Two isomeric 10-methyl-8-phenyl-11-pyridyl-6,8-dihydro-5H-benzo[f]pyrazolo[3,4-b]quinolines: cyclic hydrogen-bonded tetra­mers versus isolated mol­ecules

Portilla, J.; Serrano, H.; Cobo, J.; Low, J.N.; Glidewell, C.

doi:10.1107/S0108270105021876

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

IUCr IT WDC

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Figure 3
A stereoview of part of the crystal structure of (I)

, showing the formation of a cyclic hydrogen-bonded R $[{_4^4}]$ (12) tetramer generated by a $[\overline{4}]$ axis. For the sake of clarity, H atoms not involved in the motif shown have been omitted.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 61| Part 8| July 2005| Pages o490-o492

doi:10.1107/S0108270105021876

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