Gupta, Rajeshwar Dayal; Manku, G. S.; Bhat, A. N.; Jain, Bimal D. published the article 《Spectrophotometric determination of ruthenium(III) and iridium(IV) with 8-hydroxyquinoline N-oxide》. Keywords: photometry ruthenium iridium determination; hydroxyquinoline oxide ruthenium iridium determination; ruthenium determination; iridium determination; stability hydroxyquinoline oxide metal complex; complex metal hydroxyquinoline oxide stability.They researched the compound: 8-Hydroxyquinoline 1-oxide( cas:1127-45-3 ).Name: 8-Hydroxyquinoline 1-oxide. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:1127-45-3) here.
The spectrophotometric characteristics and the stability constants of the yellow to brown 1:1 and 1:2 complexes of Pt metals with 8-hydroxyquinoline N-oxide (I) (existing as chloro mixed-ligand complexes) have been investigated. I can be used as a spectrophotometric reagent for Ru(II) and Ir(IV).
Although many compounds look similar to this compound(1127-45-3)Name: 8-Hydroxyquinoline 1-oxide, numerous studies have shown that this compound(SMILES:OC1=CC=CC2=CC=C[N+]([O-])=C12), has unique advantages. If you want to know more about similar compounds, you can read my other articles.
Reference:
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider