反应条件
1: toluene-4-sulfonic acid / toluene / 56 h / |Reflux
2: sodium hydroxide / methanol / 1 h / 20 °C
3: titanium(III) chloride; hydrogenchloride / water; tetrahydrofuran; dichloromethane / 1 h / 0 °C
4: 4-(N,N-dimethlyamino)pyridine; triethylamine / toluene / 3 h / 20 °C
5: sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride / water; tetrahydrofuran / 1 h / 20 °C
View Scheme
参考文献
Andresen, Brian M.; Couturier, Michel; Cronin, Brian; D'Occhio, Michael; Ewing, Marcus D.; Guinn, Mark; Hawkins, Joel M.; Jasys, V. John; LaGreca, Susan D.; Lyssikatos, Joseph P.; Moraski, Garrett; Ng, Karl; Raggon, Jeffrey W.; Stewart, A. Morgan; Tickner, Derek L.; Tucker, John L.; Urban, Frank J.; Vazquez, Enrique; Wei, Lulin
Organic Process Research and Development, 2004 , vol. 8, # 4 p. 643 - 650