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结构式
乙二醇
甲醛
63148-62-9
MDI
丁酮
二甲基亚砜
碳酸氢钠
471-34-1
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乙二醇
甲醛
63148-62-9
MDI
丁酮
二甲基亚砜
碳酸氢钠
471-34-1
76650-20-9
合成路线
(共 14 条)
76650-20-9
→
反应条件
10496-67-0
3-(3,4-二甲氧基苯基)-1-(2-羟基-4,6-二甲氧基苯基)-2-丙烯-1-酮
反应条件
boron tribromide in dichloromethane T=0°C; 0.5 h;
参考文献
Chu, Han-Wei; Wu, Huan-Ting; Lee, Yean-Jang
Tetrahedron, 2004 , vol. 60, # 11 p. 2647 - 2655
76650-20-9
→
反应条件
478-01-3
川陈皮素
反应条件
1: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 2: 65 percent / dimethyl dioxirane / acetone; CH2Cl2 / 1 h / 0 - 20 °C 3: 95 percent / K2CO3 / acetone / 6 h / Heating 4: 71 percent / I2; pyridine / 8 h / Heating 5: 94 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 6: 90 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C 7: 87 percent / K2CO3 / acetone; CH2Cl2 / 6 h / Heating View Scheme
参考文献
Tetrahedron, , vol. 60, # 11 p. 2647 - 2655
76650-20-9
→
反应条件
855-97-0
3,4,5,7-四甲氧基黄酮
反应条件
1: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 2: 97 percent / K2CO3 / acetone / 2 h / Heating View Scheme
参考文献
Chu, Han-Wei; Wu, Huan-Ting; Lee, Yean-Jang
Tetrahedron, 2004 , vol. 60, # 11 p. 2647 - 2655
76650-20-9
→
反应条件
117-39-5
槲皮素
反应条件
1: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 2: 97 percent / K2CO3 / acetone / 2 h / Heating 3: 86 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.5 h / 0 - 20 °C 4: 83 percent / BBr3 / CH2Cl2 / 6 h / Heating View Scheme
参考文献
Chu, Han-Wei; Wu, Huan-Ting; Lee, Yean-Jang
Tetrahedron, 2004 , vol. 60, # 11 p. 2647 - 2655
76650-20-9
→
反应条件
35154-55-3
2-(3,4-二甲氧基苯基)-3-羟基-5,6,7,8-四甲氧基苯并吡喃-4-酮
反应条件
1: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 2: 65 percent / dimethyl dioxirane / acetone; CH2Cl2 / 1 h / 0 - 20 °C 3: 95 percent / K2CO3 / acetone / 6 h / Heating 4: 71 percent / I2; pyridine / 8 h / Heating 5: 94 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 6: 90 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C 7: 87 percent / K2CO3 / acetone; CH2Cl2 / 6 h / Heating 8: 80 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.17 h / 0 - 20 °C View Scheme
参考文献
Tetrahedron, , vol. 60, # 11 p. 2647 - 2655
76650-20-9
→
反应条件
17290-70-9
2-(3,4-二甲氧基苯基)-5,7,8-三甲氧基-4H-1-苯并吡喃-4-酮
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
76650-20-9
→
反应条件
2306-27-6
甜橙黄酮
反应条件
1: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 2: 65 percent / dimethyl dioxirane / acetone; CH2Cl2 / 1 h / 0 - 20 °C 3: 95 percent / K2CO3 / acetone / 6 h / Heating 4: 71 percent / I2; pyridine / 8 h / Heating View Scheme
参考文献
Chu, Han-Wei; Wu, Huan-Ting; Lee, Yean-Jang
Tetrahedron, 2004 , vol. 60, # 11 p. 2647 - 2655
76650-20-9
→
反应条件
1245-15-4
栎精-3,7,3’,4’-四甲醚
反应条件
1: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 2: 97 percent / K2CO3 / acetone / 2 h / Heating 3: 86 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.5 h / 0 - 20 °C 4: 96 percent / K2CO3 / acetone / 1 h / Heating 5: 99 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C View Scheme
参考文献
Tetrahedron, , vol. 60, # 11 p. 2647 - 2655
76650-20-9
→
反应条件
1178-24-1
3,5,6,7,8,3',4'-七甲氧基黄酮
反应条件
1: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 2: 65 percent / dimethyl dioxirane / acetone; CH2Cl2 / 1 h / 0 - 20 °C 3: 95 percent / K2CO3 / acetone / 6 h / Heating 4: 71 percent / I2; pyridine / 8 h / Heating 5: 94 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 6: 90 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C 7: 87 percent / K2CO3 / acetone; CH2Cl2 / 6 h / Heating 8: 80 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.17 h / 0 - 20 °C 9: 97 percent / K2CO3 / acetone / 1 h / Heating View Scheme
参考文献
Tetrahedron, , vol. 60, # 11 p. 2647 - 2655
76650-20-9
→
反应条件
1247-97-8
栎精-3,5,7,3,4-五甲醚
反应条件
1: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C 2: 97 percent / K2CO3 / acetone / 2 h / Heating 3: 86 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.5 h / 0 - 20 °C 4: 96 percent / K2CO3 / acetone / 1 h / Heating View Scheme
参考文献
Chu, Han-Wei; Wu, Huan-Ting; Lee, Yean-Jang
Tetrahedron, 2004 , vol. 60, # 11 p. 2647 - 2655
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