Carboxyl Graphene as a Superior Support for Bulky Ruthenium-Based Olefin Metathesis Catalyst

被引：10

作者：

Kaczanowska, Katarzyna ^{[1
]}

Chwalba, Michal ^{[1
]}

Pastva, Jakub ^{[1
]}

Kubu, Martin ^{[2
]}

Ruszczynska, Anna ^{[3
]}

Bulska, Ewa ^{[3
]}

Balcar, Hynek ^{[2
]}

Skowerski, Krzysztof ^{[1
]}

机构：

[1] Apeiron Synth SA, Dunska 9, PL-54427 Wroclaw, Poland

[2] Czech Acad Sci, J Heyrovsky Inst Phys Chem, Vvi, Dolejskova 3, Prague 18223 8, Czech Republic

[3] Uniwersytetu Warszawskiego, Analityczne Ctr Eksperckie, Ctr Nauk Biol Chem, Ul Zwirki & Wigury 101, PL-02089 Warsaw, Poland

来源：

ORGANOMETALLICS | 2018年 / 37卷 / 12期

关键词：

NATURAL-PRODUCT SYNTHESIS; N-HETEROCYCLIC CARBENE; HETEROGENEOUS CATALYSTS; MESOPOROUS SILICA; METAL-COMPLEXES; HOVEYDA-GRUBBS; AMMONIUM TAGS; NHC LIGAND; IMMOBILIZATION; SURFACE;

D O I：

10.1021/acs.organomet.8b00026

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A Hoveyda-type catalyst decorated with two quaternary ammonium tags was synthesized and noncovalently grafted on SiO2, SBA-15, and on carboxyl graphene. A comparative study showed that the efficiency of the dual-anchored heterogeneous catalysts was highly dependent on the properties of the supporting material with graphene outperforming silicate supports. The graphene-immobilized complex exhibited excellent efficiency reflected in turnover numbers obtained in ring-closing metathesis and in self-metathesis of 1-decene. Importantly, the solid-supported catalyst assured increased recyclability with no ruthenium leaching as confirmed by inductively coupled plasma mass spectrometry.

引用

页码：1837 / 1844

页数：8

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