Figure 6
Packing mediated by the C5—H5⋯N5Biv hydrogen bond (orange dashed line) and the C21ar—H21⋯Cg2v interaction (blue dashed line) in 3. Cg2 represents the centre of gravity of the C12–C17 aromatic ring. [Symmetry codes: (iv) −x + 2, −y, −z + 1; (v) x + 1, y, z.] |