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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1752977Generated: October 28, 2026

Cesium carbonate → HCID 90034853, compound

https://huagongshe.com/reaction/1752977

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
Reactant2,4-DifluorophenolHCID 123051—
Reactant2-fluoro-N-(2-oxo-1H-pyridin-4-yl)-4-(trifluoromethyl)benzamideHCID 86728463—
SolventDimethylformamideHCID 6228—
ProductHCID 90034853HCID 90034853—

Reaction Conditions

Temperature100 °C

Reaction Steps

To a solution of 2-fluoro-N-(2-oxo-1,2-dihydropyridin-4-yl)-4-(trifluoromethyl)benzamide (30 mg, 0.1 mmol) in DMF (1 mL) was added 2,4-difluorophenol (130 mg, 1.0 mmol) and Cs2CO3 (325.8 mg, 1.0 mmol) and the reaction mixture was stirred at 100° C. for 1 hour. The reaction was cooled to 25° C., filtered and purified by reverse phase chromatography using a gradient of acetonitrile in water (10-99%) and HCl as a modifier to yield 2-(2,4-difluorophenoxy)-N-(2-oxo-1,2-dihydropyridin-4-yl)-4-(trifluoromethyl)benzamide (16). ESI-MS m/z calc. 410.07, found 411.2 (M+1)+; Retention time: 1.55 minutes (3 minutes run).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09163042B2
Source datasetuspto-grants-2015_10
ORD IDord-1e908e3888ae48199b3d254c492f2526
Source noteuspto-grants-2015_10