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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2267873Generated: October 31, 2026

Ethanol → 4-(2-Amino-4-methyl-phenoxy)-1H-indole-2-carboxylic acid ethyl ester

https://huagongshe.com/reaction/2267873

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
Reactant4-(3,5-Difluoro-2-nitro-phenoxy)-1H-indole-2-carboxylic acid ethyl esterHCID 66842102—
CatalystPalladiumHCID 23938—
Product4-(2-Amino-4-methyl-phenoxy)-1H-indole-2-carboxylic acid ethyl esterHCID 66842048—

Reaction Steps

138 (570 mg, 1.675 mmol) is dissolved in 150 ml of ethanol and, after addition of Pd—C (200 mg), the mixture is hydrogenated at room temperature for 2 hours. The mixture is filtrated over celite to remove the catalyst and evaporated.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07858781B2
Source datasetuspto-grants-2010_12
ORD IDord-539f01085a0d4fa5b0ea1a81c3238929
Source noteuspto-grants-2010_12