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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1815795Generated: October 26, 2026

2-Bromo-4-chlorophenol → 7-Bromo-5-chloro-1-benzofuran

https://huagongshe.com/reaction/1815795

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Bromo-4-chlorophenolHCID 69670—
Reactant2-(2-Bromo-4-chlorophenoxy)-acetaldehyde diethyl acetalHCID 22144797—
Product7-Bromo-5-chloro-1-benzofuranHCID 22144720—

Reaction Steps

Beginning with 25 gm (120.5 mMol) 2-bromo-4-chlorophenol, 41.16 gm crude 2-(2-bromo-4-chlorophenoxy)acetaldehyde diethyl acetal was prepared essentially as described in Preparation IV. A sample of this crude material was subjected to silica gel chromatography to provide an analytical sample.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06881733B1
Source datasetuspto-grants-2005_04
ORD IDord-612337b5a5674dec9b2e26dbf0627e4b
Source noteuspto-grants-2005_04