4-吡啶-3-基-苯甲酸乙酯合成路线 (共 6 条)
反应条件
1: With sodium hydroxide in ethanol T=20°C; 2 h; 2: With hydrogenchloride in water
参考文献
Takeda Chemical Industries, Ltd.
Patent: US6359134 B1, 2002 ;
Location in patent: Referential example 13 ;
US 6359134 B1
反应条件
1: 3-iodo-pyridine With indium; n-tetradec-1l-ene; lithium chloride in tetrahydrofuran
T=50°C; 5 h;
2: 4-iodobenzoic acid ethyl ester With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in tetrahydrofuran; 1-methyl-pyrrolidin-2-one
17 h; RefluxInert atmosphere;
参考文献
Chen, Yi-Hung; Knochel, Paul
Angewandte Chemie - International Edition, 2008 , vol. 47, # 40 p. 7648 - 7651
反应条件
1: 4-iodobenzoic acid ethyl ester With chloro-trimethyl-silane; ethylene dibromide; lithium chloride; zinc in tetrahydrofuran
T=50°C; 10 h; Inert atmosphere;
2: 3-bromo-pyridine With PEPPSI-IPr catalyst in tetrahydrofuran
T=50°C; Negishi cross-coupling; 3 h; Inert atmosphere;
参考文献
Sase, Shohei; Jaric, Milica; Metzger, Albrecht; Malakhov, Vladimir; Knochel, Paul
Journal of Organic Chemistry, 2008 , vol. 73, # 18 p. 7380 - 7382
反应条件
potassium hydroxide; tetrabutylammomium bromide; tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran
Substitution; 20 h; Heating;
参考文献
Hartmann, Rolf W.; Reichert, Martin
Archiv der Pharmazie, 2000 , vol. 333, # 5 p. 145 - 153
反应条件
sodium carbonate; tetrakis(triphenylphosphine) palladium(0) in ethylene glycol dimethyl ether
15 h; Heating / reflux;
参考文献
Takeda Chemical Industries, Ltd.
Patent: US6359134 B1, 2002 ;
Location in patent: Referential example 13 ;
US 6359134 B1
反应条件
1,10-phenanthroline; palladium diacetate; caesium carbonate
T=140°C; 48 h; Sealed tube;
参考文献
Ye, Mengchun; Gao, Guo-Lin; Edmunds, Andrew J. F.; Worthington; Morris, James A.; Yu, Jin-Quan
Journal of the American Chemical Society, 2011 , vol. 133, # 47 p. 19090 - 19093