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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 620671Erstellt: 25. Oktober 2026

Trifluoroacetic acid → 4-(2-Propenyl)-1-methyl-5-pyrazole sulfonamide

https://huagongshe.com/reaction/620671

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktTrifluoroacetic acidHCID 6422—
Edukt4-(1-Hydroxypropyl)-1-methyl-5-tert-butylpyrazolesulfonamideHCID 21243739—
Produkt4-(2-Propenyl)-1-methyl-5-pyrazole sulfonamideHCID 21243741—

Reaktionsschritte

The alcohol (3.0 g) from Example 3 was stirred in 25 ml of trifluoroacetic acid at 68° C. for 30 minutes. The solution was allowed to cool to room temperature, and the volatile components were removed in vacuo to afford 510 mg of the desired sulfonamide, m.p. 157°-161° C.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS04822403
Quelldatensatzuspto-grants-1989_04
ORD IDord-87a32f0f385641ae8075ac023a4c575f
Quellennotizuspto-grants-1989_04