6-(3,4-亚甲二氧基苯基)-2H-吡喃-2-酮合成路线 (共 20 条)
反应条件
1.1: magnesium / diethyl ether
1.2: 74 percent / diethyl ether / 0 - 20 °C
2.1: 77 percent / chromium(VI) oxide; Celite / pyridine / 8 h / 20 °C
3.1: 73 percent / p-toluenesulfonic acid monohydrate; trimethyl orthoformate / 12 h / 20 °C
4.1: 82 percent / EtAlCl2 / CH2Cl2 / 1 h / -78 - 20 °C
5.1: 71 percent / methyltrioctylammonium chloride; KMnO4 / benzene; H2O / 1.5 h / 0 - 45 °C
6.1: 67 percent / acetic anhydride / 8 h / Heating
7.1: 94 percent / DDQ / dioxane / 5 h / Heating
View Scheme
参考文献
Gong, Young Dae; Tanaka, Hiroko; Iwasawa, Nobuharu; Narasaka, Koichi
Bulletin of the Chemical Society of Japan, 1998 , vol. 71, # 9 p. 2181 - 2185
反应条件
1: 73 percent / p-toluenesulfonic acid monohydrate; trimethyl orthoformate / 12 h / 20 °C
2: 82 percent / EtAlCl2 / CH2Cl2 / 1 h / -78 - 20 °C
3: 71 percent / methyltrioctylammonium chloride; KMnO4 / benzene; H2O / 1.5 h / 0 - 45 °C
4: 67 percent / acetic anhydride / 8 h / Heating
5: 94 percent / DDQ / dioxane / 5 h / Heating
View Scheme
参考文献
Gong, Young Dae; Tanaka, Hiroko; Iwasawa, Nobuharu; Narasaka, Koichi
Bulletin of the Chemical Society of Japan, 1998 , vol. 71, # 9 p. 2181 - 2185
反应条件
1: 71 percent / methyltrioctylammonium chloride; KMnO4 / benzene; H2O / 1.5 h / 0 - 45 °C
2: 67 percent / acetic anhydride / 8 h / Heating
3: 94 percent / DDQ / dioxane / 5 h / Heating
View Scheme
参考文献
Gong, Young Dae; Tanaka, Hiroko; Iwasawa, Nobuharu; Narasaka, Koichi
Bulletin of the Chemical Society of Japan, 1998 , vol. 71, # 9 p. 2181 - 2185
反应条件
1: 67 percent / acetic anhydride / 8 h / Heating
2: 94 percent / DDQ / dioxane / 5 h / Heating
View Scheme
参考文献
Gong, Young Dae; Tanaka, Hiroko; Iwasawa, Nobuharu; Narasaka, Koichi
Bulletin of the Chemical Society of Japan, 1998 , vol. 71, # 9 p. 2181 - 2185
反应条件
1: 77 percent / chromium(VI) oxide; Celite / pyridine / 8 h / 20 °C
2: 73 percent / p-toluenesulfonic acid monohydrate; trimethyl orthoformate / 12 h / 20 °C
3: 82 percent / EtAlCl2 / CH2Cl2 / 1 h / -78 - 20 °C
4: 71 percent / methyltrioctylammonium chloride; KMnO4 / benzene; H2O / 1.5 h / 0 - 45 °C
5: 67 percent / acetic anhydride / 8 h / Heating
6: 94 percent / DDQ / dioxane / 5 h / Heating
View Scheme
参考文献
Gong, Young Dae; Tanaka, Hiroko; Iwasawa, Nobuharu; Narasaka, Koichi
Bulletin of the Chemical Society of Japan, 1998 , vol. 71, # 9 p. 2181 - 2185
反应条件
1: 82 percent / EtAlCl2 / CH2Cl2 / 1 h / -78 - 20 °C
2: 71 percent / methyltrioctylammonium chloride; KMnO4 / benzene; H2O / 1.5 h / 0 - 45 °C
3: 67 percent / acetic anhydride / 8 h / Heating
4: 94 percent / DDQ / dioxane / 5 h / Heating
View Scheme
参考文献
Gong, Young Dae; Tanaka, Hiroko; Iwasawa, Nobuharu; Narasaka, Koichi
Bulletin of the Chemical Society of Japan, 1998 , vol. 71, # 9 p. 2181 - 2185
反应条件
hydrogenchloride; acetic acid
参考文献
Julia,M.; Bullot,J.
Bulletin de la Societe Chimique de France, 1960 , p. 23 - 28
Full Text Show Details
Julia; Bullot
Bulletin de la Societe Chimique de France, 1959 , p. 1689
Bulletin de la Societe Chimique de France, 1960 , p. 23,26
反应条件
hydrogenchloride; acetic acid
参考文献
Julia,M.; Bullot,J.
Bulletin de la Societe Chimique de France, 1960 , p. 23 - 28
Full Text Show Details
Julia; Bullot
Bulletin de la Societe Chimique de France, 1959 , p. 1689
Bulletin de la Societe Chimique de France, 1960 , p. 23,26
参考文献
Julia; Bullot
Bulletin de la Societe Chimique de France, 1959 , p. 1689
Bulletin de la Societe Chimique de France, 1960 , p. 23,26
参考文献
Jobst; Hesse
Justus Liebigs Annalen der Chemie, 1879 , vol. 199, p. 20,21
Full Text Show Details
Ciamician; Silber
Gazzetta Chimica Italiana, 1893 , vol. 23 II, p. 195,202
Gazzetta Chimica Italiana, 1894 , vol. 24 I, p. 431,541