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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 262288Generated: October 25, 2026

3-Phenylindole → 3-phenyl-2,3-dihydro-1H-indole

https://huagongshe.com/reaction/262288

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-PhenylindoleHCID 96502—
ReactantTrifluoroborane HydrofluorideHCID 9855450—
CatalystPalladiumHCID 23938—
SolventEthanolHCID 702—
Product3-phenyl-2,3-dihydro-1H-indoleHCID 1093235347%

Reaction Steps

A mixture of 4.0 g of 3-phenylindole, 80 ml of 86% ethanol, 35 ml of 48% hydrofluoroboric acid and 0.25 g of 10% Pd/C was hydrogenated at 60 p.s.i. and 60° C. for 18 hours. The reaction mixture was worked up as in Example 2 and 1.9 g of pure 3-phenylindoline was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04153789
Source datasetuspto-grants-1979_05
ORD IDord-0a4712bbb69d4e66aa50b5d642860249
Source noteuspto-grants-1979_05