Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1815796Generated: October 26, 2026

2-Bromo-4,5-difluorophenol → 7-Bromo-4,5-difluorobenzofuran

https://huagongshe.com/reaction/1815796

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Bromo-4,5-difluorophenolHCID 2736288—
Reactant2-(2-Bromo-4,5-difluorophenoxy)-acetaldehyde diethyl acetalHCID 22144855—
Product7-Bromo-4,5-difluorobenzofuranHCID 22144874—

Reaction Steps

Beginning with 5 gm (23.9 mMol) 2-bromo-4,5-difluorophenol, 7.05 gm (91%) 2-(2-bromo-4,5-difluorophenoxy)acetaldehyde diethyl acetal were prepared essentially as described in Preparation IV.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06881733B1
Source datasetuspto-grants-2005_04
ORD IDord-302c2582056e44a197559339507879f8
Source noteuspto-grants-2005_04