Crystal structures of 2,3-bis­(thio­phen-2-yl)pyrido[2,3-b]pyrazine and 7-bromo-2,3-bis­(thio­phen-2-yl)pyrido[2,3-b]pyrazine

Popek, R.; Crundwell, G.

doi:10.1107/S2056989018016882

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 6
Intermolecular interactions in the crystal of 2, highlighting the two-dimensional network of C—H⋯Br (brown dotted lines) and C—H⋯N (blue dotted lines) interactions that lie in the same plane. The dangling contacts on the thienyl rings, indicating C—H⋯π (thienyl ring) and C—H⋯π (pyridopyrazine) interactions, are shown with white dotted lines.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 75| Part 1| January 2019| Pages 89-93

https://doi.org/10.1107/S2056989018016882

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