反应条件
1: 1.) 48 percent HBr, Br2; 2.) NaNO2 / 1) 30-40 deg C; 2) -5 deg C, H2O; 10-15 Deg C, 90 min.; 3) 40 deg C. 15 min
2: dimethylsulfoxide / 0.08 h / 180 °C
3: 54 percent / HCl / 1.5 h / Heating
4: 70 percent / H2S, 25 percent NH3
5: 1) conc. H2SO4, NaNO2; 2) conc. H2SO4 / 1) H2O, 0 deg C, 5 min; 2) reflux, H2O
6: 58 percent / Ag2O / dimethylsulfoxide / 4 h / 60 °C
View Scheme
参考文献
Oehlke, J.; Schroetter, E.; Dove, S.; Schick, H.; Niedrich, H.
Pharmazie, 1983 , vol. 38, # 9 p. 591 - 596
