Bidentate Schiff Base Ruthenium Complexes as Precursors of Homogeneous and Immobilized Catalysts
- Authors: Francis Verpoort1, Baoyi Yu2, Fatma B. Hamad3, Heriberto Diaz Velazquez4, Zhixiong Luo5
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View Affiliations Hide Affiliations1 State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Center for Chemical and Material Engineering, Department of Chemistry Faculty of Sciences, Wuhan University of Technology, Wuhan 430070, P.R., China 2 State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Center for Chemical and Material Engineering, Department of Chemistry Faculty of Sciences, Wuhan University of Technology, Wuhan 430070, P.R., China 3 State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Center for Chemical and Material Engineering, Department of Chemistry Faculty of Sciences, Wuhan University of Technology, Wuhan 430070, P.R., China 4 State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Center for Chemical and Material Engineering, Department of Chemistry Faculty of Sciences, Wuhan University of Technology, Wuhan 430070, P.R., China 5 State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Center for Chemical and Material Engineering, Department of Chemistry Faculty of Sciences, Wuhan University of Technology, Wuhan 430070, P.R., China
- Source: Advances in Organic Synthesis: Volume 3 , pp 3-35
- Publication Date: January 2013
- Language: English
Bidentate Schiff Base Ruthenium Complexes as Precursors of Homogeneous and Immobilized Catalysts, Page 1 of 1
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The paper presents an overview of the work conducted in our group on the synthesis of a novel class of homogeneous and immobilized Ru-complexes containing Schiff bases as O, N-bidentate ligands benefiting from a versatile, quite general and thoroughly exemplified two-step procedure. The new Ru-complexes with improved stability incorporate a variety of Schiff bases, associated with traditional inorganic and organic ligands such as chloride, phosphanes, arenes, cyclodienes, NHC etc., and different carbenes (alkylidene, vinylidene, allenylidene and indenylidene). By a proper choice of the Schiff base, useful physical and chemical properties of the derived Ru-complexes could be induced resulting in tunable catalytic activity for metathesis and related processes. A pertinent example is the latency of selected Schiff base Ru catalysts which by becoming active only under specific conditions (heat or acid activation) are ideal for industrial applications, e.g. reaction injection molding processes. The synthetic approaches that are critically discussed in this chapter have led to a diversity of Ru-complexes of which several members have risen to the rank of commercial catalysts.
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