Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 690, Issue 21-22, Pages 5006-5010Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2005.08.006
Keywords
ruthenium; transfer hydrogenation; catalysis
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The compounds, [(PPh3)(2)Ru(CH3CN)(3)Cl] [BPh4] (1) and [(PPh3)(2)Ru(CH3CN)(3)CI] [CIO4](2) have been synthesized from reactions of [Ru(PPh3)(3)Cl-2] with Na[BPh4] and NaClO4 center dot H2O, respectively, in acetonitrile. The compound 1 has been structurally characterized. The geometry of this complex is that of a distorted octahedral, with cationic Ru(II) center bonded two triphenylphosphine ligands in the axial position and three acetonitrile and one chloride ligands present in the basal positions. The ruthenium compounds are catalytically active for the conversion of aldehydes and ketones to alcohols at 90 degrees C using 2-propanol as the source of hydrogen in the presence of K2CO3. (c) 2005 Elsevier B.V. All rights reserved.
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