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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
891-22-5
合成路线
（共 76 条）
17284-14-9
→
反应条件
891-22-5
反应条件
pyridine; hydrazine hydrate in ethanol 1 h; Heating;
参考文献
Schroth, Werner; Dunger, Simona; Billig, Frank; Spitzner, Roland; Herzschuh, Rainer; Vogt, Almut; Jende, Thomas; Israel, Gunter; Barche, Jens; Stroehl, Dieter; Sieler, Joachim
Tetrahedron, 1996 , vol. 52, # 39 p. 12677 - 12698
17589-28-5
→
反应条件
891-22-5
反应条件
pyridine; hydrazine hydrate in ethanol 1 h; Heating;
参考文献
Schroth, Werner; Dunger, Simona; Billig, Frank; Spitzner, Roland; Herzschuh, Rainer; Vogt, Almut; Jende, Thomas; Israel, Gunter; Barche, Jens; Stroehl, Dieter; Sieler, Joachim
Tetrahedron, 1996 , vol. 52, # 39 p. 12677 - 12698
16212-85-4
3,6-二苯基二噻英
→
反应条件
891-22-5
反应条件
1: NaBH4 / benzene; ethanol; H2O / Ambient temperature 2: hydrazine hydrate, pyridine / ethanol / 1 h / Heating View Scheme
参考文献
Schroth, Werner; Dunger, Simona; Billig, Frank; Spitzner, Roland; Herzschuh, Rainer; Vogt, Almut; Jende, Thomas; Israel, Gunter; Barche, Jens; Stroehl, Dieter; Sieler, Joachim
Tetrahedron, 1996 , vol. 52, # 39 p. 12677 - 12698
55373-68-7
→
反应条件
891-22-5
反应条件
1: 1.) n-BuLi, 2.) sulfur / 1.) Et2O, a) -10 deg C, 30 min, b) RT, 20 min, 2.) Et2O, RT, 2 h 2: NaBH4 / benzene; ethanol; H2O / Ambient temperature 3: hydrazine hydrate, pyridine / ethanol / 1 h / Heating View Scheme
参考文献
Schroth, Werner; Dunger, Simona; Billig, Frank; Spitzner, Roland; Herzschuh, Rainer; Vogt, Almut; Jende, Thomas; Israel, Gunter; Barche, Jens; Stroehl, Dieter; Sieler, Joachim
Tetrahedron, 1996 , vol. 52, # 39 p. 12677 - 12698
183211-01-0
→
反应条件
891-22-5
反应条件
1: 92 percent / trichloroethene; acetic acid / 6 h / 60 °C 2: 58 percent / 2-mercaptoethanol, NEt3 / tetrahydrofuran / 0.5 h / Ambient temperature 3: NaBH4 / benzene; ethanol; H2O / Ambient temperature 4: hydrazine hydrate, pyridine / ethanol / 1 h / Heating View Scheme
参考文献
Schroth, Werner; Dunger, Simona; Billig, Frank; Spitzner, Roland; Herzschuh, Rainer; Vogt, Almut; Jende, Thomas; Israel, Gunter; Barche, Jens; Stroehl, Dieter; Sieler, Joachim
Tetrahedron, 1996 , vol. 52, # 39 p. 12677 - 12698
183211-04-3
→
反应条件
891-22-5
反应条件
1: 58 percent / 2-mercaptoethanol, NEt3 / tetrahydrofuran / 0.5 h / Ambient temperature 2: NaBH4 / benzene; ethanol; H2O / Ambient temperature 3: hydrazine hydrate, pyridine / ethanol / 1 h / Heating View Scheme
参考文献
Schroth, Werner; Dunger, Simona; Billig, Frank; Spitzner, Roland; Herzschuh, Rainer; Vogt, Almut; Jende, Thomas; Israel, Gunter; Barche, Jens; Stroehl, Dieter; Sieler, Joachim
Tetrahedron, 1996 , vol. 52, # 39 p. 12677 - 12698
35635-90-6
→
反应条件
891-22-5
反应条件
1: 75 percent / sodium ethoxide / benzene; diethyl ether / 0.5 h / 50 °C 2: 35 percent / Br2 / CH2Cl2 / 0.25 h / Ambient temperature View Scheme
参考文献
Kamata, Kichinosuke; Tsuge, Otohiko
Journal of Heterocyclic Chemistry, 1986 , vol. 23, p. 557 - 560
66718-44-3
→
反应条件
891-22-5
反应条件
1: benzene / Heating 2: oxygen / Heating View Scheme
参考文献
Padwa, Albert; Ku, Hao
Tetrahedron Letters, 1980 , vol. 21, p. 1009 - 1012
98-86-2
苯乙酮
+
6327-79-3
→
反应条件
891-22-5
+
2166-04-3
反应条件
1: copper(II) oxide; iodine / dimethyl sulfoxide / 12 h / 70 °C 2: hydrazine hydrate / tert-butyl alcohol / |Reflux View Scheme
参考文献
Gao, Qinghe; Zhu, Yanping; Lian, Mi; Liu, Meicai; Yuan, Jingjing; Wu, Anxin; Yin, Guodong
Journal of Organic Chemistry, 2012 , vol. 77, # 21 p. 9865 - 9870,6
6830-78-0
3,6-二苯基-1,2,4,5-四嗪
+
52866-26-9
→
反应条件
891-22-5
+
111232-69-0
反应条件
in diethyl ether 40 h; Ambient temperature;
参考文献
Borthakur, Dipak Ranjan; Prajapati, Dipak; Sandhu, Jagir Singh
Heterocycles, 1987 , vol. 26, # 2 p. 337 - 340
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