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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 470481Generated: October 27, 2026

Methyl iodide → 4-Bromo-1-methylpyridin-2(1H)-one

https://huagongshe.com/reaction/470481

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl iodideHCID 6328—
ReactantSodium hydrideHCID 24758—
ReactantHCID 178515446HCID 178515446—
SolventTetrahydrofuranHCID 8028—
Product4-Bromo-1-methylpyridin-2(1H)-oneHCID 2213239650%

Reaction Steps

To a suspension of NaH (300 mg, 7.5 mmol) in THF (10 mL) was added 4-bromopyridin-2-ol (303 mg, 1.73 mmol) at 0° C. After the resulting mixture was stirred for 1 h, CH3I (491 mg, 3.46 mmol) was added, and the mixture was stirred overnight. The reaction was quenched with aqueous NH4Cl solution. The organic phase was concentrated to give the crude product, which was purified by column to give 4-bromo-1-methylpyridin-2(1H)-one (161 mg, 50%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08629138B2
Source datasetuspto-grants-2014_01
ORD IDord-ec60310d10254bd4b0c487ab308f1cb2
Source noteuspto-grants-2014_01