Ammonia → HCID 19039846, compound

Participants

Reaction Steps

To a solution of 4.6 g (21 mmol) of 7-methoxy-3,3a,4,5-tetrahydro-1H-oxazolo[3,4-a]quinolin-1-one in 50 ml of dichloromethane are added dropwise, at 0° C., 4.0 ml (42 mmol) of boron tribromide. After one hour, the medium is hydrolyzed by addition of aqueous ammonia to the point of neutrality. The precipitate formed is then filtered off and dried under vacuum.

Provenance & Evidence