Structural comparisons of isomeric series of 7-aryl-benzo[h]pyrazolo[3,4-b]quinolines and 11-aryl-benzo[f]pyrazolo[3,4-b]quinolines

Portilla, J.; Quiroga, J.; Nogueras, M.; de la Torre, J.M.; Cobo, J.; Low, J.N.; Glidewell, C.

doi:10.1107/S0108768107065743

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 5
Stereoviews of parts of the crystal structure of (VIII) showing (a) the formation of a chain of rings along [100] built from two C—H⋯π(pyridyl) hydrogen bonds and one C—H⋯π(aryl) hydrogen bond; (b) the formation of a chain of rings along [001] built from two C—H⋯π(pyridyl) and two C—H⋯π(aryl) hydrogen bonds. For the sake of clarity the H atoms not involved in the motifs shown have been omitted.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 64| Part 1| January 2008| Pages 72-83

doi:10.1107/S0108768107065743

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