Toluene → HCID 14151562, compound

Participants

Reaction Steps

To a mixture of 1 g (3.34 mmol) of 4-oxo-N-phenyl-2,6-dipropyl-4H-pyran-3-carboxamide, 0.37 g (5.01 mmol) of butylamine and 5 ml of toluene, 1 ml of 1N sodium hydroxide solution in methanol was added and stirred overnight at room temperature. After adding about 10 ml of water and about 10 ml of ethylacetate to the mixture, they were well shaken in a separatory funnel. The organic layer was washed with saturated sodium chloride solution, dried in an usual manner, concentrated and crystallized from toluene and cyclohexane to afford 737 mg of the title compound having m.p. 133.5°-136.5° C.

Provenance & Evidence