Molecular conformation and supramolecular aggregation in two fused pyrazoles: π-stackedR_{\bf 2}^{\bf 2}(6) dimers in 2,8,8-trimethyl-6,7,8,9-tetrahydropyrazolo[2,3-a]quinazolin-6-one, and sheets of alternatingR_2^2(12) andR_6^6(48) rings in 3-tert-butyl-4′,4′-dimethyl-1-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridine-5-spiro-1′-cyclohexane-2′,6′-dione
Open Access
- 20 March 2004
- journal article
- other
- Published by International Union of Crystallography (IUCr) in Acta Crystallographica Section C Crystal Structure Communications
- Vol. 60 (4), o265-o269
- https://doi.org/10.1107/s0108270104004159