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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1814830Generated: October 27, 2026

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

https://huagongshe.com/reaction/1814830

Reaction equation

Participants

RoleNameHCIDCharge
ReactantNitric AcidHCID 944—
Reactant2-(2-Propoxyphenyl)-5-methyl-7-cyclopentyl-3H-imidazo[5,1-f][1,2,4]-triazin-4-oneHCID 135604953—
SolventTrifluoroacetic acidHCID 6422—
Product5-Nitro-2-propoxyphenyl-5-methyl-7-cyclopentyl-3H-imidazo[5,1-f][1,2,4]-triazin-4-oneHCID 135604963—

Reaction Steps

Analogously to the procedure of example 41A, 10.0 g (28.4 mmol) of the compound from example 26A are nitrated in 160 ml of trifluoroacetic acid and 40 ml of 70% strength nitric acid. The product is purified by silica gel chromatography using toluene and ethyl acetate in a gradient system.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06878708B2
Source datasetuspto-grants-2005_04
ORD IDord-b1eda868f3b0479caeb4f973fd2367f3
Source noteuspto-grants-2005_04