1: With copper(l) iodide; trimethylsilyl trifluoromethanesulfonate; lithium chloride in tetrahydrofuran T=-78°C; 1 h; 2: With trifluoroacetic acid in tetrahydrofuran T=-78 - 20°C; Further stages.;
参考文献
Mueller, Amanda J.; Jennings, Michael P.
Organic Letters, 2007 , vol. 9, # 25 p. 5327 - 5329