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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 650915Generated: October 30, 2026

4-Hydroxy-9-fluorenone → 9H-fluoren-4-ol

https://huagongshe.com/reaction/650915

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Hydroxy-9-fluorenoneHCID 16139—
ReactantHCID 178418361HCID 178418361—
CatalystPalladiumHCID 23938—
SolventEthanolHCID 702—
SolventEthyl AcetateHCID 8857—
Product9H-fluoren-4-olHCID 182640—

Reaction Steps

A partial solution of 196.2 mg (1 mmol) of 4-hydroxy-fluoren-9-one in 2 mL EtOAc and 3 mL EtOH with 40 mg 10% Pd/C was stirred under a balloon of hydrogen for 27.5 hours. The catalyst was removed by filtration through celite, washed well with EtOAc, and the filtrate evaporated. The residue was purified by plate layer chromatography with CH2Cl2-EtOAc(50:1) to give 102.7 mg of the title substance.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06277843B1
Source datasetuspto-grants-2001_08
ORD IDord-79430c54e25a4a7e9fc6f6fe2fcf2421
Source noteuspto-grants-2001_08