Zurück
HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 1447894Erstellt: 26. Oktober 2026

3-Dimethylamino-4'-ethylacrylophenone → Ethyl 7-(p-ethylphenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate

https://huagongshe.com/reaction/1447894

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
Edukt3-Dimethylamino-4'-ethylacrylophenoneHCID 53833899—
EduktHCID 178469928HCID 178469928—
LösungsmittelAcetic AcidHCID 176—
ProduktEthyl 7-(p-ethylphenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylateHCID 11483299—

Reaktionsschritte

A mixture of 4.07 g. of 3-dimethylamino-4'-ethylacrylophenone and 3.10 g. of ethyl 3-aminopyrazole-4-carboxylate in 25 ml. of glacial acetic acid is refluxed for 20 hours. The compound is recovered from the reaction in the previously described fashion to yield crystals, m.p. 101°-103° C.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS04178449
Quelldatensatzuspto-grants-1979_12
ORD IDord-aca8d712d3184de7a05dab8455ee7c43
Quellennotizuspto-grants-1979_12