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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 1944709Erstellt: 25. Oktober 2026

Formamide → 4-Phenyl-1,3-oxazole

https://huagongshe.com/reaction/1944709

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktFormamideHCID 713—
EduktPhenacyl bromideHCID 6259—
LösungsmittelWaterHCID 962—
LösungsmittelEthyl AcetateHCID 8857—
Produkt4-Phenyl-1,3-oxazoleHCID 58927939,1%

Reaktionsbedingungen

Temperatur130 °C

Reaktionsschritte

Bromoacetophenone (595 mg, 2.99 mmol) and formamide (1781 μl, 44.8 mmol) were combined and heated at 130° C. for 90 min. The reaction was cooled then dilute with ethyl acetate and water and extracted with ethyl acetate. The organic layer was dried over sodium sulfate, filtered, and concentrated. The concentrate was purified by chromatography on a Biotage 25M column using a 5-8% ethyl acetate in heptane gradiant to yield 4-phenyl-oxazole (170 mg, 1.17 mmol). TLC (5% ethyl acetate in heptane) of product: Rf=0.28.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS08394858B2
Quelldatensatzuspto-grants-2013_03
ORD IDord-052b546579ef47e1bf8a809b91d1baf8
Quellennotizuspto-grants-2013_03