In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Direct, catalytic, and regioselective synthesis of 2-alkyl-, aryl-, and alkenyl-substituted N-heterocycles from N-oxides, published in 2014-02-07, which mentions a compound: 1127-45-3, mainly applied to substituted heterocycle preparation; Grignard reagent heterocycle regioselective alkylation arylation copper catalyst, Synthetic Route of C9H7NO2.
A one-step transformation of heterocyclic N-oxides to 2-alkyl-, aryl-, and alkenyl-substituted N-heterocycles is described. The success of this broad-scope methodol. hinges on the combination of copper catalysis and activation by lithium fluoride or magnesium chloride. The utility of this method for the late-stage modification of complex N-heterocycles is exemplified by facile syntheses of new structural analogs of several antimalarial, antimicrobial, and fungicidal agents.
In addition to the literature in the link below, there is a lot of literature about this compound(8-Hydroxyquinoline 1-oxide)Synthetic Route of C9H7NO2, illustrating the importance and wide applicability of this compound(1127-45-3).
Reference:
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider