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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
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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
173775-54-7
合成路线
(共 9 条)
331731-26-1
→
反应条件
173775-54-7
反应条件
lithium hydroxide in water; tert-butyl alcohol T=0°C; 0.5 h;
参考文献
Boger; Seong Heon Kim; Mori; Weng; Rogel; Castle; McAtee
Journal of the American Chemical Society, 2001 , vol. 123, # 9 p. 1862 - 1871
15017-52-4
4-氟-3-硝基溴苄
→
反应条件
173775-54-7
反应条件
1: 80 percent / n-BuLi; CuCN 2: 87 percent / TFA 3: 82 percent / NaHCO3 / CH2Cl2 / 16 h / 25 °C 4: 100 percent / LiOH*H2O / H2O; 2-methyl-propan-2-ol / 0.5 h / 0 °C View Scheme
参考文献
Boger; Seong Heon Kim; Mori; Weng; Rogel; Castle; McAtee
Journal of the American Chemical Society, 2001 , vol. 123, # 9 p. 1862 - 1871
169825-21-2
→
反应条件
173775-54-7
反应条件
1: 82 percent / NaHCO3 / CH2Cl2 / 16 h / 25 °C 2: 100 percent / LiOH*H2O / H2O; 2-methyl-propan-2-ol / 0.5 h / 0 °C View Scheme
参考文献
Boger; Seong Heon Kim; Mori; Weng; Rogel; Castle; McAtee
Journal of the American Chemical Society, 2001 , vol. 123, # 9 p. 1862 - 1871
169825-20-1
→
反应条件
173775-54-7
反应条件
1: 87 percent / TFA 2: 82 percent / NaHCO3 / CH2Cl2 / 16 h / 25 °C 3: 100 percent / LiOH*H2O / H2O; 2-methyl-propan-2-ol / 0.5 h / 0 °C View Scheme
参考文献
Boger; Seong Heon Kim; Mori; Weng; Rogel; Castle; McAtee
Journal of the American Chemical Society, 2001 , vol. 123, # 9 p. 1862 - 1871
20274-69-5
4-氟-3-硝基苄醇
→
反应条件
173775-54-7
反应条件
1: PBr3 / diethyl ether 2: 80 percent / N-benzylcinchoninium bromide, 50 percent aq. NaOH 3: methanolic HCl 4: SOCl2 5: NaHCO3 / tetrahydrofuran 6: K2CO3 / methanol; H2O View Scheme
参考文献
Rama Rao; Laxma Reddy; Srinivasa Rao; Vittal; Reddy; Pathi
Tetrahedron Letters, 1996 , vol. 37, # 17 p. 3023 - 3026
42564-51-2
4-氟-3-硝基苯甲醛
→
反应条件
173775-54-7
反应条件
1: NaBH4 / methanol 2: PBr3 / diethyl ether 3: 80 percent / N-benzylcinchoninium bromide, 50 percent aq. NaOH 4: methanolic HCl 5: SOCl2 6: NaHCO3 / tetrahydrofuran 7: K2CO3 / methanol; H2O View Scheme
参考文献
Rama Rao; Laxma Reddy; Srinivasa Rao; Vittal; Reddy; Pathi
Tetrahedron Letters, 1996 , vol. 37, # 17 p. 3023 - 3026
459-57-4
对氟苯甲醛
→
反应条件
173775-54-7
反应条件
1: fuming HNO3, H2SO4 / 0 °C 2: NaBH4 / methanol 3: PBr3 / diethyl ether 4: 80 percent / N-benzylcinchoninium bromide, 50 percent aq. NaOH 5: methanolic HCl 6: SOCl2 7: NaHCO3 / tetrahydrofuran 8: K2CO3 / methanol; H2O View Scheme
参考文献
Rama Rao; Laxma Reddy; Srinivasa Rao; Vittal; Reddy; Pathi
Tetrahedron Letters, 1996 , vol. 37, # 17 p. 3023 - 3026
178217-05-5
→
反应条件
173775-54-7
反应条件
1: methanolic HCl 2: SOCl2 3: NaHCO3 / tetrahydrofuran 4: K2CO3 / methanol; H2O View Scheme
参考文献
Rama Rao; Laxma Reddy; Srinivasa Rao; Vittal; Reddy; Pathi
Tetrahedron Letters, 1996 , vol. 37, # 17 p. 3023 - 3026
24424-99-5
二碳酸二叔丁酯
→
反应条件
173775-54-7
反应条件
sodium carbonate in 1,4-dioxane 3 h; Ambient temperature; Yield given;
参考文献
Vergne, Caroline; Bois-Choussy, Michele; Ouazzani, Jamal; Beugelmans, Rene;; Zhu, Jieping
Tetrahedron Asymmetry, 1997 , vol. 8, # 3 p. 391 - 398