期刊
CATALYSIS COMMUNICATIONS
卷 177, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.catcom.2023.106662
关键词
Olefin metathesis; Heterogeneous catalysts; Ionic liquids; Supported catalysts
Over the past 30 years, many strategies have been developed to immobilize well-defined metathesis catalysts on solid supports. The use of heterogeneous catalysis resulted in increased purity of the product and the possibility of recycling the catalyst. This review focuses on the short history of heterogeneous catalysts used in olefin metathesis, with particular emphasis on examples from recent years. It mainly discusses the immobilized ruthenium alkylidene complexes based on ionic liquids as a new promising approach, including the noncovalent immobilization that has gained recent interest. The methods of attaching catalysts and types of carriers are also presented. Homogeneous catalysts are discussed to highlight the influence and potential of immobilization on the activity and selectivity of heterogeneous catalysts in olefin metathesis.
Over the past 30 years, many strategies have been developed to immobilize well-defined metathesis catalysts on solid supports. The use of heterogeneous catalysis resulted in increased purity of the product and the possibility of recycling the catalyst. This review presents the short history of heterogeneous catalysts used in numerous types of olefin metathesis with particular emphasis on examples from recent years. The main focus was put on immobilized ruthenium alkylidene complexes based on ionic liquids, as a new promising approach, which in-cludes noncovalent immobilization that gained interest recently. Methods of attaching catalysts and types of carriers are also presented. Homogeneous catalysts are discussed in order to emphasize the influence and po-tential of immobilization on the activity and selectivity of heterogeneous catalysts in olefin metathesis.
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