4-(Trifluoromethyl)dihydro-2H-pyran-2,6(3H)-dione → HCID 18960420, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 0.50 g of 3-(5-amino-4-chloro-2-fluorophenyl)-1-methyl-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedione, 0.27 g of 3-trifluoromethylglutaric anhydride and 6 ml of toluene was stirred at 100° C. for one hour. After cooling to room temperature, the solvent was removed by distillation under reduced pressure to obtain 0.7 g of the desired compound as crystal.

Provenance & Evidence