Dimethylformamide dimethyl acetal → HCID 54059417, compound

Participants

Reaction Steps

A mixture containing 26.5 g of 5benzoyl-6-methyl-2(1H)-pyridinone, 100 ml of dimethylformamide and 21 ml of dimethylformamide dimethyl acetal was heated on a steam bath with stirring for 8 hours and then concentrated on a rotary evaporator to yield a solid residue. The residue was recrystallized from methanol and dried in a vacuum oven at 80°-85° C., to yield 15.8 g of 5-benzoyl-6-[2-(dimethylamino)ethenyl]-2(1H)-pyridinone, m.p. 202°-204° C.

Provenance & Evidence