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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 227700Generated: October 30, 2026

3-(4-Fluorophenyl)-5-nitro-1H-indazole → 3-(4-fluorophenyl)-1H-indazol-5-amine

https://huagongshe.com/reaction/227700

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(4-Fluorophenyl)-5-nitro-1H-indazoleHCID 53439742—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
Product3-(4-fluorophenyl)-1H-indazol-5-amineHCID 2248028481.7%

Reaction Steps

The product from Step (c) (0.5 g, 1.94 mmol) was dissolved in methanol (50 ml) and treated with 5 wt % Palladium on charcoal (0.15 g). The reaction mixture was pressurized with 50 psi of H2 and stirred for 4 hours. The reaction was filtered and concentrated in vacuo to afford the title compound (0.36 g, 81%); MS (ES+) m/e 229 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07560467B2
Source datasetuspto-grants-2009_07
ORD IDord-8bc3732789974c78ae918fca381d4a34
Source noteuspto-grants-2009_07