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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1946920Generated: November 2, 2026

Pyridinium hydrochloride → HCID 68153395, compound

https://huagongshe.com/reaction/1946920

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridinium hydrochlorideHCID 21584435—
ReactantHCID 68153413HCID 68153413—
SolventDichloromethaneHCID 6344—
ProductHCID 68153395HCID 68153395—

Reaction Conditions

Temperature125 °C

Reaction Steps

A sealed tube was charged with 5-[1-(3-bromo-phenyl)-vinyl]-2-methoxy-pyridine (600 mg) and pyridinium hydrochloride (3 g) freshly prepared. The tube was heated at 125° C. for 10 minutes, then the mixture was allowed to cool to room temperature. The crude was dissolved in dichloromethane (15 ml), the solution washed with hydrochloric acid (1N) (2×15 ml), dried over sodium sulphate and evaporated. The crude product was purified by flash chromatography eluting with cyclohexane/ethyl acetate. The 5-[1-(3-bromo-phenyl)-vinyl]-1H-pyridin-2-one was obtained as a colorless oil (366 mg, 64% of theory). MS (ISP): m/z=278 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08399459B2
Source datasetuspto-grants-2013_03
ORD IDord-8ad99adcaaa24d2e8fbc41f1abf1a958
Source noteuspto-grants-2013_03