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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 481410Generated: October 26, 2026

Ethanol → 5-methyl-3H-benzofuran-2-one

https://huagongshe.com/reaction/481410

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
Reactant5-chloromethyl-3H-benzofuran-2-oneHCID 19066288—
CatalystPalladiumHCID 23938—
SolventEthanol ethylacetateHCID 21584252—
Product5-methyl-3H-benzofuran-2-oneHCID 10057646—

Reaction Steps

A solution of the product of Step 1, above (55) (10.89 mmol), in ethanol/ethyl acetate (23 ml/5 ml) was added to 10 ml ethanol over 10% palladium catalyst on carbon (100 mg). The mixture was hydrogenated on a Parr shaker at 45 psi for 2 hours. The reaction mixture was filtered through celite and the organics were concentrated to dryness to obtain the title compound (56).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05789415
Source datasetuspto-grants-1998_08
ORD IDord-bbbe0f91cc634aafa054f649f7c01920
Source noteuspto-grants-1998_08