3,4-二氢吡喃2-羧酸钠合成路线 (共 10 条)
反应条件
sodium hydroxide; (+)-dehydroabietylamine Yield given. Multistep reaction;
参考文献
Tetrahedron, , vol. 46, # 5 p. 1503 - 1514
反应条件
lithium aluminium tetrahydride in tetrahydrofuran 0.5 h; Ambient temperature;
参考文献
Nugiel; Cornelius; Corbett
Journal of Organic Chemistry, 1997 , vol. 62, # 1 p. 201 - 203
反应条件
hydrogen; palladium on activated charcoal in ethanol; water Catalytic hydrogenation; P=2068.59 Torr; 3 h;
参考文献
Alvarez-Wright, Maria Teresa; Satici, Hikmet; Eliel, Ernest L.; White, Peter S.
Journal of the Indian Chemical Society, 1999 , vol. 76, # 11-12 p. 617 - 629
反应条件
caesium carbonate in N,N-dimethyl-formamide T=25°C; 24 h;
参考文献
Hsieh, Hsing-Pang; Wu, Ying-Ta; Chen, Shui-Tein; Wang, Kung-Tsung
Chemical Communications, 1998 , # 6 p. 649 - 650
反应条件
1: 98 percent / H2 / 10percent Pd/C / methanol / 24 h 2: 78 percent / hexamethylphosphoric acid triamide / Ambient temperature View Scheme
参考文献
Tetrahedron, , vol. 48, # 29 p. 6161 - 6174
反应条件
sodium hydroxide; (+)-dehydroabietylamine Yield given. Multistep reaction;
参考文献
Tetrahedron, , vol. 46, # 5 p. 1503 - 1514
反应条件
1: 62 percent / tetrahydrofuran; hexamethylphosphoric acid triamide / 14 h / Heating
2: 2) H2SO4 / 1.) THF, Et2O, -78 deg C -> 20 deg C, 1 h; 20 deg C, 1.5 h, 2.) Et2O, 5 h
View Scheme
参考文献
Copp, Richard R.; Mundy, Bradford P.
Synthetic Communications, 1989 , vol. 19, # 16 p. 2851 - 2858
反应条件
in N,N-dimethyl-formamide
参考文献
Ibrahim; Eggimann; Dixon; Wieser
Tetrahedron, 1990 , vol. 46, # 5 p. 1503 - 1514
反应条件
1: Na2CO3, hydroquinone / dimethylformamide / 4.5 h / 100 °C
2: conc. aq. NH4OH / 0.75 h / 100 °C
3: lithium aluminum hydride / diethyl ether / Ambient temperature
View Scheme
参考文献
Krstenansky; Del Rosario-Chow; Currie
Journal of Heterocyclic Chemistry, 1992 , vol. 29, # 4 p. 707 - 711
反应条件
2: NH3 / H2O
View Scheme
参考文献
Krstenansky; Del Rosario-Chow; Currie
Journal of Heterocyclic Chemistry, 1992 , vol. 29, # 4 p. 707 - 711