1-甲基-1H-吡唑-4,5-二甲酸 4-乙酯合成路线 (共 2 条)
反应条件
lithium hydroxide hydrate in tetrahydrofuran; ethanol; water T=-6 - -4°C; 3.08333 h; Inert atmosphere; ConcentrationTemperatureTime;
参考文献
WO2014/27009 A1, ;
Page/Page column 13; 14 ;
反应条件
1.1: hydrogenchloride / ethanol; water / 2 h / 60 °C / Inert atmosphere 2.1: sodium hydroxide; water / 0.5 h / Reflux 2.2: 0.5 h / 20 °C View Scheme