4.8 Article

Enantioselective Rh-Catalyzed Hydrogenation of 3-Aryl-2-phosphonomethylpropenoates by a New Class of Chiral Ferrocenyl Diphosphine Ligands

Journal

ORGANIC LETTERS
Volume 11, Issue 15, Pages 3226-3229

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol9012469

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Funding

  1. National Natural Science Foundation of China [20802076, 20873145]
  2. Chinese Academy of Sciences [DICP-S200802]

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A new class of chiral ferrocenyl diphosphine ligands with an imidazole ring, (R-c, S-Fc)-ImiFerroPhos, has been prepared from acylferrocenes through a five-step transformation and successfully applied in the Rh-catalyzed asymmetric hydrogenation of various 3-aryl-substituted 2-phosphonomethylpropenoates, in which a series of chiral 3-phosphono-2-arylmethylpropanoic acid derivatives were achieved in ee values of up to 98%.

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