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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2416042Generated: October 31, 2026

Triethylamine → HCID 22637159, compound

https://huagongshe.com/reaction/2416042

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant2-Amino-4-methylthiazoleHCID 74143—
ReactantTriphosgeneHCID 94429—
Reactant3-Chloro-4-[(6,7-dimethoxy-4-quinazolinyl)oxy]anilineHCID 21890564—
SolventWaterHCID 962—
SolventChloroformHCID 6212—
ProductHCID 22637159HCID 22637159129.6%

Reaction Steps

3-Chloro-4-[(6,7-dimethoxy-4-quinazolinyl)oxy]-aniline (84 mg) was dissolved in chloroform (2.5 ml) and triethylamine (0.25 ml) to prepare a solution. A solution of triphosgene (38 mg) in chloroform was then added to the solution, and the mixture was stirred at room temperature for 5 min. Next, 2-amino-4-methylthiazole (32 mg) was added thereto, and the mixture was further stirred at room temperature overnight. Water was added to the reaction solution, and the mixture was subjected to separatory extraction with chloroform. The organic layer was concentrated and was evaporated to dryness. Next, diethyl ether was added to the solid, and the solid was collected by filtration. Further, the collected solid was washed with methyl alcohol to give the title compound (78.3 mg, yield 68%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06821987B2
Source datasetuspto-grants-2004_11
ORD IDord-0d3b139e8d1645f79c31679d57b11c78
Source noteuspto-grants-2004_11