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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1836016Generated: October 31, 2026

Water → 5,7-Difluoro-2-(4-methoxy-phenyl)-benzofuran

https://huagongshe.com/reaction/1836016

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant1-Ethynyl-4-methoxybenzeneHCID 251020—
Reactant2,4-Difluoro-6-iodophenolHCID 22221624—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
SolventDMF DiethylamineHCID 86589549—
Product5,7-Difluoro-2-(4-methoxy-phenyl)-benzofuranHCID 10286036—

Reaction Steps

A solution of 2,4-Difluoro-6-iodo-phenol (1.0 g, 3.9 mmol), 4-Methoxyphenylacetylene(0.53 g, 4.0 mmol), PdCl2P(PH3)2 (70 mg), and CuI (50 mg) in DMF/Diethylamine (10 ml) was heated to 60° C. After 1 hr, the reaction was cooled and poured into water which was extracted with EtOAc. The organic layer was dried over MgSO4, filtered and concentrated to give a solid which was triturated with MeOH and filtered to give 86 as a solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06774248B2
Source datasetuspto-grants-2004_08
ORD IDord-15f1ce97aa4246738fbb56873cc20be3
Source noteuspto-grants-2004_08