | 2010年 / 53卷 / 3-4期

关键词：

Ring closing metathesis; Ring opening metathesis polymerization; Hybrid catalysts; Ru catalysts; SBA-15; MESOPOROUS MOLECULAR-SIEVES; ELECTRON-WITHDRAWING LIGANDS; OLEFIN-METATHESIS; RHENIUM OXIDE; HOVEYDA-GRUBBS; CROSS-METATHESIS; SUPPORT; ALUMINA; REACTIVITY; MECHANISM;

D O I：

10.1007/s11244-009-9418-7

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

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.

引用

页码：200 / 209

页数：10

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