Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 412595Generated: October 28, 2026

Hydrogen Bromide → 2,3,4,5-tetrahydro-1H-2-benzazepin-8-ol hydrobromide

https://huagongshe.com/reaction/412595

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
Reactant8-Methoxy-2,3,4,5-tetrahydro-1H-benzo(c)azepineHCID 15496954—
Product2,3,4,5-tetrahydro-1H-2-benzazepin-8-ol hydrobromideHCID 11447910—

Reaction Steps

8-Methoxy-2,3,4,5-tetrahydro-1H-benz[c]azepine (3.65 g) was dissolved in 48% aqueous hydrogen bromide solution (36 ml) and the mixture was refluxed for 2 hours. The solvent was evaporated and ethanol and diethyl ether were added to the obtained residue. The mixture was filtrated and dried under reduced pressure to give the title compound (4.56 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06562828B1
Source datasetuspto-grants-2003_05
ORD IDord-949b71e773254f5188db2f623d3f8843
Source noteuspto-grants-2003_05