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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 542724Generated: October 26, 2026

Hydrochloric Acid → 8-methoxy-7-sulfamoyl-2,3,4,5-tetrahydro-1H-3-benzazepine hydrochloride

https://huagongshe.com/reaction/542724

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant3-acetyl-8-methoxy-7-sulfamoyl-2,3,4,5-tetrahydro-1H-3-benzazepineHCID 13853351—
Product8-methoxy-7-sulfamoyl-2,3,4,5-tetrahydro-1H-3-benzazepine hydrochlorideHCID 21242897—

Reaction Steps

The sulfonamide (2.3 g, 0.007 m) was suspended in 3N hydrochloric acid and heated to reflux for 16 hours. The mixture was concentrated in vacuo and the residue crystallized from methanol to give 8-methoxy-7-sulfamoyl-2,3,4,5-tetrahydro-1H-3-benzazepine hydrochloride, m.p. 270°-274°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04659706
Source datasetuspto-grants-1987_04
ORD IDord-6df4459beac94f48a106c3751876e590
Source noteuspto-grants-1987_04