1: With palladium diacetate; trifluoroacetic acid in dimethyl sulfoxide T=100°C; 24 h; 2: With trifluoroacetic acid in dimethyl sulfoxide T=70°C; 2 h; Title compound not separated from byproducts;
参考文献
Zhou, Chengxiang; Larock, Richard C.
Journal of Organic Chemistry, 2006 , vol. 71, # 9 p. 3551 - 3558