2,5-二甲氧基-2,5-二氢呋喃合成路线 （共 35 条）
反应条件
sulfuric acid anschliessend Behandeln mit N2H4+H2O;
参考文献
Letsinger; Lasco
Journal of Organic Chemistry, 1956 , vol. 21, p. 764
反应条件
trimethylsilyl bromide in dichloromethane T=20°C;
参考文献
Garzelli; Samaritani; Malanga
Tetrahedron, 2008 , vol. 64, # 19 p. 4183 - 4186
参考文献
McDonald,E. et al.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1979 , p. 1893 - 1900
反应条件
(i) aq. HCl, (ii) /BRN= 610130/, MeOH; Multistep reaction;
参考文献
Geibel,K.; Maeder,H.
Chemische Berichte, 1970 , vol. 103, p. 1645 - 1651
反应条件
1: methanol; 2,5-bis(methoxy)-2,5-dihydrofuran; trimethyl orthoformate With toluene-4-sulfonic acid P=760.051 Torr; 2: potassium methanolate With Pluriol E400 T=100 - 130°C; Product distribution / selectivity;
参考文献
WO2006/108664 A1, ;
Page/Page column 10-12 ;
反应条件
1: With hydrogenchloride in water T=20°C; 1.5 h; 2: With sodium carbonate in water pH=8 - 9; 3: With hydrogen; palladium on activated carbon in ethanol; water 0.583333 h;
参考文献
UCB, S.A.
Patent: WO2005/28435 A1, 2005 ;
Location in patent: Page/Page column 10 ;
反应条件
1: 90 percent / chlorohydro(carbonyl)tris(triphenylphosphine)ruthenium HRuCl(CO)(PPh3)3 / 12 h / 150 °C 2: 100 percent / acetic acid / methanol; H2O / 0.5 h / 70 °C View Scheme
参考文献
Hirai, Kenji; Suzuki, Hiroharu; Kashiwagi, Hiroshi; Moro-Oka, Yoshihiko; Ikawa, Tsuneo
Chemistry Letters, 1982 , p. 23 - 26
反应条件
acetic acid Heating;
参考文献
Fontaine, Helene; Baussanne, Isabelle; Royer, Jacques
Synthetic Communications, 1997 , vol. 27, # 16 p. 2817 - 2824
反应条件
acetic acid 0.5 h; Heating;
参考文献
Baussanne, Isabelle; Chiaroni, Angele; Husson, Henri-Philippe; Riche, Claude; Royer, Jacques
Tetrahedron Letters, 1994 , vol. 35, # 23 p. 3931 - 3934
反应条件
hydrogenchloride 3 h; Ambient temperature;
参考文献
Baussanne, Isabelle; Chiaroni, Angele; Husson, Henri-Philippe; Riche, Claude; Royer, Jacques
Tetrahedron Letters, 1994 , vol. 35, # 23 p. 3931 - 3934
