5-羟基-3',4',6,7-四甲氧基黄酮合成路线 （共 15 条）
反应条件
1: 90 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C 2: 87 percent / K2CO3 / acetone; CH2Cl2 / 6 h / Heating View Scheme
参考文献
Tetrahedron, , vol. 60, # 11 p. 2647 - 2655
反应条件
1: 90 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C 2: 87 percent / K2CO3 / acetone; CH2Cl2 / 6 h / Heating 3: 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
反应条件
1: 90 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C 2: 87 percent / K2CO3 / acetone; CH2Cl2 / 6 h / Heating 3: 80 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.17 h / 0 - 20 °C 4: 97 percent / K2CO3 / acetone / 1 h / Heating View Scheme
参考文献
Tetrahedron, , vol. 60, # 11 p. 2647 - 2655
反应条件
hydrogenchloride; ethanol
72 h; Heating / reflux; Product distribution / selectivity;
参考文献
FIRMENICH SA
Patent: WO2007/83263 A1, 2007 ;
Location in patent: Page/Page column 5 ;
反应条件
in methanol; diethyl ether
T=25°C; 1 h;
参考文献
Seo, Jeong-Min; Kang, Hyun-Mi; Son, Kwang-Hee; Kim, Jong Han; Lee, Chang Woo; Kim, Hwan Mook; Chang, Soo-Ik; Kwon, Byoung-Mog
Planta Medica, 2003 , vol. 69, # 3 p. 218 - 222
反应条件
1: 65 percent / dimethyl dioxirane / acetone; CH2Cl2 / 1 h / 0 - 20 °C
2: 95 percent / K2CO3 / acetone / 6 h / Heating
3: 71 percent / I2; pyridine / 8 h / Heating
4: 94 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C
View Scheme
参考文献
Chu, Han-Wei; Wu, Huan-Ting; Lee, Yean-Jang
Tetrahedron, 2004 , vol. 60, # 11 p. 2647 - 2655
反应条件
1: 71 percent / I2; pyridine / 8 h / Heating
2: 94 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C
View Scheme
参考文献
Chu, Han-Wei; Wu, Huan-Ting; Lee, Yean-Jang
Tetrahedron, 2004 , vol. 60, # 11 p. 2647 - 2655
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
View Scheme
参考文献
Chu, Han-Wei; Wu, Huan-Ting; Lee, Yean-Jang
Tetrahedron, 2004 , 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: 65 percent / dimethyl dioxirane / acetone; CH2Cl2 / 1 h / 0 - 20 °C
4: 95 percent / K2CO3 / acetone / 6 h / Heating
5: 71 percent / I2; pyridine / 8 h / Heating
6: 94 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C
View Scheme
参考文献
Chu, Han-Wei; Wu, Huan-Ting; Lee, Yean-Jang
Tetrahedron, 2004 , 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: 65 percent / dimethyl dioxirane / acetone; CH2Cl2 / 1 h / 0 - 20 °C
4: 95 percent / K2CO3 / acetone / 6 h / Heating
5: 71 percent / I2; pyridine / 8 h / Heating
6: 94 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C
View Scheme
参考文献
Chu, Han-Wei; Wu, Huan-Ting; Lee, Yean-Jang
Tetrahedron, 2004 , vol. 60, # 11 p. 2647 - 2655
