Yu K, Liu X, Lin X, Lin L, Feng X. Organocatalytic dynamic kinetic resolution of azlactones to construct chiral N-acyl amino acid oxime esters.
Chem Commun (Camb) 2015;
51:14897-900. [DOI:
10.1039/c5cc05534b]
[Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have developed a chiral bisguanidinium salt catalyzed dynamic kinetic resolution of azlactones with oximes. A variety of chiral N-acyl amino acid oxime esters were generated with up to 97% ee and 99% yield. The products are useful in peptide synthesis.
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