6-硝基苯并二氢吡喃-4-酮合成路线 （共 10 条）
反应条件
sulfuric acid; phosphorus pentoxide T=60°C; 3 h;
参考文献
WYETH
Patent: WO2005/37830 A1, 2005 ;
Location in patent: Page/Page column 18 ;
WO 2005/037830 A1
反应条件
anhydrous sodium hydrogen carbonate in nitric acid
反应条件
sulfuric acid; potassium nitrate T=0°C; 2 h;
参考文献
WO2006/104406 A1, ;
Page/Page column 148 ;
反应条件
1: aqueous KOH 2: phosphorus (V)-oxide; benzene View Scheme
参考文献
Journal of the Indian Chemical Society, , vol. 16, p. 639,644
反应条件
1: With hydrazine; nickel in ethanol T=20°C; 2: With hydrogenchloride in water 1 h; Heating / reflux; 3: With sodium hydrogencarbonate in water
参考文献
WYETH
Patent: WO2005/37830 A1, 2005 ;
Location in patent: Page/Page column 19 ;
WO 2005/037830 A1
反应条件
in tetrahydrofuran; hexane; water
参考文献
Rhone-Poulenc Rorer S.A.
Patent: US5563136 A1, 1996 ;
反应条件
perchloric acid; thallium(III) nitrate in methanol 7 h; Heating;
参考文献
Ciattini, Pier Giuseppe; Morera, Enrico; Ortar, Giorgio
Journal of Heterocyclic Chemistry, 1982 , vol. 19, p. 395 - 400
反应条件
perchloric acid; thallium(III) nitrate 7 h; Heating;
参考文献
Ciattini, Pier Giuseppe; Morera, Enrico; Ortar, Giorgio
Journal of Heterocyclic Chemistry, 1982 , vol. 19, p. 395 - 400
反应条件
thallium(III) nitrate 45 h; Ambient temperaturemethanol with perchloric acid as solvent, 5h room temp.; Product distributionMechanism;
参考文献
Ciattini, Pier Giuseppe; Morera, Enrico; Ortar, Giorgio
Journal of Heterocyclic Chemistry, 1982 , vol. 19, p. 395 - 400
反应条件
1: aqueous iron (II)-sulfate solution; iron-powder / Anschliessend Erwaermen mit wss. Ammoniak 2: acetic acid anhydride View Scheme
参考文献
Chyan; Chang
Yaoxue Xuebao, 1959 , vol. 7, p. 189,190
Chem.Abstr., 1960 , p. 5637
