A Highly Site-, Regio-, and Stereoselective Lewis Acid Catalyzed Formal [3+3] Cycloaddition of Methylenecyclopropane-1,1-Diesters with C,N-Diarylnitrones

CHEMISTRY-A EUROPEAN JOURNAL

WILEY-V C H VERLAG GMBH

1. National Natural Science Foundation of China [20572045, 20421202]
2. Ministry of Education of China [RFDF20070055022, RSF[2005]383]