2,4-二氯-5-氟苯酰氯合成路线 (共 21 条)
反应条件
thionyl chloride 2 h; Heating;
参考文献
Journal of Fluorine Chemistry, , vol. 106, # 2 p. 173 - 179
Journal of Fluorine Chemistry, , vol. 123, # 2 p. 163 - 169
反应条件
1: 62 percent / pyridine / dioxane / 1.) 2 h, room temperature, 2.) 1 h, 70 - 80 deg C. 2: 85 percent / potassium carbonate / dimethylformamide / 2 h / 140 - 150 °C View Scheme
参考文献
Grohe, Klaus; Heitzer, Helmut
Liebigs Annalen der Chemie, 1987 , p. 29 - 37
反应条件
1: 62 percent / pyridine / dioxane / 1.) 2 h, room temperature, 2.) 1 h, 70 - 80 deg C. 2: 85 percent / potassium carbonate / dimethylformamide / 2 h / 140 - 150 °C 3: 92 percent / conc. H2SO4 / H2O; acetic acid / 1.5 h / Heating 4: 86 percent / dimethylsulfoxide / 2.5 h / 140 °C View Scheme
参考文献
Grohe, Klaus; Heitzer, Helmut
Liebigs Annalen der Chemie, 1987 , p. 29 - 37
反应条件
sodium hydroxide; potassium carbonate; acetic acid; triethylamine in anhydrous xylene; water; isopropyl alcohol
参考文献
Bayer Aktiengesellschaft
Patent: US6229017 B1, 2001 ;
反应条件
1: 62 percent / pyridine / dioxane / 1.) 2 h, room temperature, 2.) 1 h, 70 - 80 deg C. 2: 85 percent / potassium carbonate / dimethylformamide / 2 h / 140 - 150 °C 3: 92 percent / conc. H2SO4 / H2O; acetic acid / 1.5 h / Heating View Scheme
参考文献
Grohe, Klaus; Heitzer, Helmut
Liebigs Annalen der Chemie, 1987 , p. 29 - 37
反应条件
1: 62 percent / pyridine / dioxane / 1.) 2 h, room temperature, 2.) 1 h, 70 - 80 deg C. 2: 85 percent / potassium carbonate / dimethylformamide / 2 h / 140 - 150 °C 3: 92 percent / conc. H2SO4 / H2O; acetic acid / 1.5 h / Heating 4: 79 percent / pyridine / 8 h / Heating 5: 98 percent / conc. HCl / H2O / Heating View Scheme
参考文献
Grohe, Klaus; Heitzer, Helmut
Liebigs Annalen der Chemie, 1987 , p. 29 - 37
反应条件
1: Mg/ethanol, CCl4 / ethanol; toluene / 1.) 0 to -5 deg C, 2.) 12 h, room temperature 2: p-toluenesulfonic acid / H2O / 5 h / Heating View Scheme
参考文献
Grohe, Klaus; Heitzer, Helmut
Liebigs Annalen der Chemie, 1987 , p. 29 - 37
反应条件
1: 62 percent / pyridine / dioxane / 1.) 2 h, room temperature, 2.) 1 h, 70 - 80 deg C. 2: 85 percent / potassium carbonate / dimethylformamide / 2 h / 140 - 150 °C 3: 92 percent / conc. H2SO4 / H2O; acetic acid / 1.5 h / Heating 4: 79 percent / pyridine / 8 h / Heating View Scheme
参考文献
Grohe, Klaus; Heitzer, Helmut
Liebigs Annalen der Chemie, 1987 , p. 29 - 37
反应条件
1: 54 percent / pyridine / dioxane / 1.) 2 h, room temperature, 2.) 1 h, 70 - 80 deg C. 2: 74 percent / potassium t-butylate / dioxane / 1.) 30 min, room temperature, 2.) 2 h, reflux 3: 91 percent / conc. H2SO4 / H2O; acetic acid / 1.5 h / Heating View Scheme
参考文献
Grohe, Klaus; Heitzer, Helmut
Liebigs Annalen der Chemie, 1987 , p. 29 - 37
参考文献
Bayer Aktiengesellschaft
Patent: US4680401 A1, 1987 ;