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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1722584Generated: October 27, 2026

Hydrogen Bromide → 1,4-Dibromoisoquinoline

https://huagongshe.com/reaction/1722584

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
Reactant1-BromoisoquinolineHCID 640963—
Product1,4-DibromoisoquinolineHCID 640981—

Reaction Steps

5.The starting material was prepared by reaction of 1-bromoisoquinoline with HBr to give 1,4-dibromoisoquinoline, m.p. 95°-96°, followed by reaction of this compound with trimethyloxonium tetrafluoroborate in CH2Cl2 to give 1,4-dibromo-2-methylisoquinolinium tetrafluoroborate; n.m.r. in solvent A:-3.5(s, 3H); 7.2-8.4(m, 5H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04855420
Source datasetuspto-grants-1989_08
ORD IDord-ca0bd808a3f34d6ca58e41eb2c8bc470
Source noteuspto-grants-1989_08