反应详情

温度

80 °C

Thionyl chloride (5 ml) was added to 1-(1-methylethyl)-1H-pyrazole-5-carboxylic acid (1 g) and the reaction was heated at 80° C. for 5 h. The reaction was evaporated, then azeotroped with toluene to give title compound, 856 mg.

1. customThe reaction was evaporated
2. customazeotroped with toluene