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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1824967Generated: October 30, 2026

Formamide → 2-Methyl-2-(5-fluorobenzofur-7-yl)propionamide

https://huagongshe.com/reaction/1824967

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormamideHCID 713—
ReactantSodium MethoxideHCID 10942334—
ReactantHCID 22144774HCID 22144774—
SolventDimethylformamideHCID 6228—
SolventEthyl AcetateHCID 8857—
Product2-Methyl-2-(5-fluorobenzofur-7-yl)propionamideHCID 2214492443.7%

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of 0.156 gm (0.62 mMol) ethyl 2-methyl-2-(5-fluorobenzofur-7-yl)propionate, 0.095 gm (2.12 mMol) formamide, and 0.44 mL (0.44 mMol) sodium methoxide (1.0 M in methanol) in 3 mL dimethylformamide was heated at 100° C. for 45 minutes. The reaction mixture was diluted with ethyl acetate and the organics washed sequentially with water and saturated aqueous sodium chloride. The organics were then concentrated under reduced pressure and the residue subjected to silica gel chromatography, eluting with 2:1 hexane:ethyl acetate. Fractions containing product were combined and concentrated under reduced pressure to provide 0.060 gm (25%) of the desired compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07045545B1
Source datasetuspto-grants-2006_05
ORD IDord-7f7c4803cc5e45368f5ee0a1cae18222
Source noteuspto-grants-2006_05