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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 1587778Erstellt: 25. Oktober 2026

Potassium Carbonate → 4,5-Dihydro-6-methyl-7-[3-(trifluoromethyl)phenyl]-4-[[4[[3-(trifluoromethyl)phenyl]methyl]1-piperazinyl]acetyl]pyrazolo[1,5-a]pyrimidine-3-carbonitrile, hydrochloride

https://huagongshe.com/reaction/1587778

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktPotassium CarbonateHCID 11430—
Edukt1-(3-(Trifluoromethyl)benzyl)piperazineHCID 2060855—
Edukt4-(Chloroacetyl)-4,5-dihydro-6-methyl-7-[3-(trifluoromethyl)phenyl]pyrazolo[1,5-a]-pyrimidine-3-carbonitrileHCID 15101085—
LösungsmittelTolueneHCID 1140—
Produkt4,5-Dihydro-6-methyl-7-[3-(trifluoromethyl)phenyl]-4-[[4[[3-(trifluoromethyl)phenyl]methyl]1-piperazinyl]acetyl]pyrazolo[1,5-a]pyrimidine-3-carbonitrile, hydrochlorideHCID 131716670—

Reaktionsschritte

A mixture of 1.83 g of 4-(chloroacetyl)-7-[3(trifluoromethyl)phenyl]-4,5-dihydro-6-methylpyrazolo[1,5-a]pyrimidine-3-carbonitrile, 1.5 g of 3(trifluoromethyl)benzylpiperazine, 2 g of potassium carbonate and 60 ml of toluene was reacted as described in Example 16, giving the base form of the product, which was converted to the hydrochloride salt by the procedure of Example 97, giving 1.78 g, mp 195°-198°.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS05219857
Quelldatensatzuspto-grants-1993_06
ORD IDord-352b2b743ab44e6987b80e8111b64c26
Quellennotizuspto-grants-1993_06