1: With lithium diisopropyl amide in tetrahydrofuran T=-78°C; 0.333333 h; 2: With carbon tetrabromide in tetrahydrofuran T=-78 - 20°C; 1 h; Further stages.;
参考文献
Pomerantz, Martin; Amarasekara, Ananda S.; Rasika Dias
Journal of Organic Chemistry, 2002 , vol. 67, # 20 p. 6931 - 6937