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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 884178Generated: October 29, 2026

Water → HCID 68525809, compound

https://huagongshe.com/reaction/884178

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantTriethylamineHCID 8471—
Reactant1-Ethynyl-4-(trifluoromethyl)benzeneHCID 4348295—
ReactantHCID 68527162HCID 68527162—
CatalystCopper iodideHCID 83717—
CatalystHCID 178418476HCID 178418476—
SolventN-methyl-2-pyrrolidoneHCID 13387—
ProductHCID 68525809HCID 68525809—

Reaction Conditions

Temperature115 °C

Reaction Steps

To a solution of 1-[4-(5-bromopyridin-2-yloxy)-3-methylphenyl]-3-(3,4-dimethoxybenzyl)tetrahydropyrimidin-2-one (0.3 g, 0.59 mmol) in N-methylpyrrolidone (10 mL) were added bis(triphenylphosphine)palladium dichloride (20 mg, 0.03 mmol), copper iodide (11 mg, 0.059 mmol), 4-ethynyl-α,α,α-trifluorotoluene (0.14 mL, 0.88 mmol) and triethylamine (0.14 mL, 10 mmol) under a nitrogen atmosphere. The resulting solution was stirred for 3 hours at 110 to 120° C. After being left to cool, water was added to the reaction solution. The resulting solution was extracted with ethyl acetate. The ethyl acetate layer was washed with water and dried over anhydrous magnesium sulfate. The solvent was then evaporated, and the residue was purified by silica gel chromatography (n-hexane:ethyl acetate=4:1→1:1), to thereby yield 0.28 g of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08236826B2
Source datasetuspto-grants-2012_08
ORD IDord-40005fa24cfb4d2994d26ed6e0c66156
Source noteuspto-grants-2012_08