Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 675, Issue 1-2, Pages 91-96Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0022-328X(03)00223-7
Keywords
chiral aminophosphinites; enantioselectivities; toluene
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A general synthesis of chiral 4-amino-4,5-dihydro-3H-dinaphthophosphepines 5a-f is described. The resulting monodentate chiral aminophosphinites have been tested in the rhodium-catalyzed asymmetric hydrogenation of methyl alpha-acetamidocinnamate and methyl alpha-acetamidoacrylate. Enantioselectivities up to 96% ee were obtained in the presence of 5a and sodium dodecylsulfonate in toluene. (C) 2003 Elsevier Science B.V. All rights reserved.
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