Four 2-aryl-8,8-dimethyl-6,7,8,9-tetra­hydro­pyrazolo[2,3-a]quinazolin-6-ones: isolated mol­ecules, hydrogen-bonded dimers, and π-stacked chains of hydrogen-bonded dimers

Cruz, S.; Quiroga, J.; Torre, J.M. de la; Cobo, J.; Low, J.N.; Glidewell, C.

doi:10.1107/S0108270106017598

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 5
Part of the crystal structure of compound (II)

, showing the formation of a centrosymmetric R₂²(8) dimer. Hydrogen bonds are shown as dashed lines. For the sake of clarity, H atoms not involved in the motif shown have been omitted. Atoms marked with an asterisk (*) are at the symmetry position (1 − x, 1 − y, 2 − z).

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 62| Part 6| May 2006| Pages o364-o368

doi:10.1107/S0108270106017598

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