Figure 3
A view of π–π stacking interactions in (I). Cg1 is the centroid of the imidazole ring, Cg2 that of the pyrimidine ring, Cg3 that of the phenyl ring. Dashed lines indicate stacking interactions. Symmetry codes: (i) 1 − x, −y, − + z; (ii) + x, − y, z. |