4.6 Article

Asymmetric Synthesis of α-Aminophosphonates Using the Inexpensive Chiral Catalyst 1,1′-Binaphthol Phosphate

Journal

MOLECULES
Volume 15, Issue 8, Pages 5782-5796

Publisher

MDPI
DOI: 10.3390/molecules15085782

Keywords

alpha-aminophosphonate derivatives; aldimines; cinnamaldehyde; chiral organocatalyst; asymmetric addition

Funding

  1. National Key Project for Basic Research [2010CB126105]
  2. National Natural Science Foundation of China [20872002]

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Asymmetric addition under mild conditions of dialkyl phosphites on aldimines derived from cinnamaldehyde catalyzed by the inexpensive chiral organocatalyst (R)-3,3'-[4-fluorophenyl](2)-1,1'-binaphthol phosphate has been found effective to give new alpha-amino-phosphonates 9 in moderate yields (30-65%) and enantiomeric excess (8.4%-61.9%).

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