Abstract
In the title compound, C18H13BrN4S·C3H7NO, the thiopyran ring and the adjacent six-numbered ring adopt distorted boat conformations. The molecules, lying about inversion centers, form hydrogen-bonded dimers involving one of the H atoms on the amino group with the N atom of a cyano group of an adjacent molecule, resulting in a 12-membered ring system [R 2 2(12) ring motif]. The other H atom of the amino group forms an intermolecular hydrogen bond with the O atom of the dimethylformamide (DMF) molecule. Another lone pair of electrons on the same carbonyl O atom of DMF molecule forms a non-classical C—H⋯O intermolecular hydrogen bond, resulting in a chain of molecules.
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