Infrared spectra of unsaturated N-heterocyclic compounds. I. Quinoxaline and derivatives was written by Perkampus, H. H.;Roders, A.. And the article was included in Zeitschrift fuer Naturforschung, Teil B: Anorganische Chemie, Organische Chemie, Biochemie, Biophysik, Biologie in 1960.Reference of 5448-43-1 This article mentions the following:
The regularities within the range of the nonplanar C-H deforming vibrations depending on the number of substituents of the benzene nucleus are applied on quinoxaline and 17 of its derivative Also this class of compound can be joined to the known schedule. In the experiment, the researchers used many compounds, for example, 6-Chloroquinoxaline (cas: 5448-43-1Reference of 5448-43-1).
6-Chloroquinoxaline (cas: 5448-43-1) belongs to quinoxaline derivatives. Condensed heterocycles of quinoxalines have become attractive targets in synthetic and medicinal chemistry due to their significant biological activities. Quinoxaline and its analogues may also be formed by reduction of amino acids substituted 1,5-difluoro-2,4-dinitrobenzene (DFDNB),One study used 2-iodoxybenzoic acid (IBX) as a catalyst in the reaction of benzil with 1,2-diaminobenzene.Reference of 5448-43-1
Referemce:
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider