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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1814831Generated: October 27, 2026

5-Nitro-2-propoxyphenyl-5-methyl-7-cyclopentyl-3H-imidazo[5,1-f][1,2,4]-triazin-4-one → 2-(5-Amino-2-propoxyphenyl)-5-methyl-7-cyclopentyl-3H-imidazo[5,1-f][1,2,4]-triazin-4-one

https://huagongshe.com/reaction/1814831

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Nitro-2-propoxyphenyl-5-methyl-7-cyclopentyl-3H-imidazo[5,1-f][1,2,4]-triazin-4-oneHCID 135604963—
CatalystPalladiumHCID 23938—
SolventTetrahydrofuran ethanolHCID 21873804—
Product2-(5-Amino-2-propoxyphenyl)-5-methyl-7-cyclopentyl-3H-imidazo[5,1-f][1,2,4]-triazin-4-oneHCID 135604925—

Reaction Steps

Analogously to the procedure of example 42A 5.13 g (12.96 mmol) of the compound from example 43A are hydrogenated in tetrahydrofuran/ethanol (1:1) using 1.11 g of 10% Pd/C. The product is purified by silica gel chromatography using toluene and ethyl acetate as solvent gradient.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06878708B2
Source datasetuspto-grants-2005_04
ORD IDord-77b1c032bd4b456f9e89305981c59c09
Source noteuspto-grants-2005_04