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Rhodium-Catalyzed Enantioselective Hydrogenation of β,β-Disubstituted α-Acetamido Acrylates Using Cheap Monodentate P-Ligands.

✍ Scribed by Manfred T. Reetz; Xiaoguang Li

Publisher: John Wiley and Sons
Year: 2006
Weight: 29 KB
Volume: 37
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200618027

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✦ Synopsis

Abstract

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In 2000, three research groups demonstrated that the widely held view that chiral bidentate ligands are necessary to achieve high enantioselectivity in rhodium-catalyzed hydrogenations needs revision. Monodentate phosphonites, [1a] phosphites [1b] and phosphoramidites [1c] proved to be highly versat