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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2089244Generated: October 27, 2026

Dimethylformamide → 2-Chloro-5-(trifluoromethyl)pyridine-3-carbonyl chloride

https://huagongshe.com/reaction/2089244

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
ReactantOxalyl chlorideHCID 65578—
Reactant2-Chloro-5-(trifluoromethyl)nicotinic acidHCID 12140227—
SolventDichloromethaneHCID 6344—
Product2-Chloro-5-(trifluoromethyl)pyridine-3-carbonyl chlorideHCID 37863460—

Reaction Steps

To a suspension of 2-chloro-5-(trifluoromethyl)nicotinic acid (1.147 g, 4.83 mmol) in DCM (20 mL) was added oxalyl chloride (630 L, 7.35 mmol) dropwise with stirring. A single drop of DMF was added and the reaction mixture was stirred 40° C. for 1 hour. Concentration of the reaction mixture in vacuo resulted in the title compound as a brown oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08436023B2
Source datasetuspto-grants-2013_05
ORD IDord-37f91c9a324049e7929dcaded6fe7233
Source noteuspto-grants-2013_05