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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
25888-41-9
合成路线
（共 9 条）
496817-70-0
→
反应条件
25888-41-9
反应条件
1: With trichlorophosphate in acetonitrile T=80 - 83°C; Bischler-Napieralski reaction; 2 h; 2: With sodium tetrahydroborate in methanol T=-78°C; 2 h;
参考文献
Hashimoto, Naomi; Miyatani, Kumiko; Ohkita, Keiko; Ohishi, Yoshitaka; Kunitomo, Jun-Ichi; Kawasaki, Ikuo; Yamashita, Masayuki; Ohta, Shunsaku
Heterocycles, 2002 , vol. 57, # 11 p. 2149 - 2161
25829-01-0
→
反应条件
25888-41-9
反应条件
sodium tetrahydroborate in methanol Heating;
参考文献
Kametani,T. et al.
Journal of Heterocyclic Chemistry, 1969 , vol. 6, p. 869 - 873
93-40-3
3,4-二甲氧基苯乙酸
→
反应条件
25888-41-9
反应条件
1.1: Br2 2.1: SOCl2 3.1: 71 percent / aq. Na2CO3 / diethyl ether / 2 h / 23 - 27 °C 4.1: POCl3 / acetonitrile / 2 h / 80 - 83 °C 4.2: 8 percent / NaBH4 / methanol / 2 h / -78 °C View Scheme
参考文献
Hashimoto, Naomi; Miyatani, Kumiko; Ohkita, Keiko; Ohishi, Yoshitaka; Kunitomo, Jun-Ichi; Kawasaki, Ikuo; Yamashita, Masayuki; Ohta, Shunsaku
Heterocycles, 2002 , vol. 57, # 11 p. 2149 - 2161
5470-14-4
(6-溴-苯并1,3二氧代-5-基)-乙酸
→
反应条件
25888-41-9
反应条件
1.1: SOCl2 2.1: 89.7 percent / aq. Na2CO3 / diethyl ether; benzene / 1 h / 0 - 5 °C 3.1: 86 percent / BF3*Et2O; BH3*THF / tetrahydrofuran / 2.5 h / 70 - 80 °C 4.1: 71 percent / aq. Na2CO3 / diethyl ether / 2 h / 23 - 27 °C 5.1: POCl3 / acetonitrile / 2 h / 80 - 83 °C 5.2: 8 percent / NaBH4 / methanol / 2 h / -78 °C View Scheme
参考文献
Hashimoto, Naomi; Miyatani, Kumiko; Ohkita, Keiko; Ohishi, Yoshitaka; Kunitomo, Jun-Ichi; Kawasaki, Ikuo; Yamashita, Masayuki; Ohta, Shunsaku
Heterocycles, 2002 , vol. 57, # 11 p. 2149 - 2161
6831-57-8
→
反应条件
25888-41-9
反应条件
1.1: 71 percent / aq. Na2CO3 / diethyl ether / 2 h / 23 - 27 °C 2.1: POCl3 / acetonitrile / 2 h / 80 - 83 °C 2.2: 8 percent / NaBH4 / methanol / 2 h / -78 °C View Scheme
参考文献
Hashimoto, Naomi; Miyatani, Kumiko; Ohkita, Keiko; Ohishi, Yoshitaka; Kunitomo, Jun-Ichi; Kawasaki, Ikuo; Yamashita, Masayuki; Ohta, Shunsaku
Heterocycles, 2002 , vol. 57, # 11 p. 2149 - 2161
4697-62-5
2-溴-4,5-甲氧基苯乙酸
→
反应条件
25888-41-9
反应条件
1.1: SOCl2 2.1: 71 percent / aq. Na2CO3 / diethyl ether / 2 h / 23 - 27 °C 3.1: POCl3 / acetonitrile / 2 h / 80 - 83 °C 3.2: 8 percent / NaBH4 / methanol / 2 h / -78 °C View Scheme
参考文献
Hashimoto, Naomi; Miyatani, Kumiko; Ohkita, Keiko; Ohishi, Yoshitaka; Kunitomo, Jun-Ichi; Kawasaki, Ikuo; Yamashita, Masayuki; Ohta, Shunsaku
Heterocycles, 2002 , vol. 57, # 11 p. 2149 - 2161
55260-30-5
→
反应条件
25888-41-9
反应条件
1.1: 89.7 percent / aq. Na2CO3 / diethyl ether; benzene / 1 h / 0 - 5 °C 2.1: 86 percent / BF3*Et2O; BH3*THF / tetrahydrofuran / 2.5 h / 70 - 80 °C 3.1: 71 percent / aq. Na2CO3 / diethyl ether / 2 h / 23 - 27 °C 4.1: POCl3 / acetonitrile / 2 h / 80 - 83 °C 4.2: 8 percent / NaBH4 / methanol / 2 h / -78 °C View Scheme
参考文献
Hashimoto, Naomi; Miyatani, Kumiko; Ohkita, Keiko; Ohishi, Yoshitaka; Kunitomo, Jun-Ichi; Kawasaki, Ikuo; Yamashita, Masayuki; Ohta, Shunsaku
Heterocycles, 2002 , vol. 57, # 11 p. 2149 - 2161
496817-68-6
→
反应条件
25888-41-9
反应条件
1.1: 86 percent / BF3*Et2O; BH3*THF / tetrahydrofuran / 2.5 h / 70 - 80 °C 2.1: 71 percent / aq. Na2CO3 / diethyl ether / 2 h / 23 - 27 °C 3.1: POCl3 / acetonitrile / 2 h / 80 - 83 °C 3.2: 8 percent / NaBH4 / methanol / 2 h / -78 °C View Scheme
参考文献
Hashimoto, Naomi; Miyatani, Kumiko; Ohkita, Keiko; Ohishi, Yoshitaka; Kunitomo, Jun-Ichi; Kawasaki, Ikuo; Yamashita, Masayuki; Ohta, Shunsaku
Heterocycles, 2002 , vol. 57, # 11 p. 2149 - 2161
80041-80-1
→
反应条件
25888-41-9
反应条件
hydrogenchloride; tin
参考文献
Babor et al.
Chemicke Zvesti, 1954 , vol. 8, p. 53,60
Chem.Abstr., 1956 , p. 373
