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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 2292074Erstellt: 25. Oktober 2026

Ethanol → 1-(3,5-Dichlorophenyl)-4-ethoxycarbonyl-5-pyrazolecarboxamide

https://huagongshe.com/reaction/2292074

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktEthanolHCID 702—
Edukt1H-Pyrazole-4-carboxylic acid, 5-(aminocarbonyl)-1-(3,5-dichlorophenyl)-HCID 163896—
Produkt1-(3,5-Dichlorophenyl)-4-ethoxycarbonyl-5-pyrazolecarboxamideHCID 14421312—

Reaktionsschritte

Two g of the compound of Example 2 was suspended in 80 ml of absolute ethanol and hydrogen chloride gas was bubbled through for 5 minutes. The mixture was then heated under reflux for 2 hours and cooled, and was then filtered. The solids were collected and dried to obtain 1.25 g of the desired product, m.p. 164°-166°.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS04801326
Quelldatensatzuspto-grants-1989_01
ORD IDord-7f1b5a849c28415ea8af0e90f2f5a581
Quellennotizuspto-grants-1989_01