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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2245126Generated: October 30, 2026

m-Chloroperbenzoic acid → 4-chloro-8-(2,6-difluorophenyl)-2-(methylsulfinyl)pyrido[2,3-d]pyrimidin-7(8H)-one

https://huagongshe.com/reaction/2245126

Reaction equation

Participants

RoleNameHCIDCharge
Reactantm-Chloroperbenzoic acidHCID 70297—
Reactant4-Chloro-2-methylsulfanyl-8-(2,6-difluorophenyl)-8H-pyrido[2,3-d]pyrimidin-7-oneHCID 11951513—
ReactantEthyl acetate hexaneHCID 21226206—
SolventDichloromethaneHCID 6344—
Product4-chloro-8-(2,6-difluorophenyl)-2-(methylsulfinyl)pyrido[2,3-d]pyrimidin-7(8H)-oneHCID 1195151489.4%

Reaction Steps

To the compound 4-chloro-8-(2,6-difluorophenyl)-2-(methylthio)pyrido[2,3-d]pyrimidin-7(8H)-one (1.70 g, 5.0 mmol) in dichloromethane (100 mL) was added mCPBA (1.16 g, 7.5 mmol). The mixture was stirred at rt for 10 min. Chromatography with hexane/ethyl acetate afforded the title compound (1.59 g, 89%). LC-MS m/z 356 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07678801B2
Source datasetuspto-grants-2010_03
ORD IDord-050e18d8ef0d490aa9eb04616ebe91f2
Source noteuspto-grants-2010_03