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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 476636Generated: October 30, 2026

Ethanol → 5-Ethoxy-1,5-dihydro-2H-pyrrol-2-one

https://huagongshe.com/reaction/476636

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
Reactant87710-47-2HCID 353549—
Product5-Ethoxy-1,5-dihydro-2H-pyrrol-2-oneHCID 13328432—

Reaction Steps

A mixture of 2.3 g of 1,5-dihydro-5-hydroxy-2H-pyrrol-2-one in 140 cm3 of ethanol and 100 g of Amberlite resin IR-120 (H) is taken to reflux for 30 minutes. After allowing to cool, filtering off the resin and distilling the ethanol off under reduced pressure, 2.76 g of the expected product is obtained, m.p. 50°-52° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04885307
Source datasetuspto-grants-1989_12
ORD IDord-b86384fcb80b44178ebb443b4e54f4b1
Source noteuspto-grants-1989_12