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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 21520Generated: October 25, 2026

Catechol → o-(5-Fluoro-2-nitrophenoxy)phenol

https://huagongshe.com/reaction/21520

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCatecholHCID 289—
ReactantPotassium CarbonateHCID 11430—
Reactant2,4-DifluoronitrobenzeneHCID 67967—
SolventAcetonitrileHCID 6342—
SolventDichloromethaneHCID 6344—
SolventSodium chloride; waterHCID 57417360—
Producto-(5-Fluoro-2-nitrophenoxy)phenolHCID 1993238755%

Reaction Conditions

Temperature28 °C

Reaction Steps

Catechol (103.8 g, 0.94 mol) and potassium carbonate (129.9 g, 0.94 mol) are added to a solution of 2,4-difluoronitrobenzene (50.0 g, 0.314 mol) in acetonitrile. The reaction mixture is stirred at 28° C. for 24 hours, poured into brine and extracted with ether. The organic extract is washed with brine, dried over anhydrous sodium sulfate and concentrated in vacuo to obtain a brown gum. Flash chromatography of the gum using silica gel and a 10% hexanes in methylene chloride solution gives the title product as a yellow solid (43 g) which is identified by 1HNMR spectral analysis.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05424280
Source datasetuspto-grants-1995_06
ORD IDord-3ac0287e59ea458f9d86f75740575bec
Source noteuspto-grants-1995_06