5-羟基-1-甲基-1H-吡唑-4-羧酸乙酯合成路线 （共 3 条）
参考文献
Shionogi and Co., Ltd.
Patent: EP1953145 A1, 2008 ;
Location in patent: Page/Page column 21-22 ;
反应条件
in ethanol
T=0 - 20°C; 5 h; Heating / reflux;
参考文献
Shionogi and Co., Ltd.
Patent: EP1953145 A1, 2008 ;
Location in patent: Page/Page column 20 ;
反应条件
tetrafluoroboric acid; sodium nitrite in water
Product distribution;
参考文献
Spassova, Maria K.; Zakharieva, Rossitza D.
Collection of Czechoslovak Chemical Communications, 1989 , vol. 54, # 1 p. 196 - 199
