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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 1107695Erstellt: 26. Oktober 2026

Formamide → Ethyl 4-methyloxazole-5-carboxylate

https://huagongshe.com/reaction/1107695

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktFormamideHCID 713—
EduktPotassium CarbonateHCID 11430—
EduktEthyl 2-chloroacetoacetateHCID 11858—
ProduktEthyl 4-methyloxazole-5-carboxylateHCID 8855839,8%

Reaktionsbedingungen

Temperatur120 °C

Reaktionsschritte

To ethyl-2-chloroacetoacetate(5.6 g) was added formamide(4.6 g). The reaction mixture was stirred at 120° C. for 12 hours, cooled to 0° C. and aqueous potassium carbonate was added thereto. The mixture was extracted with benzene, dried with anhydrous magnesium sulfate, and concentrated in vacuo to obtain the target product(2.1 g).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS06063778
Quelldatensatzuspto-grants-2000_05
ORD IDord-5df6a61042a447b080cb08964bf943f0
Quellennotizuspto-grants-2000_05