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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2198944Generated: October 30, 2026

Coumarin → Dihydrocoumarin

https://huagongshe.com/reaction/2198944

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 numberUS04360532
Source datasetuspto-grants-1982_11
ORD IDord-c7de461c9cdc44a682e3f0a317befd4a
Source noteuspto-grants-1982_11