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  • Title: Lewis acid catalyzed formation of tetrahydroquinolines via an intramolecular redox process.
    Author: Murarka S, Zhang C, Konieczynska MD, Seidel D.
    Journal: Org Lett; 2009 Jan 01; 11(1):129-32. PubMed ID: 19067554.
    Abstract:
    Polycyclic tetrahydroquinolines were prepared by an efficient Lewis acid catalyzed 1,5-hydride shift, ring closure sequence. Gadolinium triflate was identified as a catalyst that is superior to scandium triflate as well as other Lewis acids. An approach toward a catalytic enantioselective variant is also described.
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