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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
72360-04-4
合成路线
(共 21 条)
88662-93-5
→
反应条件
72360-04-4
反应条件
potassium hydroxide 0.166667 h; Heating;
参考文献
Wan, A. S. C.; Ngiam, T. L.; Leung, S. L.; Go, M. L.; Francisco, C. G.; et al.
Steroids, 1983 , vol. 41, # 3 p. 339 - 348
620-02-0
5-甲基呋喃醛
+
131543-46-9
→
反应条件
72360-04-4
反应条件
sodium carbonate in 1,4-dioxane; water
参考文献
Merck Sharp and Dohme Limited
Patent: US6080745 A1, 2000 ;
1193-79-9
5-甲基-2-乙酰基呋喃
→
反应条件
72360-04-4
反应条件
1: ammonium polysulfide; dioxane / 110 °C 2: aqueous KOH-solution View Scheme
参考文献
Blanchette; Brown
Journal of the American Chemical Society, 1952 , vol. 74, p. 2098
53906-90-4
→
反应条件
72360-04-4
反应条件
water; sodium hydroxide in methanol T=20°C; 1 h;
参考文献
Kambe, Tohru; Maruyama, Toru; Nakano, Masayuki; Yamaura, Yoshiyuki; Shono, Tomoyuki; Seki, Akiteru; Sakata, Kiyoto; Maruyama, Takayuki; Nakai, Hisao; Toda, Masaaki
Chemical and Pharmaceutical Bulletin, 2011 , vol. 59, # 12 p. 1523 - 1534
620-02-0
5-甲基呋喃醛
→
反应条件
72360-04-4
反应条件
1: 95 percent / NaOAc / acetic acid / 0.5 h / Heating 2: 1) 15percent NaOH, 2) 10percent HCl / 1) 100 deg C, 5 min, 2) 0 deg C 3: Na, NH2OH*HCl / ethanol / 0.5 h / Heating 4: 88 percent / Ac2O / Heating 5: 94 percent / 18percent KOH / 0.17 h / Heating View Scheme
参考文献
Wan, A. S. C.; Ngiam, T. L.; Leung, S. L.; Go, M. L.; Francisco, C. G.; et al.
Steroids, 1983 , vol. 41, # 3 p. 339 - 348
88662-91-3
→
反应条件
72360-04-4
反应条件
1: Na, NH2OH*HCl / ethanol / 0.5 h / Heating 2: 88 percent / Ac2O / Heating 3: 94 percent / 18percent KOH / 0.17 h / Heating View Scheme
参考文献
Wan, A. S. C.; Ngiam, T. L.; Leung, S. L.; Go, M. L.; Francisco, C. G.; et al.
Steroids, 1983 , vol. 41, # 3 p. 339 - 348
88674-82-2
(5E)-5-[(5-甲基-2-呋喃基)亚甲基]-2-硫基-1,3-噻唑-4(5H)-酮
→
反应条件
72360-04-4
反应条件
1: 1) 15percent NaOH, 2) 10percent HCl / 1) 100 deg C, 5 min, 2) 0 deg C 2: Na, NH2OH*HCl / ethanol / 0.5 h / Heating 3: 88 percent / Ac2O / Heating 4: 94 percent / 18percent KOH / 0.17 h / Heating View Scheme
参考文献
Wan, A. S. C.; Ngiam, T. L.; Leung, S. L.; Go, M. L.; Francisco, C. G.; et al.
Steroids, 1983 , vol. 41, # 3 p. 339 - 348
857821-18-2
→
反应条件
72360-04-4
反应条件
ethanol; sodium ethanolate; hydrazine hydrate T=200°C;
参考文献
Reichstein; Zschokke
Helvetica Chimica Acta, 1932 , vol. 15, p. 249,252
62992-46-5
2-(4-戊炔氧基)四氢-2H-吡喃
→
反应条件
72360-04-4
反应条件
1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -70 °C / Inert atmosphere 1.2: 3 h / 20 °C / Inert atmosphere 2.1: toluene-4-sulfonic acid / ethanol / 3 h / 20 °C / Inert atmosphere 3.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 0.67 h / -70 - -35 °C 3.2: 0.5 h / -35 - -5 °C 4.1: tetrahydrofuran / 0.25 h / 0 °C / Inert atmosphere 5.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 0.67 h / -70 - -35 °C 5.2: 0.5 h / -35 - -5 °C 6.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 3 h / 20 - 90 °C / Inert atmosphere 7.1: water; sodium hydroxide / methanol / 1 h / 20 °C View Scheme
参考文献
Kambe, Tohru; Maruyama, Toru; Nakano, Masayuki; Yamaura, Yoshiyuki; Shono, Tomoyuki; Seki, Akiteru; Sakata, Kiyoto; Maruyama, Takayuki; Nakai, Hisao; Toda, Masaaki
Chemical and Pharmaceutical Bulletin, 2011 , vol. 59, # 12 p. 1523 - 1534
1365393-10-7
→
反应条件
72360-04-4
反应条件
1.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 0.67 h / -70 - -35 °C 1.2: 0.5 h / -35 - -5 °C 2.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 3 h / 20 - 90 °C / Inert atmosphere 3.1: water; sodium hydroxide / methanol / 1 h / 20 °C View Scheme
参考文献
Kambe, Tohru; Maruyama, Toru; Nakano, Masayuki; Yamaura, Yoshiyuki; Shono, Tomoyuki; Seki, Akiteru; Sakata, Kiyoto; Maruyama, Takayuki; Nakai, Hisao; Toda, Masaaki
Chemical and Pharmaceutical Bulletin, 2011 , vol. 59, # 12 p. 1523 - 1534
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