2-(3,4-二甲氧基苯基)-5,7,8-三甲氧基-4H-1-苯并吡喃-4-酮合成路线 （共 19 条）
反应条件
sulfuric acid in acetic acid 0.025 h; HeatingMicrowave irradiation;
参考文献
Heterocycles, , vol. 71, # 7 p. 1589 - 1600
反应条件
potassium carbonate in acetone 1 h; Heating;
参考文献
Tetrahedron, , vol. 60, # 11 p. 2647 - 2655
反应条件
1: 93 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C 2: 41 percent / K2CO3 / acetone / 1 h / Heating View Scheme
参考文献
Tetrahedron, , vol. 60, # 11 p. 2647 - 2655
反应条件
1: 99 percent / KOH / ethanol / 3 h / 20 °C 2: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 3: 93 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C 4: 41 percent / K2CO3 / acetone / 1 h / Heating View Scheme
参考文献
Tetrahedron, , vol. 60, # 11 p. 2647 - 2655
反应条件
1: 93 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C 2: 41 percent / K2CO3 / acetone / 1 h / Heating View Scheme
参考文献
Tetrahedron, , vol. 60, # 11 p. 2647 - 2655
反应条件
1: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 2: 93 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C 3: 41 percent / K2CO3 / acetone / 1 h / Heating View Scheme
参考文献
Tetrahedron, , vol. 60, # 11 p. 2647 - 2655
反应条件
1: 99 percent / KOH / ethanol / 3 h / 20 °C 2: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 3: 93 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C 4: 41 percent / K2CO3 / acetone / 1 h / Heating View Scheme
参考文献
Tetrahedron, , vol. 60, # 11 p. 2647 - 2655
反应条件
1: pyridine / 1 h / 100 °C 2: KOH / pyridine / 3 h / 60 °C 3: sodium acetate / acetic acid / 4 h / Heating View Scheme
参考文献
Journal of the Indian Chemical Society, , vol. 65, p. 107 - 109
反应条件
1: KOH / pyridine / 3 h / 60 °C 2: sodium acetate / acetic acid / 4 h / Heating View Scheme
参考文献
Journal of the Indian Chemical Society, , vol. 65, p. 107 - 109
反应条件
1: pyridine / 1 h / 100 °C 2: KOH / pyridine / 3 h / 60 °C 3: sodium acetate / acetic acid / 4 h / Heating View Scheme
参考文献
Journal of the Indian Chemical Society, , vol. 65, p. 107 - 109
