Ultrasound promoted asymmetric transfer hydrogenation of ketones using Ru(II)arene/amino alcohol catalyst system

Asymmetric transfer hydrogenation of ketones using Ru(II)arene/amino alcohol catalyst system proceeds with significant rate enhancement by ultrasound promotion. Comparison of the silent reactions carried out at 25°C with reactions under sonochemical activation at 25°C clearly showed enhancement in c...

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Veröffentlicht in:	Ultrasonics sonochemistry 2008-04, Vol.15 (4), p.289-293
Hauptverfasser:	Shingote, Savita K., Kelkar, Ashutosh A., Borole, Yogesh L., Joshi, Pradip D., Chaudhari, Raghunath V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amino Alcohols - chemistry Asymmetric catalysis Catalysis Chemistry Chromatography, High Pressure Liquid Exact sciences and technology Gas Chromatography-Mass Spectrometry General and physical chemistry Hydrogenation - radiation effects Indicators and Reagents Ketones - chemistry Ketones - radiation effects Kinetics Physical chemistry of induced reactions (with radiations, particles and ultrasonics) Ruthenium Compounds - chemistry Stereoisomerism Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry Transfer hydrogenation Ultrasonic chemistry Ultrasound
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Zusammenfassung:	Asymmetric transfer hydrogenation of ketones using Ru(II)arene/amino alcohol catalyst system proceeds with significant rate enhancement by ultrasound promotion. Comparison of the silent reactions carried out at 25°C with reactions under sonochemical activation at 25°C clearly showed enhancement in catalytic activity by 5–10 times without significantly affecting the enantioselectivity.
ISSN:	1350-4177 1873-2828
DOI:	10.1016/j.ultsonch.2007.10.003