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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 464129Erstellt: 24. Oktober 2026

Bromine → 3-Bromo-5-(trifluoromethyl)pyridin-2(1H)-one

https://huagongshe.com/de/reaction/464129

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktBromineHCID 24408—
Edukt2-Hydroxy-5-(trifluoromethyl)pyridineHCID 147443—
LösungsmittelAcetic AcidHCID 176—
Produkt3-Bromo-5-(trifluoromethyl)pyridin-2(1H)-oneHCID 1349177575,8%

Reaktionsschritte

0.4 g of 5-trifluoromethyl-2-pyridone was dissolved in 10 ml of acetic acid, and 0.4 g of bromine was added to the solution which was subsequently reacted for 4 hours while stirring. After completion of the reaction, the acetic acid was distilled off, and recrystallization was carried out from a mixed solvent of methylene chloride and n-hexane to obtain 0.45 g of the titled compound having a melting point of 162° to 165° C.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS04546191
Quelldatensatzuspto-grants-1985_10
ORD IDord-e3812815ec9d471faee9967cbaf14091
Quellennotizuspto-grants-1985_10