Zirconocene Bis(perfluorooctanesulfonate)s-Catalyzed the Reaction of Indoles and Carbonyl Compounds
Yi Weiguo, Jia Zhenyong, Li Ningbo, Qiu Renhua, Chen Jinyang, Xu Xinhua
Chin. J. Org. Chem. . 2012, (12): 2390 -2393 .  DOI: 10.6023/cjoc201207017