2-(4-Bromophenyl)-1,2-dihydropyrimido[1,2-a]benzimidazol-4(3H)-one and 4-(4-methylphenyl)-3,4-dihydropyrimido[1,2-a]benzimidazol-2(1H)-one form hydrogen-bonded base-paired dimers

Low, J.N.; Cobo, J.; Insuasty, B.; Nogueras, M.; Salcedo, A.; Sánchez, A.

doi:10.1107/S0108270101021564

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 2
A view of the major component of (Vb

) with the atomic numbering scheme. Displacement ellipsoids are drawn at the 30% probability level and H atoms are shown as small spheres of arbitrary radii.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 58| Part 2| January 2002| Pages o125-o128

doi:10.1107/S0108270101021564

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