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. |