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Phosphine–Imidazolyl Ligands for the Efficient Ruthenium??Catalyzed Hydrogenation of Carboxylic Esters

…, FA Westerhaus, A Spannenberg…

文献索引:Junge, Kathrin; Wendt, Bianca; Westerhaus, Felix Alexander; Spannenberg, Anke; Jiao, Haijun; Beller, Matthias Chemistry - A European Journal, 2012 , vol. 18, # 29 p. 9011 - 9018

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被引用次数: 35

摘要

Abstract The synthesis of phosphine–imidazolyl ligands 1 and 2 in good yields is presented. In combination with [{Ru (benzene) Cl 2} 2], ligands 1 c and 1 e formed efficient catalyst systems for the selective hydrogenation of various carboxylic esters into their corresponding primary alcohols. Furthermore, the structures of four ruthenium complexes with ligands 1 b, 1 c, 1 d, and 1 e were determined by X-ray crystallography, which showed the formation of ...