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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 56857Erstellt: 25. Oktober 2026

Pyridinium hydrobromide → 4-Chloro-2-[5-(difluoromethoxy)-2-oxo-1,2-dihydropyridin-4-yl]benzonitrile

https://huagongshe.com/reaction/56857

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktPyridinium hydrobromideHCID 21226041—
Edukt4-Chloro-2-[5-(difluoromethoxy)-2-methoxypyridin-4-yl]benzonitrileHCID 117605724—
Produkt4-Chloro-2-[5-(difluoromethoxy)-2-oxo-1,2-dihydropyridin-4-yl]benzonitrileHCID 117605696—

Reaktionsschritte

230 mg (purity 80%, 0.59 mmol) of 4-chloro-2-[5-(difluoromethoxy)-2-methoxypyridin-4-yl]benzonitrile and pyridinium hydrobromide were reacted according to General Method 3A. The crude product was purified by flash chromatography (IR-50SI, dichloromethane/methanol 3-25%). Yield: 167 mg (95% of theory)

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS09434690B2
Quelldatensatzuspto-grants-2016_09
ORD IDord-ded25a1437784d6fafb707e5b36c77fc
Quellennotizuspto-grants-2016_09