diethylamino-sulfur trifluoride; antimony trichloride in dichloromethane
15 min at 0 deg C, then 72 h at room temp.; Yield given. Yields of byproduct given;
参考文献
Wnuk, Stanislaw F.; Robins, Morris J.
Journal of Organic Chemistry, 1990 , vol. 55, # 15 p. 4757 - 4760