Johanna Novacek, Mario Waser,
"Bifunctional Chiral Quaternary Ammonium Salt Catalysts: A Rapidly Emerging Class of Powerful Asymmetric Catalysts"
, in Eur. J. Org. Chem., Seite(n) 637, 2013
Original Titel:
Bifunctional Chiral Quaternary Ammonium Salt Catalysts: A Rapidly Emerging Class of Powerful Asymmetric Catalysts