Boron tribromide → HCID 135583122, compound

Participants

Reaction Steps

In 100 ml of methylene chloride was dissolved 25 g of the resulting 6-methoxybenzazepin-2-one, and 66 g of boron tribromide was added thereto dropwise at room temperature over 20 minutes. After stirring at room temperature for 1 hour, the reaction mixture was poured into ice-water, and the precipitated crystals were collected by filtration, washed with water, and dried to provide 18 g of 6-hydroxybenzazepin-2-one.

Provenance & Evidence