反应详情

3-Chloromethylpyrazole, prepared by reacting 3-hydroxy-methylpyrazole with thionyl chloride, is reacted with the sodium salt of ethylene glycol to give 3-(2-hydroxyethoxymethyl)-pyrazole. Treatment of 3-(2-hydroxyethoxymethyl)pyrazole with thionyl chloride gives 3 -(2-chloroethoxymethylpyrazole.