反应详情

Saturated ammonia/methanol (10 mL) was added to 4-(2-trifluoromethylphenyl)dihydropyrane-2,6-dione (636 mg), and the mixture was stirred at room temperature for 15 hours. Concentration under reduced pressure gave a crude product (716 mg) which was used for the next reaction without purification.

1. concentrationConcentration under reduced pressure