Enantioselective Construction of Spirooxindole Derivatives through [3+2] Annulation Catalyzed by a Bisthiourea as a Multiple-Hydrogen-Bond Donor

CHEMISTRY-A EUROPEAN JOURNAL

WILEY-V C H VERLAG GMBH

1. National Natural Science Foundation of China [20832001, 20972065, 21074054, 21172106]
2. National Basic Research Program of China [2010CB923303]