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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 593965Generated: October 25, 2026

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

https://huagongshe.com/reaction/593965

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 numberUS09242961B2
Source datasetuspto-grants-2016_01
ORD IDord-27b7ca24830748aa93424480e54c23af
Source noteuspto-grants-2016_01