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  • The Direct and Enantioselec...
    Hayashi, Yujiro; Tsuboi, Wataru; Ashimine, Itaru; Urushima, Tatsuya; Shoji, Mitsuru; Sakai, Ken

    Angewandte Chemie, August 11, 2003, Volume: 42, Issue: 31
    Journal Article

    A double‐crossed reaction: The use of proline as an organocatalyst enables a one‐pot, direct, cross‐Mannich reaction to be performed between two different aldehydes and 4‐methoxyaniline in a highly syn‐diastereo‐ and enantioselective manner (see scheme).