Asymmetric Friedel-Crafts Reaction of 4,7-Dihydroindoles with Nitroolefins by Chiral Bronsted Acids under Low Catalyst Loading

CHEMISTRY-A EUROPEAN JOURNAL

WILEY-V C H VERLAG GMBH

1. National Natural Science Foundation of China
2. National Basic Research Program of China [2009CB825300]
3. Chinese Academy of Sciences
4. Science and Technology Commission of Shanghai Municipality [07pj14106, 07 JC14063]