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结构式
乙二醇
甲醛
63148-62-9
MDI
丁酮
二甲基亚砜
碳酸氢钠
471-34-1
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乙二醇
甲醛
63148-62-9
MDI
丁酮
二甲基亚砜
碳酸氢钠
471-34-1
3-溴吡啶-4-醛
合成路线
（共 20 条）
70201-43-3
3-溴吡啶-4-醛
→
反应条件
253-50-9
2,6-萘啶
反应条件
1: 42 percent / Et3N / Pd(PPh3)2Cl2, CuI / dimethylformamide / 2 h / Ambient temperature 2: 92 percent / NH3 / ethanol / 2 h / 80 °C View Scheme
参考文献
Numata, Atsushi; Kondo, Yoshinori; Sakamoto, Takao
Synthesis, 1999 , # 2 p. 306 - 311
70201-43-3
3-溴吡啶-4-醛
+
5188-07-8
甲硫醇钠
→
反应条件
650628-88-9
3-(甲硫基)异烟醛
反应条件
in methanol
参考文献
Roy, Patrick J.; Dufresne, Claude; Lachance, Nicolas; Leclerc, Jean-Philippe; Boisvert, Michel; Wang, Zhaoyin; Leblanc, Yves
Synthesis, 2005 , # 16 art. no. M03305SS, p. 2751 - 2757
70201-43-3
3-溴吡啶-4-醛
→
反应条件
870235-32-8
反应条件
1: 19 percent / NaOMe / methanol / 40 h / 0 °C 2: 44 percent / decahydronaphthalene / 0.17 h / 191 °C View Scheme
参考文献
Roy, Patrick J.; Dufresne, Claude; Lachance, Nicolas; Leclerc, Jean-Philippe; Boisvert, Michel; Wang, Zhaoyin; Leblanc, Yves
Synthesis, 2005 , # 16 art. no. M03305SS, p. 2751 - 2757
70201-43-3
3-溴吡啶-4-醛
+
32021-35-5
→
反应条件
88911-61-9
反应条件
in tetrahydrofuran T=25°C;
参考文献
Corey; Pyne; Schafer
Tetrahedron Letters, 1983 , vol. 24, # 32 p. 3291 - 3294
70201-43-3
3-溴吡啶-4-醛
→
反应条件
88911-62-0
反应条件
1: 89 percent / tetrahydrofuran / 25 °C 2: 90 percent / NaBH4 / ethanol / 1 h / -30 °C View Scheme
参考文献
Corey; Pyne; Schafer
Tetrahedron Letters, 1983 , vol. 24, # 32 p. 3291 - 3294
70201-43-3
3-溴吡啶-4-醛
→
反应条件
88911-67-5
反应条件
1: 89 percent / tetrahydrofuran / 25 °C 2: 90 percent / NaBH4 / ethanol / 1 h / -30 °C 4: n-BuLi / tetrahydrofuran / 0.5 h / -78 °C 5: 1.) CuCN / 1.) -78 deg C, 1 h 2.) - 78 deg C, 1 h and -45 deg C, 14 h 6: 87 percent / MeOH, p-TsOH / 12 h / 25 °C 7: 83 percent / hydrogen / 5percent Pd-CaCO3 / benzene / 25 °C / 760 Torr / cat. 10percent by weight 8: hydrogen / ethyl acetate / 25 °C / 760 Torr / cat. 50percent by weight View Scheme
参考文献
Corey; Pyne; Schafer
Tetrahedron Letters, 1983 , vol. 24, # 32 p. 3291 - 3294
70201-43-3
3-溴吡啶-4-醛
→
反应条件
88911-68-6
反应条件
1: 89 percent / tetrahydrofuran / 25 °C 2: 90 percent / NaBH4 / ethanol / 1 h / -30 °C 4: n-BuLi / tetrahydrofuran / 0.5 h / -78 °C 5: 1.) CuCN / 1.) -78 deg C, 1 h 2.) - 78 deg C, 1 h and -45 deg C, 14 h 6: 87 percent / MeOH, p-TsOH / 12 h / 25 °C 7: 83 percent / hydrogen / 5percent Pd-CaCO3 / benzene / 25 °C / 760 Torr / cat. 10percent by weight 8: hydrogen / ethyl acetate / 25 °C / 760 Torr / cat. 50percent by weight View Scheme
参考文献
Corey; Pyne; Schafer
Tetrahedron Letters, 1983 , vol. 24, # 32 p. 3291 - 3294
70201-43-3
3-溴吡啶-4-醛
→
反应条件
88911-70-0
反应条件
1: 89 percent / tetrahydrofuran / 25 °C 2: 90 percent / NaBH4 / ethanol / 1 h / -30 °C 4: n-BuLi / tetrahydrofuran / 0.5 h / -78 °C 5: 1.) CuCN / 1.) -78 deg C, 1 h 2.) - 78 deg C, 1 h and -45 deg C, 14 h 6: 87 percent / MeOH, p-TsOH / 12 h / 25 °C 7: 83 percent / hydrogen / 5percent Pd-CaCO3 / benzene / 25 °C / 760 Torr / cat. 10percent by weight 8: NaOH / aq. ethanol / 25 °C View Scheme
参考文献
Corey; Pyne; Schafer
Tetrahedron Letters, 1983 , vol. 24, # 32 p. 3291 - 3294
70201-43-3
3-溴吡啶-4-醛
→
反应条件
88911-71-1
反应条件
1: 89 percent / tetrahydrofuran / 25 °C 2: 90 percent / NaBH4 / ethanol / 1 h / -30 °C 4: n-BuLi / tetrahydrofuran / 0.5 h / -78 °C 5: 1.) CuCN / 1.) -78 deg C, 1 h 2.) - 78 deg C, 1 h and -45 deg C, 14 h 6: 87 percent / MeOH, p-TsOH / 12 h / 25 °C 7: 83 percent / hydrogen / 5percent Pd-CaCO3 / benzene / 25 °C / 760 Torr / cat. 10percent by weight 8: NaOH / aq. ethanol / 25 °C View Scheme
参考文献
Corey; Pyne; Schafer
Tetrahedron Letters, 1983 , vol. 24, # 32 p. 3291 - 3294
→
反应条件
919293-07-5
反应条件
sodium carbonate; tetrakis(triphenylphosphine) palladium(0) in 1,4-dioxane; water 2 h; Heating / reflux;
参考文献
MERCK and CO., INC.
Patent: WO2007/8502 A2, 2007 ;
Location in patent: Page/Page column 59 ;
WO 2007/008502 A2
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