反应条件
1.1: 62 percent / Br2 / acetic acid / 48 h / 110 °C 2.1: 65 percent / diphenylphosphoryl azide; triethylamine / 16 h / Heating 3.1: 85 percent / trifluoroacetic acid / CH2Cl2 / 2 h / Heating 4.1: NaNO2; HBF4; NaBF4 / tetrahydrofuran; H2O / 0 - 20 °C 4.2: 47 percent / xylene / 1 h / Heating View Scheme
参考文献
Repine, Joseph T.; Johnson, Douglas S.; White, Andrew D.; Favor, David A.; Stier, Michael A.; Yip, Judy; Rankin, Trent; Ding, Qizhu; Maiti, Samarendra N.
Tetrahedron Letters, 2007 , vol. 48, # 31 p. 5539 - 5541