Abstract
In the title compound, C29H27N3O5, a dibenz[b,f][1,4]oxazepine derivative, the cyclohexane ring adopts a chair conformation, the oxazepine seven-membered ring has a twist-boat conformation, and the piperidin-2-one ring assumes a flattened boat conformation. Intermolecular N—H⋯O hydrogen bonding between imino and nitro groups links two molecules into a centrosymmetric dimer.
Highlights
In the title compound, C29H27N3O5, a dibenz[b, f][1,4]oxazepine derivative, the cyclohexane ring adopts a chair conformation, the oxazepine seven-membered ring has a twist-boat conformation, and the piperidin-2-one ring assumes a flattened boat conformation
Professor Wei-Min Dai is thanked for his valuable suggestions
Mr Jianming Gu and Ms Xiurong Hu of the X-ray crystallography facility of Zhejiang University are acknowledged for their assistance with the crystal structural analysis
Summary
Intermolecular N—H O hydrogen bonding between imino and nitro groups links two molecules into a centrosymmetric dimer
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