Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1878005Generated: October 30, 2026

Pyridine → HCID 68492086, compound

https://huagongshe.com/reaction/1878005

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
Reactant4-FluoroanilineHCID 9731—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
ReactantHCID 68488610HCID 68488610—
SolventWaterHCID 962—
SolventDimethylformamideHCID 6228—
SolventEthyl AcetateHCID 8857—
ProductHCID 68492086HCID 68492086—

Reaction Steps

3-[6-Chloro-2-oxo-4-(trifluoromethyl)-1,4-dihydro-2H-3,1-benzoxazin-4-yl]propanoic acid (50 mg, 0.15 mmol) and 4-fluoroaniline (21 mg, 0.18 mmol) were dissolved in DMF (1 mL), and then, pyridine (31 μL, 0.39 mmol) and 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (35 mg, 0.18 mmol) were sequentially added thereto. After the reaction solution was stirred overnight at room temperature, water was added thereto. Then, the resulting solution was diluted with ethyl acetate and the organic layer was separated. The organic layer was washed with saturated brine and then dried over magnesium sulfate. After the drying agent was removed by filtration, the solvent was evaporated under reduced pressure. The residue was purified by thin-layer silica gel column chromatography (ethyl acetate/hexane=1/1), whereby the objective compound (33.1 mg, 51%) was obtained as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08314094B2
Source datasetuspto-grants-2012_11
ORD IDord-dd1b4b5f116a4b06bcfb3e280565634e
Source noteuspto-grants-2012_11