期刊
ORGANOMETALLICS
卷 37, 期 12, 页码 1837-1844出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.organomet.8b00026
关键词
-
资金
- Czech Science Foundation [17-01440S]
- European Union, the European Regional Development Fund, the Operational Program Innovative Economy [POIG.01.04.00-02-160/13]
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.
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