Biomimetic enantioselective synthesis of β,β-difluoro-α-amino acid derivatives

Author:

Peng Qiupeng,Yan Bingjia,Li Fangyi,Lang Ming,Zhang Bei,Guo Donghui,Bierer DonaldORCID,Wang JianORCID

Abstract

AbstractAlthough utilization of fluorine compounds has a long history, synthesis of chiral fluorinated amino acid derivatives with structural diversity and high stereoselectivity is still very appealing and challenging. Here, we report a biomimetic study of enantioselective [1,3]-proton shift of β,β-difluoro-α-imine amides catalyzed by chiral quinine derivatives. A wide range of corresponding β,β-difluoro-α-amino amides were achieved in good yields with high enantioselectivities. The optically pure β,β-difluoro-α-amino acid derivatives were further obtained, which have high application values in the synthesis of fluoro peptides, fluoro amino alcohols and other valuable fluorine-containing molecules.

Publisher

Springer Science and Business Media LLC

Subject

Materials Chemistry,Biochemistry,Environmental Chemistry,General Chemistry

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