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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2109370Generated: October 31, 2026

Ethanol → Ethyl 3-bromofuran-2-carboxylate

https://huagongshe.com/reaction/2109370

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant3-Bromofuran-2-carboxylic acidHCID 605479—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
SolventDichloromethaneHCID 6344—
ProductEthyl 3-bromofuran-2-carboxylateHCID 2245614988.7%

Reaction Conditions

Temperature25 °C

Reaction Steps

WSC (17.3 g), 4-dimethylaminopyridine (1.1 g) and ethanol (5.2 ml) were added to a dichloromethane solution (100 ml) of 17.2 g 3-bromo-2-furancarboxylic acid and stirred for 5 hours at 25° C. The reaction solution was washed with saturated brine and dried over MgSO4. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography (eluent: ethyl acetate/hexane=1/30), thereby giving 17.5 g of the desired compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07514452B2
Source datasetuspto-grants-2009_04
ORD IDord-ddc637a82b044fd18af0bc4b6bec9674
Source noteuspto-grants-2009_04