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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 968602Generated: October 30, 2026

Pyridine → ethyl 3-[4-oxo-7-[3-(trifluoromethyl)-2-pyridinyl]-1H-quinazolin-2-yl]propanoate

https://huagongshe.com/reaction/968602

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantSodium ethoxideHCID 2723922—
Reactant2-Amino4-(3-trifluoromethyl-pyridin-2-yl)-benzamideHCID 22030074—
Reactant3-Chlorocarbonyl-propionic acid ethyl ester chlorideHCID 86592618—
SolventEthanolHCID 702—
SolventTetrahydrofuranHCID 8028—
Productethyl 3-[4-oxo-7-[3-(trifluoromethyl)-2-pyridinyl]-1H-quinazolin-2-yl]propanoateHCID 178471181—

Reaction Steps

To a solution of 2-amino-4-(3-trifluoromethyl-pyridin-2-yl)-benzamide (0.5 mmol) and pyridine (0.55 mmol) in THF (5 ml), add 3-chlorocarbonyl-propionic acid ethyl ester chloride (0.55 mmol). Stir the mixture for 20 minutes at room temperature, add 20 ml of 21% NaOEt in EtOH, and stir for 30 minutes at 50° C. Concentrate, add water, filter, acidify to pH 6, and collect the precipitate to give 3-[4-hydroxy-7-(3-trifluoromethyl-pyridin-2-yl)quinazolin-2-yl]-propionic acid ethyl ester.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07304059B2
Source datasetuspto-grants-2007_12
ORD IDord-457d6479e5ad417ba170052bbfa4f793
Source noteuspto-grants-2007_12