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Showing 1–4 of 4 results
Advanced filters: Author: Benjamin Mitschke Clear advanced filters

  • Utilizing the electrophilicity of ambiphilic silyl nitronates in asymmetric synthesis has remained elusive. Now, silylium-based Lewis acids are used for their activation, achieving the catalytic asymmetric nucleophilic addition of silyl ketene acetals to silyl nitronates for the synthesis of β3-amino acids.

    • Sayantani Das
    • Benjamin Mitschke
    • Benjamin List
    ResearchOpen Access
    Nature Catalysis
    Volume: 4, P: 1043-1049

  • The development of confined organocatalysts for the enantioselective cyanosilylation of small, unbiased substrates, including 2-butanone, is shown to lead to catalysts that are as selective as enzymes, with excellent levels of control.

    • Hui Zhou
    • Yu Zhou
    • Benjamin List
    ResearchOpen Access
    Nature
    Volume: 605, P: 84-89

  • In 1949, Winstein and Trifan proposed that the 2-norbornyl cation adopts a bridged, non-classical structure. Now, the generation of an asymmetric environment around the three-centre two-electron bond of such an ion has been reported, enabling highly enantioselective catalytic addition reactions to a simple, non-functionalized non-classical cation.

    • Roberta Properzi
    • Philip S. J. Kaib
    • Benjamin List
    Research
    Nature Chemistry
    Volume: 12, P: 1174-1179