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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2361056Generated: October 26, 2026

4-Aminophenol → 4-{3-[2-(Methylthio)pyrimidin-4-yl]pyridin-2-yloxy}benzeneamine

https://huagongshe.com/reaction/2361056

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-AminophenolHCID 403—
ReactantCesium carbonateHCID 10796—
Reactant4-(2-Chloropyridin-3-yl)-2-(methylthio)pyrimidineHCID 57756239—
SolventDimethyl SulfoxideHCID 679—
SolventWaterHCID 962—
Product4-{3-[2-(Methylthio)pyrimidin-4-yl]pyridin-2-yloxy}benzeneamineHCID 66731913—

Reaction Conditions

Temperature130 °C

Reaction Steps

A resealable pressure bottle was charged with 4-(2-chloropyridin-3-yl)-2-(methylthio)pyrimidine (6.00 g, 25.2 mmol), 4-aminophenol (2.89 g, 26.5 mmol), and cesium carbonate (16.4 g, 50.5 mmol). These reagents were suspended in DMSO (50.5 ml, 0.50 M). The vessel was sealed and heated to 130° C. for 48 hrs. Reaction mixture was allowed to cool to RT, diluted with water and extracted with EtOAc. The organic layer was collected, dried with Na2SO4, filtered, and concentrated to give a light brown residue, which was purified by silica gel chromatography (ISCO, 10% to 50% Ethyl Acetate/Hexanes) to afford clean material as light yellow solid. MS m/z=311 [M+H]+. Calc'd for C16H14N4OS: 310.37.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08686155B2
Source datasetuspto-grants-2014_04
ORD IDord-ebf22e9db3684b33b20e24ba192ef316
Source noteuspto-grants-2014_04