In the title molecule, C24H26Cl2N6S2, the two phenyl rings form a dihedral angle of 51.95 (7)° and the distance between their centroids is 4.156 (8) Å. The crystal packing exhibits weak intermolecular C—H⋯S and C—H⋯N hydrogen bonds.
In the title molecule, C26H22Br4N4O6, the dihedral angle between the aromatic rings is 30.0 (1)°. One ethyl fragment is disordered between two positions in a 1:1 ratio. The crystal packing exhibits weak intermolecular C—H⋯O hydrogen bonds and short Br⋯O contacts of 3.349 (6) Å.
In the title compound, C21H17N, synthesized by a three-component coupling reaction in the presence of copper(I) iodide, the N-bound phenyl rings form a dihedral angle of 72.5 (1)° with each other. Thereare no remarkable interactions in the crystal structure.
In the title molecule, C24H31N5O6, the two ethyl fragments are each disordered over two conformations [occupancy ratios 0.58 (13)/0.42 (13) and 0.56 (12)/0.44 (12)]. The crystal packing exhibits intermolecular non-classical C—H⋯O hydrogen bonds and π–π interactions between benzene rings [centroid–centroid distances = 3.836 (5) Å].
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