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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 333769Generated: October 29, 2026

Benzyl Bromide → 1-(2-Benzyloxy-pyridin-4-yl)-2-(2,4-dichloro-phenyl)-propan-1-one

https://huagongshe.com/reaction/333769

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzyl BromideHCID 7498—
Reactant4-[2-(2,4-Dichloro-phenyl)-propionyl]-1H-pyridin-2-oneHCID 57421337—
CatalystHCID 178418647HCID 178418647—
SolventBenzeneHCID 241—
Product1-(2-Benzyloxy-pyridin-4-yl)-2-(2,4-dichloro-phenyl)-propan-1-oneHCID 6681324659.8%

Reaction Conditions

Temperature50 °C

Reaction Steps

This material was re-benzylated as follows: 4-[2-(2,4-Dichloro-phenyl)-propionyl]-1H-pyridin-2-one (100 mg) was dissolved in absolute benzene (6 mL) and silver carbonate (65 mg) and benzyl bromide (70 mg, 0.05 mL) were added. The mixture was stirred at 50° C. over night and was then poured into ice water. The aqueous phase was extracted with ethyl acetate and the organic layer was washed with brine, dried over Na2SO4 and evaporated. The residue was purified by flash chromatography (20 g silica gel, gradient of ethyl aceate in heptane (0 to 20%)) to give 1-(2-benzyloxy-pyridin-4-yl)-2-(2,4-dichloro-phenyl)-propan-1-one (78 mg) as a colorless oil. MS (m/e)=386.0 [MH+].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08883786B2
Source datasetuspto-grants-2014_11
ORD IDord-65fa3181611f414e8c47023216c95f6a
Source noteuspto-grants-2014_11