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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 543233Erstellt: 25. Oktober 2026

Hydrochloric Acid → 2-(Benzoylamino)-3-(3,4-dibenzoyloxyphenyl)propanoic acid

https://huagongshe.com/reaction/543233

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktHydrochloric AcidHCID 313—
EduktDL-DopaHCID 836—
EduktBenzoyl chlorideHCID 7412—
LösungsmittelSodium HydroxideHCID 14798—
Produkt2-(Benzoylamino)-3-(3,4-dibenzoyloxyphenyl)propanoic acidHCID 20205909—

Reaktionsbedingungen

Temperatur0 °C

Reaktionsschritte

In 25 ml of 0.1N NaOH, was dissolved 2 g of 2-amino-3-(3,4-dihydroxyphenyl)propanoic acid. To the resulting solution, 3.8 ml of benzoyl chloride was added dropwise. The reaction mixture was maintained at a temperature of 0° C. for the duration of the reaction. The pH was maintained in a range of approximately by the addition of 0.2N NaOH. After about 3 hours, the reaction mixture was acidified with concentrated hydrochloric acid. The precipitate was removed by filtration and taken up in boiling carbon tetrachloride. The precipitate was then crystallized to yield a 2-(benzoylamino)-3-(3,4-dibenzoyloxyphenyl)propanoic acid.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS04661510
Quelldatensatzuspto-grants-1987_04
ORD IDord-bfa7835fb3624c0694dbf56fc9c550fe
Quellennotizuspto-grants-1987_04