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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 56692Generated: October 27, 2026

Pyridinium hydrochloride → 4-Chloro-2-(5-fluoro-2-oxo-1,2-dihydropyridin-4-yl)benzonitrile

https://huagongshe.com/reaction/56692

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridinium hydrochlorideHCID 21584435—
Reactant4-Chloro-2-(5-fluoro-2-methoxypyridin-4-yl)benzonitrileHCID 117604844—
Product4-Chloro-2-(5-fluoro-2-oxo-1,2-dihydropyridin-4-yl)benzonitrileHCID 117604819—

Reaction Steps

210 mg (0.77 mmol) of 4-chloro-2-(5-fluoro-2-methoxypyridin-4-yl)benzonitrile and pyridinium hydrochloride were reacted according to General Method 3A. Yield: 126 mg (66% of theory)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09434690B2
Source datasetuspto-grants-2016_09
ORD IDord-da6364b525004cfab0217d65648a0eb7
Source noteuspto-grants-2016_09