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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1706575Generated: October 25, 2026

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

https://huagongshe.com/reaction/1706575

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
ReactantAcetic AnhydrideHCID 7918—
ReactantDesmethylnaproxenHCID 162920—
Product6-Acetoxy-2-naphthyl-alpha-methylacetic acidHCID 20335192—

Reaction Steps

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.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04207241
Source datasetuspto-grants-1980_06
ORD IDord-82dfb422a80b4955bd65941467579a11
Source noteuspto-grants-1980_06