Solvent-Free Friedel-Crafts Acylation of Fluorobenzene Catalyzed by Trifluoromethanesulfonic Acid and Rare Earth Triflates
Jia Hongyan, Xie Zuosong, Guo Yun, Guo Yanglong, Wang Yanqin, Lu Guanzhong
Chin. J. Org. Chem. . 2013, (12): 2572 -2577 .  DOI: 10.6023/cjoc201305049