Acta Cryst. (2009). E65, o238  [ doi:10.1107/S1600536808043912 ]

2,2,7,7-Tetramethyl-1,2,3,6,7,8-hexahydrocinnolino[5,4,3-cde]cinnoline

J.-H. Peng, W.-J. Hao and S.-J. Tu

Abstract: The asymmetric unit of the title compound, C₁₆H₂₀N₄, contains two half-molecules, which are completed by crystallographic inversion symmetry. The pyridazine rings are conjugated and the cyclohexane rings adopt envelope conformations.

Online 8 January 2009

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