Dimethylamine, hydrochloride → HCID 178513705, compound

Participants

Reaction Steps

To 2-hydroxyquinolin-4-oyl chloride (V-A, 0.90 g) in dichloromethane (20 ml) are added dimethylamine hydrochloride (0.52 g), followed by diisopropylethylamine (1.12 ml). After stirring for 5 hr aqueous sodium bicarbonate is added and the mixture is extracted several times with dichloromethane. The organic layers are dried over sodium sulfate and concentrated. The crude product was chromatographed (silica gel; methanol/dichloromethane (2/98 to 4/96)), to give dimethylamino 2-hydroxyquinoline-4-carboxamide (VI, 0.73 g), mp 219°-220°.

Provenance & Evidence