3-溴-1H-吡唑并[3,4-B]吡嗪合成路线 （共 11 条）
反应条件
hydrogen bromide 0.5 h; Heating;
参考文献
Kocevar, Marjan; Tisler, Miha; Stanovnik, Branko
Heterocycles, 1982 , vol. 19, # 2 p. 339 - 342
反应条件
1: 97 percent / triethylamine / CHCl3 / Ambient temperature 2: 72 percent / glacial acetic acid 3: 60 percent / sodium ethoxide / dimethylformamide 4: 10percent aqueous sodium hydroxide / 1 h / Heating 6: 84 percent / 48percent aqueous hydrobromic acid View Scheme
参考文献
Heterocycles, , vol. 19, # 2 p. 339 - 342
反应条件
1: 60 percent / sodium ethoxide / dimethylformamide 2: 10percent aqueous sodium hydroxide / 1 h / Heating 4: 84 percent / 48percent aqueous hydrobromic acid View Scheme
参考文献
Heterocycles, , vol. 19, # 2 p. 339 - 342
反应条件
1: 72 percent / glacial acetic acid 2: 60 percent / sodium ethoxide / dimethylformamide 3: 10percent aqueous sodium hydroxide / 1 h / Heating 5: 84 percent / 48percent aqueous hydrobromic acid View Scheme
参考文献
Heterocycles, , vol. 19, # 2 p. 339 - 342
反应条件
2: 84 percent / 48percent aqueous hydrobromic acid View Scheme
参考文献
Heterocycles, , vol. 19, # 2 p. 339 - 342
反应条件
1: aq. hydrochloric acid 3: 84 percent / 48percent aqueous hydrobromic acid View Scheme
参考文献
Heterocycles, , vol. 19, # 2 p. 339 - 342
反应条件
1: 10percent aqueous sodium hydroxide / 1 h / Heating 3: 84 percent / 48percent aqueous hydrobromic acid View Scheme
参考文献
Heterocycles, , vol. 19, # 2 p. 339 - 342
反应条件
1: 53 percent / hydrazine hydrate / ethanol 3: 84 percent / 48percent aqueous hydrobromic acid View Scheme
参考文献
Heterocycles, , vol. 19, # 2 p. 339 - 342
反应条件
1: 11 percent / NaOMe / dimethylformamide / 3 h / Heating 2: 43 percent / conc. HCl, NaNO2 / H2O / 0.33 h / Ambient temperature 3: 84 percent / 48percent HBr / 0.5 h / Heating View Scheme
参考文献
Monatshefte fuer Chemie, , vol. 113, p. 731 - 744
反应条件
1: 57 percent / acetic acid / 5 h / Heating 2: 11 percent / NaOMe / dimethylformamide / 3 h / Heating 3: 43 percent / conc. HCl, NaNO2 / H2O / 0.33 h / Ambient temperature 4: 84 percent / 48percent HBr / 0.5 h / Heating View Scheme
参考文献
Monatshefte fuer Chemie, , vol. 113, p. 731 - 744
