Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of the Indian Chemical Society called Some reactions of 8-quinolinol N-oxide with bis(η5-cyclopentadienyl)titanium dichloride, Author is Goyal, K. C.; Khosla, B. D., which mentions a compound: 1127-45-3, SMILESS is OC1=CC=CC2=CC=C[N+]([O-])=C12, Molecular C9H7NO2, Safety of 8-Hydroxyquinoline 1-oxide.
Treating a mixture of (ε5-C5H5)2TiCl2 (I) and 8-quinolinol N-oxide (II) with NaNH2 in PhMe under reflux gave (ε5-C5H5)2TiLCl (L = N-oxido-8-quinolinolato). Treating a mixture of I and II in MeCN with Et3N gave (ε5-C5H5)2TiL2 (same L).
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Reference:
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider