2-D-溴化吡喃葡糖-四苄酯合成路线 （共 64 条）
反应条件
1: pyridine / 24.5 h / 0 - 20 °C 2: hydrogen bromide; acetic anhydride; acetic acid / dichloromethane / 24 h / 34 °C View Scheme
参考文献
Molecules, , vol. 16, # 5 p. 3580 - 3596
反应条件
1: With pyridine in chloroform 24 h; 2: With hydrogen bromide in dichloromethane; acetic acid 3 h;
参考文献
Bioscience, biotechnology, and biochemistry, , vol. 65, # 12 p. 2719 - 2729
反应条件
hexamethyl-silane; iodine; zinc dibromide in dichloromethane
参考文献
Carbohydrate Research, , vol. 343, # 8 p. 1297 - 1308
反应条件
1: 66 percent / silver triflate, 2,4,6-collidine / toluene; nitromethane / 0.17 h / -20 °C 2: 1.) 90 percent aqu. acetic acid, 2.) 0.2 M sodium methoxide / 1.) reflux, 25 min, 2.) methanol, 3 h, room temperature View Scheme
参考文献
Ekborg, Goeran; Glaudemans, Cornelis P. J.
Carbohydrate Research, 1984 , vol. 134, p. 83 - 88
反应条件
1: 61 percent / silver triflate, 2,4,6-collidine / toluene; nitromethane / 0.25 h / -25 °C 2: 1.) 90 percent aqu. acetic acid, 2.) 0.2 M sodium methoxide / 1.) reflux, 30 min, 2.) methanol, 3 h, room temperature View Scheme
参考文献
Ekborg, Goeran; Glaudemans, Cornelis P. J.
Carbohydrate Research, 1984 , vol. 134, p. 83 - 88
反应条件
1: 58 percent / nitromethane / 20 °C 2: 94 percent / HBr; acetic acid / 20 °C 3: 89 percent / Br2 / CHCl3 / Heating; irradiation 4: 79 percent / S8 / nitromethane / 80 °C 5: 92 percent / NaOMe; MeOH / Heating View Scheme
参考文献
Somsak, L.Aszlo; Nagy, Veronika; Docsa, Tibor; Toth, B.Ela; Gergely, P.Al
Tetrahedron Asymmetry, 2000 , vol. 11, # 2 p. 405 - 408
反应条件
in nitromethane T=20°C; Substitution;
参考文献
Somsak, L.Aszlo; Nagy, Veronika; Docsa, Tibor; Toth, B.Ela; Gergely, P.Al
Tetrahedron Asymmetry, 2000 , vol. 11, # 2 p. 405 - 408
反应条件
in nitromethane T=20°C; cyanation; 48 h;
参考文献
Somsak, L.Aszlo; Nagy, Veronika
Tetrahedron Asymmetry, 2000 , vol. 11, # 8 p. 1719 - 1727
反应条件
1: AgOTf; tetramethylurea / CH2Cl2 / 12 h / -20 °C 2: 50 mg / NH3 / methanol / 24 h / 20 °C View Scheme
参考文献
Ma; Mizutani; Hiratake; Hayashi; Yagi; Watanabe; Sakata
Bioscience, biotechnology, and biochemistry, 2001 , vol. 65, # 12 p. 2719 - 2729
反应条件
1: 73 percent / mol sieves 4A, AgOTf / CH2Cl2; toluene / 4 h / -20 °C 2: 86 percent / NaOMe / methanol; CH2Cl2 / 6 h / Heating 3: 89 percent / CSA / dimethylformamide / 3 h / 40 °C 4: imidazole / dimethylformamide / 3 h / 40 - 50 °C 5: 100 percent / mol. sieves 4A, BF3*Et2O / CH2Cl2 / 3 h / Ambient temperature 6: 84 percent / nBu4NF / tetrahydrofuran / 5.5 h / Ambient temperature 7: 77 percent / 80percent AcOH / 2 h / 70 °C View Scheme
参考文献
Li, Chuan; Yu, Biao; Liu, Meizheng; Hui, Yongzheng
Carbohydrate Research, 1998 , vol. 306, # 1-2 p. 189 - 195
