Hydrogen‐bonded bilayers in 7‐benzyl‐3‐tert‐butyl‐1‐phenyl‐4,5,6,7‐tetrahydro‐1H‐spiro[pyrazolo[3,4‐b]pyridine‐5,2′‐indan]‐1′,3′‐dione
In the title compound, C31H29N3O2, the reduced pyridine ring adopts a conformation intermediate between the envelope and half‐chair forms. The aryl rings of the benzyl and phenyl substituents are nearly parallel and overlap, indicative of an intramolecular π–π stacking interaction. A combination of two C—H...O hydrogen bonds and one C—H...N hydrogen bond links the molecules into a bilayer having tert‐butyl groups on both faces.
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Document Type: Research Article
Publication date: August 15, 2013