2-(3,4-二甲氧基苯基)-3,5,6,7-四甲氧基-4H-苯并吡喃-4-酮合成路线 （共 8 条）
反应条件
hydrogenchloride; ethanol T=80°C; 18 - 70 h; Heating / reflux; Product distribution / selectivity;
参考文献
FIRMENICH SA
Patent: WO2007/83263 A1, 2007 ;
Location in patent: Page/Page column 7 ;
反应条件
hydrogenchloride; ethanol T=80°C; 18 - 70 h; Heating / reflux; Product distribution / selectivity;
参考文献
WO2007/83263 A1, ;
Page/Page column 6-8 ;
反应条件
hydrogenchloride; ethanol T=80°C; 18 - 70 h; Heating / reflux; Product distribution / selectivity;
参考文献
WO2007/83263 A1, ;
Page/Page column 6-8 ;
反应条件
hydrogenchloride; ethanol T=80°C; 18 - 70 h; Heating / reflux; Product distribution / selectivity;
参考文献
WO2007/83263 A1, ;
Page/Page column 6-8 ;
反应条件
hydrogenchloride; ethanol
T=80°C; 18 - 70 h; Heating / reflux; Product distribution / selectivity;
参考文献
FIRMENICH SA
Patent: WO2007/83263 A1, 2007 ;
Location in patent: Page/Page column 7 ;
反应条件
aluminum tri-bromide in acetonitrile
T=0 - 5°C; 0.333333 h;
参考文献
Horie, Tokunaru; Kawamura, Yasuhiko; Tsukayama, Masao; Yoshizaki, Shiro
Chemical and Pharmaceutical Bulletin, 1989 , vol. 37, # 5 p. 1216 - 1220
反应条件
hydrogenchloride; ethanol
T=80°C; 18 - 70 h; Heating / reflux; Product distribution / selectivity;
参考文献
FIRMENICH SA
Patent: WO2007/83263 A1, 2007 ;
Location in patent: Page/Page column 7 ;
反应条件
1: 95 percent / AlBr3 / acetonitrile / 0.33 h / 0 - 5 °C
2: 95 percent / K2CO3 / acetone / Heating
3: 91 percent / AlBr3 / acetonitrile / 1 h / Ambient temperature
4: 88 percent / K2CO3 / methanol / 2 h / Heating
View Scheme
参考文献
Horie, Tokunaru; Kawamura, Yasuhiko; Tsukayama, Masao; Yoshizaki, Shiro
Chemical and Pharmaceutical Bulletin, 1989 , vol. 37, # 5 p. 1216 - 1220
