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Bimetallic Catalysis: Asymmetric Transfer Hydrogenation of Sterically Hindered Ketones Catalyzed by Ruthenium and Potassium
Stockholm University, Faculty of Science, Department of Organic Chemistry.
Stockholm University, Faculty of Science, Department of Organic Chemistry.
Stockholm University, Faculty of Science, Department of Organic Chemistry.
2015 (English)In: ChemCatChem, ISSN 1867-3880, E-ISSN 1867-3899, Vol. 7, no 21, p. 3445-3449Article in journal (Refereed) Published
Abstract [en]

An efficient protocol for the asymmetric reduction of sterically hindered ketones under transfer-hydrogenation conditions was developed. The corresponding chiral alcohols were obtained in good to excellent yields with enantiomeric excess values up to 99%. The role of the cation associated with the base present in the reduction reaction was investigated. In contrast to previous studies on this catalyst system, potassium ions rather than lithium ions significantly enhanced the reaction outcome.

Place, publisher, year, edition, pages
WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim , 2015. Vol. 7, no 21, p. 3445-3449
Keywords [en]
asymmetric catalysis, hindered ketones, reduction, ruthenium, transfer hydrogenation
National Category
Organic Chemistry
Identifiers
URN: urn:nbn:se:su:diva-124189DOI: 10.1002/cctc.201500718ISI: 000364330600003OAI: oai:DiVA.org:su-124189DiVA, id: diva2:883035
Funder
Knut and Alice Wallenberg FoundationSwedish Research CouncilAvailable from: 2015-12-16 Created: 2015-12-15 Last updated: 2017-12-01Bibliographically approved

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