About: Quaternary Ammonium Ionic Liquids for Immobilization of Chiral Ru-BINAP Complexes in Asymmetric Hydrogenation of β-Ketoesters

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About: Quaternary Ammonium Ionic Liquids for Immobilization of Chiral Ru-BINAP Complexes in Asymmetric Hydrogenation of β-Ketoesters Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Chiral catalytic complex (R)-[RuCl(binap)(p-cymene)]Cl was used in asymmetric hydrogenation of methyl acetoacetate to methyl-3-hydroxybutyrate in the mixed methanol-ionic liquid phase. Quaternary ammonium salts ionic liquids, namely n-alkyl-triethylammonium bis(trifluoromethane sulfonyl) imides (NR222Tf2N, R = 6, 7, 8, 10, 12, 14), were prepared and employed in this transformation. Enough evidence was provided that only a small amount of this type of IL in a conventional solvent was necessary to accommodate the catalytic complex and that the reaction could be carried out with very high enantioselectivity. Similarly it was proved that under optimized conditions the catalytic complex immobilized in this manner could be used repeatedly. Chiral catalytic complex (R)-[RuCl(binap)(p-cymene)]Cl was used in asymmetric hydrogenation of methyl acetoacetate to methyl-3-hydroxybutyrate in the mixed methanol-ionic liquid phase. Quaternary ammonium salts ionic liquids, namely n-alkyl-triethylammonium bis(trifluoromethane sulfonyl) imides (NR222Tf2N, R = 6, 7, 8, 10, 12, 14), were prepared and employed in this transformation. Enough evidence was provided that only a small amount of this type of IL in a conventional solvent was necessary to accommodate the catalytic complex and that the reaction could be carried out with very high enantioselectivity. Similarly it was proved that under optimized conditions the catalytic complex immobilized in this manner could be used repeatedly. (en)
Title	Quaternary Ammonium Ionic Liquids for Immobilization of Chiral Ru-BINAP Complexes in Asymmetric Hydrogenation of β-Ketoesters Quaternary Ammonium Ionic Liquids for Immobilization of Chiral Ru-BINAP Complexes in Asymmetric Hydrogenation of β-Ketoesters (en)
skos:prefLabel	Quaternary Ammonium Ionic Liquids for Immobilization of Chiral Ru-BINAP Complexes in Asymmetric Hydrogenation of β-Ketoesters Quaternary Ammonium Ionic Liquids for Immobilization of Chiral Ru-BINAP Complexes in Asymmetric Hydrogenation of β-Ketoesters (en)
skos:notation	RIV/67985858:_____/09:00334294!RIV10-AV0-67985858
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GD203/08/H032), P(KAN400720701), Z(AV0Z40720504), Z(AV0Z50200510)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Klusoň, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	337897
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/09:00334294
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	asymmetric hydrogenation; stereoselectivity; ionic liquids (en)
http://linked.open.../riv/klicoveSlovo	ionic liquids stereoselectivity asymmetric hydrogenation
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[1031BEA3DF46]
http://linked.open...i/riv/nazevZdroje	Applied Catalysis A - General
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Advanced catalytic processes and materials Hierarchic nanosystems for microelektronics
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	366
http://linked.open...iv/tvurceVysledku	Klusoň, Petr Pelantová, Helena Floriš, T. Bartek, L.
http://linked.open...ain/vavai/riv/wos	000269758400020
http://linked.open...n/vavai/riv/zamer	Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection Microorganisms in Research and Biotechnology
issn	0926-860X
number of pages	6 (xsd:int)

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