1,3-二氧代-2-苯并呋喃-5-磺酸合成路线 (共 8 条)
反应条件
sulfur trioxide T=140°C;
参考文献
Hennige, Hans; Kreher, Richard P.; Konrad, Michael; Jelitto, Frank
Chemische Berichte, 1988 , vol. 121, p. 243 - 252
参考文献
Waldmann; Schwenk
Justus Liebigs Annalen der Chemie, 1931 , vol. 487, p. 287,290
反应条件
1: NaOH / 2.5 h / 175 °C 2: 53 percent / K2CO3 / 2 h / 90 °C View Scheme
参考文献
Chemische Berichte, , vol. 121, p. 243 - 252
反应条件
1: NaOH / 2.5 h / 175 °C 2: 53 percent / K2CO3 / 2 h / 90 °C 3: 0.25 h / 170 °C View Scheme
参考文献
Hennige, Hans; Kreher, Richard P.; Konrad, Michael; Jelitto, Frank
Chemische Berichte, 1988 , vol. 121, p. 243 - 252
反应条件
1: NaOH / 2.5 h / 175 °C 2: 53 percent / K2CO3 / 2 h / 90 °C 3: 0.25 h / 170 °C 4: 60 percent / formamide / 2.5 h / Heating 5: 40 percent / Sn/HCl / ethanol / 12 h / Heating View Scheme
参考文献
Hennige, Hans; Kreher, Richard P.; Konrad, Michael; Jelitto, Frank
Chemische Berichte, 1988 , vol. 121, p. 243 - 252
反应条件
T=130°C; Erhitzen des Natrium-Salzes der erhaltenen Saeure mit Schwefeltrioxid enthaltender Schwefelsaeure auf 120grad;
参考文献
Schwenk; Waldmann
Angewandte Chemie, 1932 , vol. 45, p. 17,20
反应条件
sodium hydroxide T=175°C; 2.5 h; Yield given;
参考文献
Chemische Berichte, , vol. 121, p. 243 - 252
反应条件
1: NaOH / 2.5 h / 175 °C
2: 53 percent / K2CO3 / 2 h / 90 °C
3: 0.25 h / 170 °C
4: 60 percent / formamide / 2.5 h / Heating
View Scheme
参考文献
Hennige, Hans; Kreher, Richard P.; Konrad, Michael; Jelitto, Frank
Chemische Berichte, 1988 , vol. 121, p. 243 - 252