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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
134997-91-4
合成路线
（共 8 条）
866038-49-5
2-(3-氧代-3,4-二氢-2H-苯并[b][1,4]噁嗪-6-基)乙酸甲酯
→
反应条件
134997-91-4
反应条件
water; sodium hydroxide in methanol T=20°C; 3 h;
参考文献
DR.REDDY'S LABORATORIES LTD.; SASMAL, Pradip Kumar; VAMSEEKRISHNA, Chintakunta; POTLURI, Vijay; TEHIM, Ashok; GAI, Yonghua; ZHANG, Hang
Patent: WO2013/131408 A1, 2013 ;
Location in patent: Page/Page column 92 ;
23786-14-3
4-甲氧基苯乙酸甲酯
→
反应条件
134997-91-4
反应条件
1: acetic acid; nitric acid; acetic anhydride / 2 h / -30 - 20 °C 2: boron tribromide / dichloromethane / 4 h / -70 - 20 °C 3: caesium carbonate / tetrahydrofuran / 2 h / 20 °C / |Reflux 4: acetic acid; iron / 2 h / |Reflux 5: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme
参考文献
DR.REDDY'S LABORATORIES LTD.; SASMAL, Pradip Kumar; VAMSEEKRISHNA, Chintakunta; POTLURI, Vijay; TEHIM, Ashok; GAI, Yonghua; ZHANG, Hang
Patent: WO2013/131408 A1, 2013 ;
34837-88-2
甲基(4-甲氧基-3-硝基苯基)乙酸酯
→
反应条件
134997-91-4
反应条件
1: boron tribromide / dichloromethane / 4 h / -70 - 20 °C 2: caesium carbonate / tetrahydrofuran / 2 h / 20 °C / |Reflux 3: acetic acid; iron / 2 h / |Reflux 4: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme
参考文献
DR.REDDY'S LABORATORIES LTD.; SASMAL, Pradip Kumar; VAMSEEKRISHNA, Chintakunta; POTLURI, Vijay; TEHIM, Ashok; GAI, Yonghua; ZHANG, Hang
Patent: WO2013/131408 A1, 2013 ;
61873-93-6
2-(4-羟基-3-硝基苯基)乙酸甲酯
→
反应条件
134997-91-4
反应条件
1: caesium carbonate / tetrahydrofuran / 2 h / 20 °C / |Reflux 2: acetic acid; iron / 2 h / |Reflux 3: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme
参考文献
DR.REDDY'S LABORATORIES LTD.; SASMAL, Pradip Kumar; VAMSEEKRISHNA, Chintakunta; POTLURI, Vijay; TEHIM, Ashok; GAI, Yonghua; ZHANG, Hang
Patent: WO2013/131408 A1, 2013 ;
104-01-8
对甲氧基苯乙酸
→
反应条件
134997-91-4
反应条件
1: thionyl chloride / 1.5 h / 0 °C / |Reflux 2: acetic acid; nitric acid; acetic anhydride / 2 h / -30 - 20 °C 3: boron tribromide / dichloromethane / 4 h / -70 - 20 °C 4: caesium carbonate / tetrahydrofuran / 2 h / 20 °C / |Reflux 5: acetic acid; iron / 2 h / |Reflux 6: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme
参考文献
DR.REDDY'S LABORATORIES LTD.; SASMAL, Pradip Kumar; VAMSEEKRISHNA, Chintakunta; POTLURI, Vijay; TEHIM, Ashok; GAI, Yonghua; ZHANG, Hang
Patent: WO2013/131408 A1, 2013 ;
156-38-7
对羟基苯乙酸
→
反应条件
134997-91-4
反应条件
1: acetic acid; nitric acid / 1 h / 15 °C 2: thionyl chloride / 2 h / 0 - 20 °C 3: caesium carbonate / tetrahydrofuran / 2 h / 20 °C / |Reflux 4: acetic acid; iron / 2 h / |Reflux 5: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme
参考文献
DR.REDDY'S LABORATORIES LTD.; SASMAL, Pradip Kumar; VAMSEEKRISHNA, Chintakunta; POTLURI, Vijay; TEHIM, Ashok; GAI, Yonghua; ZHANG, Hang
Patent: WO2013/131408 A1, 2013 ;
10463-20-4
4-羟基-3-硝基苯乙酸
→
反应条件
134997-91-4
反应条件
1: thionyl chloride / 2 h / 0 - 20 °C 2: caesium carbonate / tetrahydrofuran / 2 h / 20 °C / |Reflux 3: acetic acid; iron / 2 h / |Reflux 4: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme
参考文献
DR.REDDY'S LABORATORIES LTD.; SASMAL, Pradip Kumar; VAMSEEKRISHNA, Chintakunta; POTLURI, Vijay; TEHIM, Ashok; GAI, Yonghua; ZHANG, Hang
Patent: WO2013/131408 A1, 2013 ;
1455471-90-5
→
反应条件
134997-91-4
反应条件
1: acetic acid; iron / 2 h / |Reflux 2: sodium hydroxide; water / methanol / 3 h / 20 °C View Scheme
参考文献
DR.REDDY'S LABORATORIES LTD.; SASMAL, Pradip Kumar; VAMSEEKRISHNA, Chintakunta; POTLURI, Vijay; TEHIM, Ashok; GAI, Yonghua; ZHANG, Hang
Patent: WO2013/131408 A1, 2013 ;
