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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2416036Generated: November 2, 2026

2-Aminothiazole → HCID 22637135, compound

https://huagongshe.com/reaction/2416036

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-AminothiazoleHCID 2155—
ReactantTriethylamineHCID 8471—
ReactantTriphosgeneHCID 94429—
Reactant4-(6,7-Dimethoxyquinazolin-4-yloxy)anilineHCID 11616363—
SolventWaterHCID 962—
SolventChloroformHCID 6212—
ProductHCID 22637135HCID 2263713566.6%

Reaction Steps

4-[(6,7-Dimethoxy-4-quinazolinyl)oxy]aniline (40 mg) was dissolved in chloroform (1.2 ml) and triethylamine (0.1 ml) to prepare a solution. A solution of triphosgene (20 mg) in chloroform was then added to the solution, and the mixture was stirred at room temperature for 5 min. Next, 2-aminothiazole (15 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 the residue was then purified by chromatography (chloroform:acetone=2:1) to give the title compound (19.0 mg, yield 33.4%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06821987B2
Source datasetuspto-grants-2004_11
ORD IDord-67bb0b9c99be4e01a281ba9b700c8e11
Source noteuspto-grants-2004_11