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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 413892Erstellt: 24. Oktober 2026

p-Toluenesulfonic acid → 1-(3-Acetylphenyl)-2-methyl-5-phenyl-1H-pyrrole-3-carboxylic acid ethyl ester

https://huagongshe.com/de/reaction/413892

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
Eduktp-Toluenesulfonic acidHCID 6101—
Edukt3'-AminoacetophenoneHCID 7417—
EduktEthyl 2-acetyl-4-oxo-4-phenylbutanoateHCID 312893—
LösungsmittelEthanolHCID 702—
Produkt1-(3-Acetylphenyl)-2-methyl-5-phenyl-1H-pyrrole-3-carboxylic acid ethyl esterHCID 10291357—

Reaktionsschritte

3′-Aminoacetophenone (5 mmol, 0.7 g), 3-oxo-2-(2-oxo-2-phenyl-ethyl)-butyric acid ethyl ester (5 mmol, 1.2 g), and tosic acid (0.1 g) were combined in ethanol, then heated under reflux. The resulting oil was purified over silica and yielded the named product as a solid (m.p. 102° C.-104° C.).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS06569890B2
Quelldatensatzuspto-grants-2003_05
ORD IDord-e387fed91b954fe78ef985136441d255
Quellennotizuspto-grants-2003_05