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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 269338Erstellt: 24. Oktober 2026

5-bromo-N-(pyridin-3-yl)thiophene-2-sulfonamide → 5-[7-Difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid pyridin-3-ylamide

https://huagongshe.com/de/reaction/269338

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
Edukt5-bromo-N-(pyridin-3-yl)thiophene-2-sulfonamideHCID 933073—
Edukt3-Ethynyl-7-difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidineHCID 86608034—
Produkt5-[7-Difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid pyridin-3-ylamideHCID 67001281—

Reaktionsschritte

The title compound was prepared from 7-difluoromethyl-3-ethynyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.2) (169 mg, 0.5 mmol) and commercially available 5-bromo-thiophene-2-sulfonic acid pyridin-3-ylamide [CAS-No. 439934-18-6] (160 mg, 0.5 mmol) according to general procedure II. Obtained as a yellow solid (220 mg, 76%). MS (ISN) 574.1 [(M−H)−]; mp 226° C.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS07446113B2
Quelldatensatzuspto-grants-2008_11
ORD IDord-a87f0674d08b49929f524b7a561c11a3
Quellennotizuspto-grants-2008_11