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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1929175Generated: October 31, 2026

4-(4-Fluoro-2-nitro-phenoxy)-1H-indole-2-carboxylic acid ethyl ester → 4-(2-Amino-4-fluoro-phenoxy)-1H-indole-2-carboxylic acid ethyl ester

https://huagongshe.com/reaction/1929175

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(4-Fluoro-2-nitro-phenoxy)-1H-indole-2-carboxylic acid ethyl esterHCID 66841790—
CatalystPalladiumHCID 23938—
SolventEthyl AcetateHCID 8857—
Product4-(2-Amino-4-fluoro-phenoxy)-1H-indole-2-carboxylic acid ethyl esterHCID 66841521—

Reaction Steps

146 (1.5 g, 4.21 mmol) is dissolved in 200 ml of ethyl acetate 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 numberUS08183366B2
Source datasetuspto-grants-2012_05
ORD IDord-0faf26ad93f54758a3f4053630c2fdbf
Source noteuspto-grants-2012_05