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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2059028Generated: November 3, 2026

Coumarin → Dihydrocoumarin

https://huagongshe.com/reaction/2059028

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCoumarinHCID 323—
CatalystPlatinum oxide (PtO)HCID 82844—
SolventEthyl AcetateHCID 8857—
ProductDihydrocoumarinHCID 660—

Reaction Steps

Coumarin (30 g, 0.205 moles) is reduced on the Parr apparatus in 200 ml ethyl acetate with 1 g platinum oxide at 40 psi. When the uptake ceased (ca. 1 hr.) the catalyst is removed by filtration and the filtrate evaporated to give a quantitate yield of dihydrocoumarin.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04321270
Source datasetuspto-grants-1982_03
ORD IDord-0084de63c87443a886a1c5f9620279f2
Source noteuspto-grants-1982_03