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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1576555Generated: November 3, 2026

Acetic Anhydride → 1-Acetoxy-2-(carbethoxymethyl)cyclopent-1-ene

https://huagongshe.com/reaction/1576555

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
Reactantp-Toluenesulfonic acid monohydrateHCID 521998—
ReactantEthyl 2-(2-oxocyclopentyl)acetateHCID 2723663—
Product1-Acetoxy-2-(carbethoxymethyl)cyclopent-1-eneHCID 20324204—

Reaction Steps

In the manner described in Example 20, treatment of 2-(carbethoxymethyl)cyclopentan-1-one (Example 19) with acetic anhydride and p-toluenesulfonic acid monohydrate gives an oil, b.p. 130°-131°C. (7 mm).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03981868
Source datasetuspto-grants-1976_09
ORD IDord-4257ad8a283e4a9793ce5fa07e0c8dcc
Source noteuspto-grants-1976_09