Ruthenium(II) Complexes Bearing a Pyridyl-Supported Pyrazolyl−N-Heterocyclic Carbene (NNC) Ligand and Their Catalytic Activity in the Transfer Hydrogenation of Ketones
作者： Fanlong Zeng , Zhengkun Yu
DOI: 10.1021/OM8006213
关键词:
摘要: Ruthenium(II) complexes bearing a pyridyl-supported pyrazol-3-yl−N-heterocyclic carbene (NNC) ligand were synthesized from the reactions of RuCl3·3H2O with pyrazol-3-yl−imidazolium salts in presence carbon monoxide. These Ru(II) have exhibited good to excellent catalytic activity transfer hydrogenation ketones refluxing 2-propanol. Formation coordinatively unsaturated center precatalyst is attributed high complexes.
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