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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1480964Generated: October 30, 2026

N-bromobutanimide → 1-Bromo-7-(2,6-difluoro-phenoxy)-4-hydroxy-isoquinoline-3-carboxylic acid ethyl ester

https://huagongshe.com/reaction/1480964

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-bromobutanimideHCID 67184—
Reactant7-(2,6-Difluoro-phenoxy)-4-hydroxy-isoquinoline-3-carboxylic acid ethyl esterHCID 89813021—
SolventAcetonitrileHCID 6342—
Product1-Bromo-7-(2,6-difluoro-phenoxy)-4-hydroxy-isoquinoline-3-carboxylic acid ethyl esterHCID 8981297760.5%

Reaction Steps

A mixture of 7-(2,6-difluoro-phenoxy)-4-hydroxy-isoquinoline-3-carboxylic acid ethyl ester (210 mg) and NBS (133 mg) in MeCN (5 mL) was stirred in an ice/water bath for 2 h; then concentrated, the residue was column purified to give the desired product (156 mg). LC MS ESI: 424 (M+1)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09409892B2
Source datasetuspto-grants-2016_08
ORD IDord-1f82058e59c24734a6a9642ce4faf995
Source noteuspto-grants-2016_08