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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
73818-41-4
合成路线
(共 18 条)
118-93-4
2'-羟基苯乙酮
+
73818-41-4
→
反应条件
288-32-4
咪唑
+
607-71-6
4-甲基香豆素
反应条件
1: o-hydroxyacetophenone With sodium methylate in anhydrous xylene T=60°C; 2 h; Inert atmosphere; 2: 2-triphenyl(α-carboxymethylene)phosphorane imidazolide in anhydrous xylene Intramolecular Wittig reaction; 48 h; RefluxInert atmosphere;
参考文献
Tetrahedron Letters, , vol. 50, # 2 p. 236 - 238
90-02-8
水杨醛
+
73818-41-4
→
反应条件
288-32-4
咪唑
+
91-64-5
香豆素
反应条件
1: salicylaldehyde With sodium methylate in anhydrous xylene T=60°C; 2 h; Inert atmosphere; 2: 2-triphenyl(α-carboxymethylene)phosphorane imidazolide in anhydrous xylene Intramolecular Wittig reaction; 48 h; RefluxInert atmosphere;
参考文献
Tetrahedron Letters, , vol. 50, # 2 p. 236 - 238
90-02-8
水杨醛
+
73818-41-4
→
反应条件
288-32-4
咪唑
+
91-64-5
香豆素
反应条件
1: salicylaldehyde With sodium methylate in anhydrous xylene T=60°C; 2 h; Inert atmosphere; 2: 2-triphenyl(α-carboxymethylene)phosphorane imidazolide in anhydrous xylene Intramolecular Wittig reaction; 48 h; RefluxInert atmosphere;
参考文献
Upadhyay, Puspesh K.; Kumar, Pradeep
Tetrahedron Letters, 2009 , vol. 50, # 2 p. 236 - 238
574-19-6
1-乙酰基-2-萘酚
+
73818-41-4
→
反应条件
288-32-4
咪唑
+
21568-13-8
反应条件
1: 1-(2-hydroxy-1-naphthalenyl)ethanone With sodium methylate in anhydrous xylene T=60°C; 2 h; Inert atmosphere; 2: 2-triphenyl(α-carboxymethylene)phosphorane imidazolide in anhydrous xylene Intramolecular Wittig reaction; 48 h; RefluxInert atmosphere;
参考文献
Upadhyay, Puspesh K.; Kumar, Pradeep
Tetrahedron Letters, 2009 , vol. 50, # 2 p. 236 - 238
118-93-4
2'-羟基苯乙酮
+
73818-41-4
→
反应条件
288-32-4
咪唑
+
607-71-6
4-甲基香豆素
反应条件
1: o-hydroxyacetophenone With sodium methylate in anhydrous xylene T=60°C; 2 h; Inert atmosphere; 2: 2-triphenyl(α-carboxymethylene)phosphorane imidazolide in anhydrous xylene Intramolecular Wittig reaction; 48 h; RefluxInert atmosphere;
参考文献
Upadhyay, Puspesh K.; Kumar, Pradeep
Tetrahedron Letters, 2009 , vol. 50, # 2 p. 236 - 238
673-22-3
2-羟基-4-甲氧基苯甲醛
+
73818-41-4
→
反应条件
288-32-4
咪唑
+
531-59-9
7-甲氧基香豆素
反应条件
1: 2-Hydroxy-4-methoxy-benzaldehyde With sodium methylate in anhydrous xylene T=60°C; 2 h; Inert atmosphere; 2: 2-triphenyl(α-carboxymethylene)phosphorane imidazolide in anhydrous xylene Intramolecular Wittig reaction; 48 h; RefluxInert atmosphere;
参考文献
Upadhyay, Puspesh K.; Kumar, Pradeep
Tetrahedron Letters, 2009 , vol. 50, # 2 p. 236 - 238
672-13-9
2-羟基-5-甲氧基苯甲醛
+
73818-41-4
→
反应条件
288-32-4
咪唑
反应条件
1: 2-hydroxy-5-methoxy-benzaldehyde With sodium methylate in anhydrous xylene T=60°C; 2 h; Inert atmosphere; 2: 2-triphenyl(α-carboxymethylene)phosphorane imidazolide in anhydrous xylene Intramolecular Wittig reaction; 48 h; RefluxInert atmosphere;
参考文献
Upadhyay, Puspesh K.; Kumar, Pradeep
Tetrahedron Letters, 2009 , vol. 50, # 2 p. 236 - 238
1450-72-2
2-羟基-5-甲基苯乙酮
+
73818-41-4
→
反应条件
288-32-4
咪唑
+
14002-89-2
4,6-二甲基-2-苯并吡喃酮
反应条件
1: 1-(2-hydroxy-5-methylphenyl)ethanone With sodium methylate in anhydrous xylene T=60°C; 2 h; Inert atmosphere; 2: 2-triphenyl(α-carboxymethylene)phosphorane imidazolide in anhydrous xylene Intramolecular Wittig reaction; 48 h; RefluxInert atmosphere;
参考文献
Upadhyay, Puspesh K.; Kumar, Pradeep
Tetrahedron Letters, 2009 , vol. 50, # 2 p. 236 - 238
148-53-8
邻香草醛
+
73818-41-4
→
反应条件
288-32-4
咪唑
+
2445-81-0
8-甲氧基香豆素
反应条件
1: 2-hydroxy-3-methoxy-benzaldehyde With sodium methylate in anhydrous xylene T=60°C; 2 h; Inert atmosphere; 2: 2-triphenyl(α-carboxymethylene)phosphorane imidazolide in anhydrous xylene Intramolecular Wittig reaction; 48 h; RefluxInert atmosphere;
参考文献
Upadhyay, Puspesh K.; Kumar, Pradeep
Tetrahedron Letters, 2009 , vol. 50, # 2 p. 236 - 238
17028-61-4
+
73818-41-4
→
反应条件
288-32-4
咪唑
+
85257-32-5
反应条件
1: 2-hydroxy-3-methoxy-5-nitrobenzaldehyde With sodium methylate in anhydrous xylene T=60°C; 2 h; Inert atmosphere; 2: 2-triphenyl(α-carboxymethylene)phosphorane imidazolide in anhydrous xylene Intramolecular Wittig reaction; 48 h; RefluxInert atmosphere;
参考文献
Upadhyay, Puspesh K.; Kumar, Pradeep
Tetrahedron Letters, 2009 , vol. 50, # 2 p. 236 - 238
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