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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 430593Generated: October 29, 2026

Oxalyl chloride → 3-Cyano-2,4,5-trifluoro-benzoyl chloride

https://huagongshe.com/reaction/430593

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalyl chlorideHCID 65578—
Reactant195532-64-0HCID 18417533—
CatalystDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
Product3-Cyano-2,4,5-trifluoro-benzoyl chlorideHCID 18618761—

Reaction Steps

111 g of 3-cyano-2,4,5-trifluoro-benzoic acid, 84 g of oxalyl chloride and a few drops of dimethylformamide in 930 ml of dry methylene chloride are stirred at room temperature for 5 hours. The reaction mixture is concentrated by evaporation and the residue is distilled in vacuo.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06323213B1
Source datasetuspto-grants-2001_11
ORD IDord-2b89adf6c891449e8baa063d8a6962d8
Source noteuspto-grants-2001_11