4.0 Article

Novel chiral phosphine-phosphoramidite ligands derived from 1-naphthylamine for highly efficient Rh-catalyzed asymmetric hydrogenation

Journal

TETRAHEDRON-ASYMMETRY
Volume 19, Issue 15, Pages 1862-1866

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetasy.2008.07.022

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Funding

  1. National Natural Science Foundation of China [20472083]

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Anew chiral phosphine-phosphoramidite ligand (S)-HY-Phos 1 has been prepared from 1-naphthylamine via a two-step transformation, and successfully applied in the Rh-catalyzed asymmetric hydrogenation of various functionalized olefins, including alpha-(acetamido)cinnamates, enamides and alpha-enol ester phosphonates, in which up to 98% ee, 99% ee and 99% ee were achieved, respectively. (C) 2008 Elsevier Ltd. All rights reserved

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