Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 591808Generated: October 30, 2026

Methanol → 2-(2,6-dimethyl-pyridin-4-yl)-7-fluoro-5-methoxy-3H-quinazolin-4-one

https://huagongshe.com/reaction/591808

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantWaterHCID 962—
ReactantSodium MethoxideHCID 10942334—
Reactant2-(2,6-dimethylpyridin-4-yl)-5,7-difluoro-3H-quinazolin-4-oneHCID 136348006—
SolventAcetic AcidHCID 176—
SolventDimethylformamideHCID 6228—
Product2-(2,6-dimethyl-pyridin-4-yl)-7-fluoro-5-methoxy-3H-quinazolin-4-oneHCID 136348040—

Reaction Steps

To a suspension of 2-(2,6-dimethyl-pyridin-4-yl)-5,7-difluoro-3H-quinazolin-4-one (0.72 g, 2.51 mmol) in DMF (10 mL), a solution of sodium methoxide in methanol (25 wt %, 1.36 g, 25.1 mmol) was added and the reaction mixture was stirred at room temperature for 16 hours. Water was added, the mixture was acidified to pH approximately 4-5 with acetic acid, and the precipitated solid was filtered and dried under vacuum, to give 2-(2,6-dimethyl-pyridin-4-yl)-7-fluoro-5-methoxy-3H-quinazolin-4-one as a light yellow solid. Yield: 0.28 g (37%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09238640B2
Source datasetuspto-grants-2016_01
ORD IDord-ef52fd7235e84734865151039e228f9a
Source noteuspto-grants-2016_01