boron trifluoride diethyl etherate in acetic acid
T=35 - 40°C;
参考文献
Glotova, T. E.; Nakhmanovich, A. S.; Komarova, T. N.; Sigalov, M. V.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1990 , vol. 26, # 8 p. 958
Corsaro, Antonino; Compagnini, Anna; Perrini, Giancarlo; Purrello, Giovanni
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1984 , # 5 p. 897 - 900