Abstract

A practical synthetic method for 2,2'-disubstituted fluorinated binaphthyl derivatives was achieved using magnesium bis(2,2,6,6-tetramethylpiperamide) [Mg(TMP)(2)], prepared from LiTMP (2 equiv) and MgBr(2) (1 equiv), which allows for access to a variety of fluorinated binaphthyl compounds. The utility of the fluorinated binaphthyl backbone was evaluated in F10 BINOL derived chiral mono-phosphoric acid (R)- as the chiral Brønsted acid catalyst. The catalyst (R)- performs exceptionally well in the catalytic enantioselective imino-ene reaction, demonstrating the potential of a fluorinated binaphthyl framework.

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