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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1759950Generated: October 28, 2026

Potassium Carbonate → HCID 22599705, compound

https://huagongshe.com/reaction/1759950

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantAmmonium ChlorideHCID 25517—
Reactant2,3-DifluorophenolHCID 80879—
Reactant4-(2-Butynyloxy)-5-fluoro-6-chloropyrimidineHCID 22599717—
SolventDimethylformamideHCID 6228—
ProductHCID 22599705HCID 2259970581.8%

Reaction Conditions

Temperature80 °C

Reaction Steps

To 2 ml of N,N-dimethylformamide were added 0.1 g of 4-chloro-6-(2-butynyloxy)-5-fluoropyrimidine, 0.1 g of potassium carbonate, and 0.08 g of 2,3-difluorophenol, followed by stirring at 80° C. for 2 hours. The reaction mixture was left for cooling to room temperature and poured into a saturated aqueous ammonium chloride solution, which was extracted three times with t-butyl methyl ether. The organic layers were combined, washed with brine, dried over anhydrous magnesium sulfate, and then concentrated. The residue was subjected to silica gel column chromatography to give 0.12 g of 4-(2-butynyloxy)-6-(2,3-difluorophenoxy)-5-fluoropyrimidine (the present compound (180)).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06838463B2
Source datasetuspto-grants-2005_01
ORD IDord-dd5504e4d95e46c482f581bf15df2003
Source noteuspto-grants-2005_01