1: With nitric acid in dichloromethane T=0 - 20°C; 1 h; 2: With sulfuric acid in chloroform T=-15 - 0°C; 1.5 h; Further stages.;
参考文献
Fokina, Natalie A.; Tkachenko, Boryslav A.; Merz, Anika; Serafin, Michael; Dahl, Jeremy E. P.; Carlson, Robert M. K.; Fokin, Andrey A.; Schreiner, Peter R.
European Journal of Organic Chemistry, 2007 , # 28 p. 4738 - 4745