反应详情

A solution of 7-(5-fluoro-2-methylphenyl)-2,4-dimethyl-5,6,7,8-tetrahydroquinolin-5-one (1.1 g) and aminoguanidine hydrochloride (0.52 g) in ethanol (30 ml) was combined with concentrated hydrochloric acid (1.0 ml) and water (1.0 ml), and the mixture was heated under reflux for 12 hours. The mixture was concentrated under reduced pressure, and the residue was recrystallized from ethanol to obtain 7-(5-fluoro-2-methylphenyl)-5-guanidinoimino-2,4-dimethyl-5,6,7,8-tetrahydroquinoline hydrochloride (Compound L) (1.25 g) as a colorless crystal.

1. temperaturethe mixture was heated
2. temperatureunder reflux for 12 hours
3. concentrationThe mixture was concentrated under reduced pressure
4. customthe residue was recrystallized from ethanol