4.7 Article

Highly enantioselective zinc/BINOL-catalyzed alkynylation of alpha-ketoimine ester: a new entry to optically active quaternary alpha-CF3 alpha-amino acids

Journal

CHEMICAL COMMUNICATIONS
Volume 47, Issue 19, Pages 5587-5589

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc10403a

Keywords

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Funding

  1. NSFC [20902100, 20852003, 20832008]
  2. Shanghai Rising-Star Program [09QA1406900]
  3. SIOC

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An effective method for highly enantioselective alkynylation of ketoimine (alpha-trifluoromethyl ketoimine ester) has been developed via a zinc/BINOL catalyzed process. This protocol provides a useful and facile access to optically active quaternary alpha-trifluoromethyl alpha-amino acids and related derivatives of interest in life sciences.

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