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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
5-溴-2-甲氧基吡啶
合成路线
(共 76 条)
13472-85-0
5-溴-2-甲氧基吡啶
→
反应条件
913836-17-6
5-溴-2-羟基异烟酸甲酯
反应条件
1: lithium diisopropyl amide / tetrahydrofuran / -70 °C 2: dihydrogen peroxide; formic acid / 0 - 4 °C 3: sulfuric acid 4: hydrogen bromide / water 5: sulfuric acid View Scheme
参考文献
Buckman, Brad Owen; Nicholas, John Beamond; Ramphal, Johnnie Y.; Emayan, Kumaraswamy; Seiwert, Scott D.
Patent: US2014/94456 A1, 2014 ;
13472-85-0
5-溴-2-甲氧基吡啶
+
61676-62-8
异丙醇频哪醇硼酸酯
→
反应条件
445264-61-9
2-甲氧基-5-吡啶硼酸频哪醇酯
反应条件
1: 2-methoxy-5-bromo-pyridine With n-butyllithium; isopropylmagnesium chloride in tetrahydrofuran; hexane T=-2 - 0°C; 0.75 h; Inert atmosphere; 2: 2-isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane in tetrahydrofuran; hexane T=0 - 20°C; Inert atmosphere;
参考文献
Synthesis, , vol. 44, # 5 p. 735 - 746
13472-85-0
5-溴-2-甲氧基吡啶
+
14047-29-1
4-羧基苯硼酸
+
497-19-8
碳酸钠
→
反应条件
219671-80-4
4-(6-甲氧基-3-吡啶基)苯甲酸
反应条件
in water; acetonitrile
参考文献
Pauls, Heinz; Gong, Yong; Levell, Julian; Astles, Peter; Eastwood, Paul R.
Patent: US2002/45613 A1, 2002 ;
13472-85-0
5-溴-2-甲氧基吡啶
→
反应条件
312300-42-8
6-甲氧基吡啶-3-磺酰氯
反应条件
1: With n-butyllithium; Di-n-butylmagnesium in tetrahydrofuran T=-10°C; Inert atmosphere; 2: With sulfuryl dichloride in tetrahydrofuran; toluene T=-10 - 10°C;
参考文献
Emura, Takashi; Yoshino, Hitoshi; Tachibana, Kazutaka; Shiraishi, Takuya; Honma, Akie; Mizutani, Akemi; Muraoka, Terushige
Synlett, 2011 , # 8 art. no. U00411ST, p. 1117 - 1120
13472-85-0
5-溴-2-甲氧基吡啶
→
反应条件
81971-39-3
反应条件
1: hydrogenchloride; water / 15 h / 100 °C 2: potassium carbonate / N,N-dimethyl-formamide / 16 h / 20 °C / |Inert atmosphere View Scheme
参考文献
ENDO PHARMACEUTICALS INC.; SMITH, Roger, Astbury; KETHIRI, Raghava, Reddy; KRISTAM, Rajendra; LAPING, Nicholas, James; VENKATESHAPPA, Chandregowda; KULKARNI, Bheemashankar; DEVRAJ, Rajesh; DEWANG, Purushottam
Patent: WO2013/49559 A1, 2013 ;
13472-85-0
5-溴-2-甲氧基吡啶
→
反应条件
6628-77-9
5-氨基-2-甲氧基吡啶
反应条件
copper(l) iodide; quinoline-2-carboxylic acid N-oxide; potassium carbonate; ammonium hydroxide in dimethyl sulfoxide T=80°C; 23 h; Inert atmosphere;
参考文献
Zeng, Xin; Huang, Wenming; Qiu, Yatao; Jiang, Sheng
Organic and Biomolecular Chemistry, 2011 , vol. 9, # 24 p. 8224 - 8227
13472-85-0
5-溴-2-甲氧基吡啶
+
68-12-2
N,N-二甲基甲酰胺
→
反应条件
65873-72-5
6-甲氧基-3-吡啶甲醛
反应条件
1: 2-methoxy-5-bromo-pyridine With n-butyllithium; isopropylmagnesium chloride in tetrahydrofuran; hexane T=-2 - 0°C; 0.75 h; Inert atmosphere; 2: N,N-dimethyl-formamide in tetrahydrofuran; hexane T=0 - 20°C; Inert atmosphere;
参考文献
Struk, Lukasz; Sosnicki, Jacek G.
Synthesis, 2012 , vol. 44, # 5 p. 735 - 746
13472-85-0
5-溴-2-甲氧基吡啶
→
反应条件
反应条件
n-butyllithium in tetrahydrofuran; N-methyl-acetamide
参考文献
Baxter, Andrew; Brough, Stephen; Faull, Alan; Johnstone, Craig; McInally, Thomas
Patent: US2002/107252 A1, 2002 ;
13472-85-0
5-溴-2-甲氧基吡啶
→
反应条件
65873-72-5
6-甲氧基-3-吡啶甲醛
反应条件
n-butyllithium; ammonium chloride in N,N-dimethyl-formamide
参考文献
Maxia Pharmaceuticals, Inc.
Patent: US6515003 B1, 2003 ;
13472-85-0
5-溴-2-甲氧基吡啶
→
反应条件
708273-57-8
反应条件
1.1: n-butyllithium / tetrahydrofuran; hexane / 0.83 h / -78 °C / Inert atmosphere 1.2: 1.33 h / -78 °C / Inert atmosphere 2.1: hydrogenchloride; water / tetrahydrofuran View Scheme
参考文献
Zhang, Xuqing; Hou, Cuifen; Hufnagel, Heather; Singer, Monica; Opas, Evan; McKenney, Sandra; Johnson, Dana; Sui, Zhihua
ACS Medicinal Chemistry Letters, 2012 , vol. 3, # 12 p. 1039 - 1044
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