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Asymmetric hydrogenation of ketones using Ir(III) complexes of N-alkyl-N '-tosyl-1,2-ethanediamine ligands
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Martins, Jose E. D., Morris, David J. and Wills, Martin (2009) Asymmetric hydrogenation of ketones using Ir(III) complexes of N-alkyl-N '-tosyl-1,2-ethanediamine ligands. Tetrahedron Letters, Vol.50 (No.6). pp. 688-692. doi:10.1016/j.tetlet.2008.11.101 ISSN 0040-4039.
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Official URL: http://dx.doi.org/10.1016/j.tetlet.2008.11.101
Abstract
The combination of an enantiomerically pure N'-alkylated derivative of N-4-toluenesulfonyl-1,2-diphenylethane-1,2-diamine (TsDPEN) with iridium trichloride results in the formation of a catalyst with high selectivity for ketone hydrogenation. Products with enantiomeric excesses of up to 84% were formed. The best results were obtained using a ligand with an n-alkyl chain and ortho-substituted acetophenone derivatives and other hindered derivatives. (C) 2008 Elsevier Ltd. All rights reserved.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
Library of Congress Subject Headings (LCSH): | Hydrogenation, Ketones, Iridium, Catalysis, Acetophenone, Ligands | ||||
Journal or Publication Title: | Tetrahedron Letters | ||||
Publisher: | Elsevier | ||||
ISSN: | 0040-4039 | ||||
Official Date: | 11 February 2009 | ||||
Dates: |
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Volume: | Vol.50 | ||||
Number: | No.6 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 688-692 | ||||
DOI: | 10.1016/j.tetlet.2008.11.101 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Funder: | Engineering and Physical Sciences Research Council (EPSRC), Brazil. Coordenação do Aperfeiçoamento de Pessoal de Nível Superior (CAPES) | ||||
Grant number: | EP/D031168/1 (EPSRC) |
Data sourced from Thomson Reuters' Web of Knowledge
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