HCID 178450497, compound → HCID 10405519, compound

Participants

Reaction Steps

Ethyl-2-butyryl-3-(4-benzoyloxymethylphenylamino)acrylate (50 g) was added portionwise to boiling diphenyl ether (500 ml) and hearing continued under reflux for 30 minutes. On cooling, crystals started to appear and the mixture was diluted with petroleum ether to give 3-butyryl-6-(benzoyloxymethyl)-4(1H)-quinolone (39.7 g, 96%) as light brown crystals, m.p. 220°-3° C.

Provenance & Evidence