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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 558462Generated: October 28, 2026

Trifluoroacetic acid → 3-(2-aminoquinazolin-6-yl)-4-methylpyridin-2(1H)-one

https://huagongshe.com/reaction/558462

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant6-(2-(4-Methoxybenzyloxy)-4-methylpyridin-3-yl)quinazolin-2-amineHCID 66999954—
SolventDichloromethaneHCID 6344—
Product3-(2-aminoquinazolin-6-yl)-4-methylpyridin-2(1H)-oneHCID 66999986—

Reaction Steps

To a solution of 6-(2-(4-methoxybenzyloxy)-4-methylpyridin-3-yl)quinazolin-2-amine (0.650 g, 1.75 mmol) in CH2Cl2 (1 mL) at RT was added TFA (1.00 ml, 13.0 mmol). After 10 min the solvent and excess acid was removed in vacuo. The residue was taken up in EtOAc and saturated NaHCO3 was added. The resulting white precipitate was removed by filtration. The solid material, 3-(2-aminoquinazolin-6-yl)-4-methylpyridin-2(1H)-one, was dried in vacuo and used without further purification. M+H+=253.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08063055B2
Source datasetuspto-grants-2011_11
ORD IDord-a8d80a3b7f534a598158b134a29665e3
Source noteuspto-grants-2011_11