反应详情

A mixture of 111.76 g of 5-methyl-3-phenyl-4-isoxazoloyl carboxylic acid, 6 drops of pyridine and 29.5 ml of thionyl chloride is stirred under reflux for 4 hrs. The excess thionyl chloride is evaporated in vacuo. Distillation of the residue yields 113.74 g of yellow liquid.

1. temperatureunder reflux for 4 hrs
2. customThe excess thionyl chloride is evaporated in vacuo
3. distillationDistillation of the residue