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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 618811Erstellt: 26. Oktober 2026

Hydroxyamine hydrochloride → 6-Fluoro-2,2-dimethyl-4-chromanone oxime

https://huagongshe.com/reaction/618811

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktHydroxyamine hydrochlorideHCID 443297—
Edukt6-fluoro-2,2-dimethyl-3,4-dihydro-2H-1-benzopyran-4-oneHCID 11063293—
LösungsmittelMethanolHCID 887—
LösungsmittelPyridineHCID 1049—
Produkt6-Fluoro-2,2-dimethyl-4-chromanone oximeHCID 85757782—

Reaktionsschritte

By heating 10 mmol of 6-fluoro-2,2-dimethyl-4-chromanone with 12 mmol of hydroxylamine hydrochloride in 5 ml of methanol and 5 ml of pyridine for 2 hours to 80° C., after distilling off the solvent and precipitating with water, 6-fluoro-2,2-dimethyl-4-chromanone oxime is obtained; m.p. 108-110° C.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS05955607
Quelldatensatzuspto-grants-1999_09
ORD IDord-9b8a42da1bf9488eaee2162c911c710f
Quellennotizuspto-grants-1999_09