反应详情

1,4-Dimethyl-1H-pyrazole-3-carboxylic acid (190 mg) was weighed to a round bottom flask and thionyl chloride (1 ml) was added. The reaction was heated to reflux for 6 h then overnight at RT. After this time thionyl chloride was evaporated and the residue azeotroped with toluene to afford the title compound, 200 mg.

1. temperatureThe reaction was heated
2. temperatureto reflux for 6 h
3. customovernight
4. customat RT
5. customAfter this time thionyl chloride was evaporated
6. customthe residue azeotroped with toluene