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  • Amplification of Chirality ...
    Rivera-Fuentes, Pablo; Alonso-Gómez, José Lorenzo; Petrovic, Ana G; Santoro, Fabrizio; Harada, Nobuyuki; Berova, Nina; Diederich, François

    Angewandte Chemie (International ed.), March 15, 2010, Letnik: 49, Številka: 12
    Journal Article

    Enantiomerically pure alleno‐acetylenic oligomers of defined lengths were synthesized by the palladium‐mediated oxidative homocoupling of optically pure 1,3‐diethynylallenes. The large amplification of their chiroptical properties strongly suggests the formation of helical secondary structures. This assignment is supported by time‐dependent quantum chemical calculations.