Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1903071Generated: October 27, 2026

Dihydrocoumarin → 4-(2,3-Epoxypropoxy)-1-oxoindane

https://huagongshe.com/reaction/1903071

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDihydrocoumarinHCID 660—
ReactantEpichlorohydrinHCID 7835—
ReactantSodium HydroxideHCID 14798—
Reactant4-Hydroxy-1-indanoneHCID 590547—
ReactantAluminum(III) ChlorideHCID 6451240—
Product4-(2,3-Epoxypropoxy)-1-oxoindaneHCID 12831122—

Reaction Steps

3,4-Dihydrocumarine is allowed to react with anhydrous aluminum chloride at 200° C. and the resulting 4-hydroxyindanone is allowed to react with epichlorohydrin in an aqueous solution of sodium hydroxide to give 4-(2,3-epoxypropoxy)-1-indanone (cf. Japanese Patent No. Sho-48-817).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04435397
Source datasetuspto-grants-1984_03
ORD IDord-ee2b835f7af9431b9479a4195074c11e
Source noteuspto-grants-1984_03