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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1680478Generated: October 31, 2026

Ethanol → Ethyl 4-(1H-indol-1-yl)butanoate

https://huagongshe.com/reaction/1680478

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantPhosphorus oxychlorideHCID 24813—
ReactantHCID 10241973HCID 10241973—
ProductEthyl 4-(1H-indol-1-yl)butanoateHCID 19024819—

Reaction Steps

Phosphorus oxychloride (10 ml) was added dropwise with cooling to a stirred solution of 1-(3-carboxypropyl)indole (100 g) in ethanol (750 ml). The solution was heated under reflux for 8 hours and then evaporated. The residue was distilled to give 1-(3-ethoxycarbonylpropyl)indole (95.0 g), b.p. 164°-170° C./2 m.m.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04273782
Source datasetuspto-grants-1981_06
ORD IDord-acf9f6e179c246908b2c4ef391dbdf60
Source noteuspto-grants-1981_06