A hydrogen-bonded dimer in 6-(4-bromo­phen­yl)-3-methyl-1-phenyl-4,5-dihydro-1H-pyrazolo[3,4-b]pyridine and a chain of rings built from N—H⋯N and C—H⋯π(pyridine) hydrogen bonds in 3-(4-nitro­phen­yl)-4-phenyl-1H-pyrazolo[3,4-b]pyridine

Quiroga, J.; Trilleras, J.; Hursthouse, M.B.; Cobo, J.; Glidewell, C.

doi:10.1107/S0108270110006451

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 4
A stereoview of part of the crystal structure of (II)

, showing the formation of a chain of hydrogen-bonded rings along [100] built from N—H⋯N and C—H⋯π(pyridine) interactions. For the sake of clarity, H atoms not involved in the motif shown have been omitted.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 66| Part 4| March 2010| Pages o163-o167

doi:10.1107/S0108270110006451

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