Sasaki, Yoshio et al. published their research in Yakugaku Zasshi in 1969 | CAS: 5448-43-1

6-Chloroquinoxaline (cas: 5448-43-1) belongs to quinoxaline derivatives. Quinoxalines are important class of heterocyclic compounds, associated with wider pharmacological applications. Quinoxalines are used in the treatment of bacterial, cancer, and HIV infections. Moreover, varenicline, a clinical drug is used for treating nicotine addiction, also contains quinoxaline moiety.Application In Synthesis of 6-Chloroquinoxaline

Proton magnetic resonance spectra in aromatic systems. XIII. Heteroaromatic series. 5. 6-Substituted quinoxalines was written by Sasaki, Yoshio;Hatanaka, Minoru;Suzuki, Miyoko. And the article was included in Yakugaku Zasshi in 1969.Application In Synthesis of 6-Chloroquinoxaline This article mentions the following:

The chem. shifts of the ring 1H of 6-quinoxalines have been corrected for N anisotropy, N elec. field, and ring current effects. The corrected shifts have also been correlated with the substituent constants σπ, and those corresponding to the π-electron charge density-ρ-distributions were estimated, and converted to ρ values. In the experiment, the researchers used many compounds, for example, 6-Chloroquinoxaline (cas: 5448-43-1Application In Synthesis of 6-Chloroquinoxaline).

6-Chloroquinoxaline (cas: 5448-43-1) belongs to quinoxaline derivatives. Quinoxalines are important class of heterocyclic compounds, associated with wider pharmacological applications. Quinoxalines are used in the treatment of bacterial, cancer, and HIV infections. Moreover, varenicline, a clinical drug is used for treating nicotine addiction, also contains quinoxaline moiety.Application In Synthesis of 6-Chloroquinoxaline

Referemce:
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider