In the title compound, C 31 H 24 N 4 O 2 , the quinoxaline units are distinctly non-planar and twisted end-to-end. In the crystal, C—H...O and C—H...N hydrogen bonds link the molecules into chains extending along the a -axis direction. The chains are linked through π-stacking interactions between inversion-related quinoxaline moieties.
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Abad et al. (2024) studied this question.
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