2-溴-5,6-二甲氧基-3-硝基吡啶合成路线 (共 6 条)
反应条件
in methanol
T=20°C; 1 h;
参考文献
4SC AG
Patent: EP2017277 A1, 2009 ;
Location in patent: Page/Page column 30 ;
EP 2017277 A1
反应条件
sodium methylate in methanol
20 h;
参考文献
Clark, Gary J.; Deady, Leslie W.
Australian Journal of Chemistry, 1981 , vol. 34, # 4 p. 927 - 932
反应条件
1: 44 percent / bromine, aq. NaOH / 1.) 0 deg C, 0.5 h, 2.) RT, 2 h
2: 79 percent / potassium carbonate / dimethylsulfoxide / 1 h / Heating
3: 45 percent / nitric acid, conc. sulfuric acid / 2 h / 60 - 65 °C
4: 95 percent / sodium methoxide / methanol / 20 h
View Scheme
参考文献
Clark, Gary J.; Deady, Leslie W.
Australian Journal of Chemistry, 1981 , vol. 34, # 4 p. 927 - 932
反应条件
1: 79 percent / potassium carbonate / dimethylsulfoxide / 1 h / Heating
2: 45 percent / nitric acid, conc. sulfuric acid / 2 h / 60 - 65 °C
3: 95 percent / sodium methoxide / methanol / 20 h
View Scheme
参考文献
Clark, Gary J.; Deady, Leslie W.
Australian Journal of Chemistry, 1981 , vol. 34, # 4 p. 927 - 932
反应条件
1: 45 percent / nitric acid, conc. sulfuric acid / 2 h / 60 - 65 °C
2: 95 percent / sodium methoxide / methanol / 20 h
View Scheme
参考文献
Clark, Gary J.; Deady, Leslie W.
Australian Journal of Chemistry, 1981 , vol. 34, # 4 p. 927 - 932
反应条件
hydrazine hydrate; palladium on activated charcoal in ethanol
0.5 h; Heating;
参考文献
Clark, Gary J.; Deady, Leslie W.
Australian Journal of Chemistry, 1981 , vol. 34, # 4 p. 927 - 932