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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
81396-37-4
合成路线
(共 8 条)
81396-36-3
→
反应条件
81396-37-4
反应条件
hydrazine hydrate in ethanol; diethylene glycol 72 h; Heating;
参考文献
Krebs, Adolf; Kaletta, Bernd; Nickel, Wolf-Ulrich; Rueger, Wolfgang; Tikwe, Liane
Tetrahedron, 1986 , vol. 42, # 6 p. 1693 - 1702
31934-42-6
→
反应条件
81396-37-4
反应条件
1: 78 percent / Li(t-BuO)3AlH / tetrahydrofuran / 3 h / Ambient temperature 3: 73 percent / 5 h / 220 °C 4: 87 percent / hydrazine hydrate / ethanol; bis-(2-hydroxy-ethyl) ether / 72 h / Heating View Scheme
参考文献
Krebs, Adolf; Kaletta, Bernd; Nickel, Wolf-Ulrich; Rueger, Wolfgang; Tikwe, Liane
Tetrahedron, 1986 , vol. 42, # 6 p. 1693 - 1702
81396-35-2
→
反应条件
81396-37-4
反应条件
2: 73 percent / 5 h / 220 °C 3: 87 percent / hydrazine hydrate / ethanol; bis-(2-hydroxy-ethyl) ether / 72 h / Heating View Scheme
参考文献
Krebs, Adolf; Kaletta, Bernd; Nickel, Wolf-Ulrich; Rueger, Wolfgang; Tikwe, Liane
Tetrahedron, 1986 , vol. 42, # 6 p. 1693 - 1702
17346-16-6
2,4-二溴-2,4-二甲基-3-戊酮
→
反应条件
81396-37-4
反应条件
2: 75 percent / hydrazine hydrate / bis-(2-hydroxy-ethyl) ether; ethanol / 120 h / Heating View Scheme
参考文献
Cullen, E. R.; Guziec, F. S.; Murphy, C. J.
Journal of Organic Chemistry, 1982 , vol. 47, # 18 p. 3563 - 3566
82338-37-2
→
反应条件
81396-37-4
反应条件
1: 80 percent / Na/diethylene glycol / 130 - 160 °C / 20 Torr 2: 75 percent / hydrazine hydrate / bis-(2-hydroxy-ethyl) ether; ethanol / 120 h / Heating View Scheme
参考文献
Cullen, E. R.; Guziec, F. S.; Murphy, C. J.
Journal of Organic Chemistry, 1982 , vol. 47, # 18 p. 3563 - 3566
108437-10-1
→
反应条件
81396-37-4
反应条件
1: 73 percent / 5 h / 220 °C 2: 87 percent / hydrazine hydrate / ethanol; bis-(2-hydroxy-ethyl) ether / 72 h / Heating View Scheme
参考文献
Krebs, Adolf; Kaletta, Bernd; Nickel, Wolf-Ulrich; Rueger, Wolfgang; Tikwe, Liane
Tetrahedron, 1986 , vol. 42, # 6 p. 1693 - 1702
81396-37-4
→
反应条件
81396-39-6
反应条件
disulfur dichloride; triethylamine in Petroleum ether 4 h;
参考文献
Krebs, Adolf; Kaletta, Bernd; Nickel, Wolf-Ulrich; Rueger, Wolfgang; Tikwe, Liane
Tetrahedron, 1986 , vol. 42, # 6 p. 1693 - 1702
81396-37-4
→
反应条件
89046-70-8
反应条件
1: 69 percent / Et3N, S2Cl2 / petroleum ether / 4 h 2: 83 percent / petroleum ether / 3 h / 0 °C 3: 79 percent / 0.5 h / 140 °C 4: 1.) (n-Bu)3P 2.) MeI / 1.) 140 deg C 2.) petroleum ether (60-70 deg C) 5: 57 percent / tetracyanoethylene, ozone / ethyl acetate / 0.5 h / -78 °C View Scheme
参考文献
Krebs, Adolf; Kaletta, Bernd; Nickel, Wolf-Ulrich; Rueger, Wolfgang; Tikwe, Liane
Tetrahedron, 1986 , vol. 42, # 6 p. 1693 - 1702