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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 444455Generated: October 30, 2026

2-phenyl-6,7-dihydro-1H-indol-4(5H)-one → 2-Phenyl-1H-indol-4-ol

https://huagongshe.com/reaction/444455

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-phenyl-6,7-dihydro-1H-indol-4(5H)-oneHCID 11820462—
CatalystPalladiumHCID 23938—
SolventDiphenyl EtherHCID 7583—
Product2-Phenyl-1H-indol-4-olHCID 16741656—

Reaction Steps

The 2-phenyl-4-hydroxy-indole was synthesised from 4-oxo-2-phenyl-4,5,6,7-tetrahydroindole by aromatisation with palladium-on-charcoal in diphenyl ether and has a melting point of 120°-123° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04264599
Source datasetuspto-grants-1981_04
ORD IDord-09d70e9d589243de870a35a187099f52
Source noteuspto-grants-1981_04