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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2375409Generated: October 30, 2026

Ethyl Bromide → 4-Ethoxy-2-fluoronitrobenzene

https://huagongshe.com/reaction/2375409

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl BromideHCID 6332—
ReactantPotassium CarbonateHCID 11430—
Reactant3-Fluoro-4-nitrophenolHCID 520948—
SolventDimethylformamideHCID 6228—
Product4-Ethoxy-2-fluoronitrobenzeneHCID 13538651—

Reaction Conditions

Temperature50 °C

Reaction Steps

To a solution of 3-fluoro-4-nitrophenol (1.57 g, 10.0 mmol) in 20 mL of dry DMF was added bromoethane (540 mg, 5.0 mmol) and K2CO3 powder (500 mg). The resulting reaction mixture was warmed to 50° C. and stirred for 1 h. It was quenched by addition of 20 mL of H2O, extracted with diethyl ether (100 mL×2). The combined organic extracts were washed with brine (50 mL), dried (MgSO4), filtered, and concentrated in vacuo to afford 4-ethoxy-2-fluoro-1-nitrobenzene as a pale yellow oil: MS (ESI) 186 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07465730B2
Source datasetuspto-grants-2008_12
ORD IDord-11fa4b8fa2484288ad3932fef51f4ca4
Source noteuspto-grants-2008_12