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乙二醇
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63148-62-9
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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
110683-75-5
合成路线
（共 14 条）
110683-75-5
→
反应条件
103195-35-3
8-氨基-4-氧代-4H-1-苯并吡喃-2-羧酸乙酯
反应条件
hydrogenchloride; tin(ll) chloride in ethanol
参考文献
Raposo, Cesar; Martin, Mercedes; Mussons, M%a& Luisa; Crego, Mercedes; Anaya, Josefa; et al.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1994 , # 15 p. 2113 - 2116
110683-75-5
→
反应条件
607355-65-7
+
103195-35-3
8-氨基-4-氧代-4H-1-苯并吡喃-2-羧酸乙酯
反应条件
hydrogen; sodium acetate; palladium on activated carbon in water; ethyl acetate T=28 - 42°C; P=760.051 Torr; 4 - 5 h; Product distribution / selectivity;
参考文献
Sumitomo Chemical Company, Limited; ONO PHARMACEUTICAL CO., LTD.
Patent: EP1479667 A1, 2004 ;
Location in patent: Page 22 ;
110683-75-5
→
反应条件
607355-65-7
+
607355-67-9
+
103195-35-3
8-氨基-4-氧代-4H-1-苯并吡喃-2-羧酸乙酯
反应条件
pyridine; hydrogen; palladium on activated carbon in ethanol; water T=15 - 25°C; P=760.051 Torr; 5 h; Product distribution / selectivity;
参考文献
Sumitomo Chemical Company, Limited; ONO PHARMACEUTICAL CO., LTD.
Patent: EP1479667 A1, 2004 ;
Location in patent: Page 24 ;
161369-33-1
+
110683-75-5
→
反应条件
607355-65-7
+
103195-35-3
8-氨基-4-氧代-4H-1-苯并吡喃-2-羧酸乙酯
反应条件
hydrogen; sodium acetate; palladium on activated carbon in water; ethyl acetate T=50 - 57°C; P=760.051 Torr; 19 h; Product distribution / selectivity;
参考文献
Sumitomo Chemical Company, Limited; ONO PHARMACEUTICAL CO., LTD.
Patent: EP1479667 A1, 2004 ;
Location in patent: Page 24, 25 ;
110683-75-5
→
反应条件
1047721-79-8
+
607355-65-7
+
607355-67-9
+
103195-35-3
8-氨基-4-氧代-4H-1-苯并吡喃-2-羧酸乙酯
反应条件
hydrogen; palladium on activated carbon in ethanol; water T=15 - 40°C; P=760.051 Torr; 8 h; Product distribution / selectivity;
参考文献
Sumitomo Chemical Company, Limited; ONO PHARMACEUTICAL CO., LTD.
Patent: EP1479667 A1, 2004 ;
Location in patent: Page 23, 24 ;
110683-75-5
→
反应条件
110683-24-4
8-氨基-4-氧代-4H-苯并吡喃-2-羧酸
反应条件
1.1: SnCl2·2H2O; hydrogenchloride / ethanol; water / 65 - 70 °C 2.1: potassium carbonate / ethanol; water; tetrahydrofuran / 20 °C 2.2: pH <= 2 View Scheme
参考文献
Funke, Mario; Thimm, Dominik; Schiedel, Anke C.; Mueller, Christa E.
Journal of Medicinal Chemistry, 2013 , vol. 56, # 12 p. 5182 - 5197
110683-75-5
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反应条件
141283-41-2
反应条件
1: NH3 / methanol 2: POCl3 / dimethylformamide View Scheme
参考文献
Nakai; Konno; Kosuge; Sakuyama; Toda; Arai; Obata; Katsube; Miyamoto; Okegawa; Kawasaki
Journal of Medicinal Chemistry, 1988 , vol. 31, # 1 p. 84 - 91
110683-75-5
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反应条件
141283-42-3
8-硝基-2-(1H-四氮唑-5-基)-4H-1-苯并吡喃-4-酮
反应条件
1: NH3 / methanol 2: POCl3 / dimethylformamide 3: NaN3, pyridinium chloride / 100 °C View Scheme
参考文献
Nakai; Konno; Kosuge; Sakuyama; Toda; Arai; Obata; Katsube; Miyamoto; Okegawa; Kawasaki
Journal of Medicinal Chemistry, 1988 , vol. 31, # 1 p. 84 - 91
110683-75-5
→
反应条件
110683-23-3
8-氨基-4-酮-2-(四氮唑-5-基)-4H-1-苯并吡喃盐酸盐
反应条件
1: NH3 / methanol 2: POCl3 / dimethylformamide 3: NaN3, pyridinium chloride / 100 °C 4: H2, conc. HCl / Pd-Cl / methanol View Scheme
参考文献
Journal of Medicinal Chemistry, , vol. 31, # 1 p. 84 - 91
64-17-5
乙醇
→
反应条件
110683-75-5
反应条件
1: 8-nitro-4-oxo-4H-chromene-2-carboxylic acid With thionyl chloride; N,N-dimethyl-formamide in toluene T=50°C; 12 h; 2: ethanol T=15°C; 0.5 h; Product distribution / selectivity;
参考文献
Sumitomo Chemical Company, Limited; ONO PHARMACEUTICAL CO., LTD.
Patent: EP1479667 A1, 2004 ;
Location in patent: Page 21 ;
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