6654-74-6

Usage

Chemical compound

2-amino-5-nitro-1-oxo-1,2-dihydropyridinium

Properties

Nitrogen-containing heterocyclic compound
Acidic and basic properties: Can act as both an acid and a base due to the presence of functional groups
Existence in different tautomeric forms: Can undergo tautomerization, leading to different structural isomers

Uses

Reagent in organic synthesis: Used in various organic reactions due to its reactivity
Precursor in pharmaceutical and agrochemical production: Serves as a starting material for the synthesis of drugs and agricultural chemicals

Biological activity

Anti-inflammatory properties: Studied for its potential to reduce inflammation
Antibacterial activity: Investigated for its ability to inhibit bacterial growth

Upstream product

• 4214-76-0 5-nitro-pyridin-2-ylamine 
• 6654-82-6 N-(5-nitro-1-oxy-pyridin-2-yl)-acetamide 

Downstream Products

• 6654-82-6 N-(5-nitro-1-oxy-pyridin-2-yl)-acetamide 
• 4533-18-0 6-nitro-2-phenylimidazo[1,2-a]pyridine 

Relevant academic research and scientific papers

Gold-catalyzed redox synthesis of imidazo[1,2-a]pyridines using pyridine N-oxide and alkynes

A mild, catalytic, atom economical synthesis of imidazo[1,2-a]pyridines has been developed: catalytic dichloro(2-pyridinecarboxylato)gold [PicAuCl 2] in the presence of an acid produces a range of imidazo[1,2-a]pyridines in good yields starting

Synthesis of 5-nitropyridin-2-ylazo push-pull derivatives

A practical method has been devised for the synthesis of previously unknown push-pull azochromophores with 5-nitropyridin-2-yl acceptor moiety from 2-amino-5-nitro-1-oxypyridine.

Keratin dyeing compounds, keratin dyeing compositions containing them, and use thereof

Compositions for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and at least one N-oxides of six-membered rings with one or two nitrogen atoms keratin dyeing compound. A method for oxidative dyeing of keratin fibers, comprising applying such compositions in the presence of an oxidizing agent, for a period sufficient to develop the desired coloration.