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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 1706575Erstellt: 25. Oktober 2026

p-Toluenesulfonic acid → 6-Acetoxy-2-naphthyl-alpha-methylacetic acid

https://huagongshe.com/reaction/1706575

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
Eduktp-Toluenesulfonic acidHCID 6101—
EduktAcetic AnhydrideHCID 7918—
EduktDesmethylnaproxenHCID 162920—
Produkt6-Acetoxy-2-naphthyl-alpha-methylacetic acidHCID 20335192—

Reaktionsschritte

A mixture of 2.2 g. of 6-hydroxy-2-naphthyl-α-methylacetic acid, 50 ml. of acetic anhydride, and 100 mg. of p-toluenesulfonic acid is stirred for four hours at 50° C. The mixture is evaporated, water is added, and the mixture is extracted with diethyl ether which is washed with water to neutrality, dried over sodium sulfate, and evaporated to yield 6-acetoxy-2-naphthyl-α-methylacetic acid.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS04207241
Quelldatensatzuspto-grants-1980_06
ORD IDord-82dfb422a80b4955bd65941467579a11
Quellennotizuspto-grants-1980_06