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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1348831Generated: October 31, 2026

Pyridine → HCID 23118602, compound

https://huagongshe.com/reaction/1348831

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantTriphosgeneHCID 94429—
Reactant4-[(6,7-Dimethoxy-4-quinolyl)oxy]-2-fluoroanilineHCID 11301470—
Reactant4,5-Dimethyl-1,3-thiazol-2-amine--hydrogen chloride (1/1)HCID 16211387—
SolventWaterHCID 962—
SolventChloroformHCID 6212—
ProductHCID 23118602HCID 2311860240.8%

Reaction Steps

4-[(6,7-Dimethoxy-4-quinolyl)oxy]-2-fluoroaniline (95 mg) was dissolved in chloroform (3 ml) and pyridine (0.2 ml) to prepare a solution. A solution of triphosgene (45 mg) in chloroform was then added to the solution, and the mixture was stirred at room temperature for 10 min. Next, 2-amino-4,5-dimethylthiazole hydrochloride (54 mg) was added thereto, and the mixture was further stirred at room temperature overnight. Iced water was added to the reaction solution, and the mixture was extracted with chloroform. The organic layer was washed with water and saturated brine and was then dried over anhydrous sodium sulfate. The dried organic layer was filtered and was then concentrated. Ether was added to the residue for crystallization, and the crystal was collected by filtration. The crystal was purified by chromatography (chloroform:acetone=2:1) to give 29 mg of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07211587B2
Source datasetuspto-grants-2007_05
ORD IDord-6c800eccd9224e279120d3f77d3542ed
Source noteuspto-grants-2007_05