Abstract
The molecules of 10-methyl-8-phenyl-11-(3-pyridyl)-6,8-dihydro-5H-benzo[f] pyrazolo[3,4-b]quinoline, C26H20N4, (I), are linked by a single C - H⋯N hydrogen bond into cyclic R4412) tetramers generated by a 4̄ axis. In isomeric 10-methyl-8-phenyl-11-(4-pyridyl)-6,8-dihydro-5/f-benzo[/]pyrazolo[3,4-b] quinoline, (II), which crystallizes with Z′ = 2 in space group P2 1212, the two independent molecules are nearly enantiomeric but there are no direction-specific interactions between them. © 2005 International Union of Crystallography.
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CITATION STYLE
Portilla, J., Serrano, H., Cobo, J., Low, J. N., & Glidewell, C. (2005). Two isomeric 10-methyl-8-phenyl-11-pyridyl-6,8-dihydro-5H-benzo[f] pyrazolo[3,4-6]quinolines: Cyclic hydrogen-bonded tetramers versus isolated molecules. Acta Crystallographica Section C: Crystal Structure Communications, 61(8). https://doi.org/10.1107/S0108270105021876
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