Technical Notes:
1. Dynamic Kinetic Resolution: Bifunctional organocatalysts of the tpe shown, with a quasi L ewis acidic urea
or thiourea unit and a Brønsted basic amine functionality, effect the dynamic kinetic resolution of azlactones with high enantioselectivity.
References:
1. Angew, Chem. Int. Ed., 2005, 44, 807-811.