Sodium Dithionite → HCID 135583121, compound

Participants

Reaction Steps

7 g of the resulting 7-nitro-6-hydroxybenzazepin-2-one was dispersed in 50 ml of water, and to the dispersion was slowly added 30 g of sodium hydrosulfite while heating on a steam bath. After refluxing, the reaction mixture was cooled and the precipitated crystals were collected by filtration and dried to obtain 4 g of 7-amino-6-hydroxybenzazepin-2-one.

Provenance & Evidence