乙基 2-(2-羟基苯基)乙酸酯合成路线 (共 5 条)
反应条件
sulfuric acid
4 h; Inert atmosphereReflux;
参考文献
Guo, Xingwei; Yu, Rong; Li, Haijun; Li, Zhiping
Journal of the American Chemical Society, 2009 , vol. 131, # 47 p. 17387 - 17393
反应条件
ethanol; sulfuric acid
14 h; Heating / reflux;
参考文献
Shiseido Co., Ltd.
Patent: EP1422224 A1, 2004 ;
Location in patent: Page 20 ;
反应条件
sodium hydrogen sulphate; silica gel
T=20°C; Substitution; Transesterification; 6 h;
参考文献
Das; Venkataiah
Synthesis, 2000 , # 12 p. 1671 - 1672
反应条件
1: hippuric acid; acetic acid anhydride; sodium acetate / Erhitzen des Reaktionsprodukts mit wss. Natronlauge und Behandeln des Reaktionsgemisches mit wss. Wasserstoffperoxid
2: sulfuric acid
View Scheme
参考文献
Offe; Jatzkewitz
Chemische Berichte, 1947 , vol. 80, p. 469,472
反应条件
1: 2-Hydroxy-phenyl-acetic Acid Ethyl Ester With potassium carbonate in acetone
T=20°C; 0.25 h;
2: chloromethyl methyl ether in acetone
T=0 - 20°C;
参考文献
ASKA Pharmaceutical Co., Ltd.
Patent: EP1832584 A1, 2007 ;
Location in patent: Page/Page column 63 ;
EP 1832584 A1