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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 614065Generated: October 30, 2026

HCID 21330005, compound → HCID 21330002, compound

https://huagongshe.com/reaction/614065

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 21330005HCID 21330005—
ReactantAcetic Acid Mixture with Hydrobromic AcidHCID 21893785—
ProductHCID 21330002HCID 21330002—

Reaction Steps

40 g 1-(1-carbobenzoxyaminoethyl)-3,4-dihydro-6,7-dimethoxyisoquinoline are dissolved in 450 ml 40% HBr/acetic acid. The mixture is maintained at room temperature for 1 hour and then concentrated in a vacuum to give a crystalline residue of 1-(1-aminoethyl)-3,4-dihydro-6,7-dimethoxyisoquinoline dihydrobromide which is washed with ether before further use (M.Pt. 234°-235°).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04143143
Source datasetuspto-grants-1979_03
ORD IDord-ab217360f72044cd84b88f326ff6e7ac
Source noteuspto-grants-1979_03