rel-(1R,6S,7S,8R,9S)-9-Methyl-8-phenyl-6-[(1S,2R)-(2-phenylcyclohexyl)oxy]-4-aza-3,5-dioxatricyclo[5.2.1.04,9]decane

rel-(1R,6S,7S,8R,9S)-9-Methyl-8-phenyl-6-[(1S,2R)-(2-phenylcyclohexyl)oxy]-4-aza-3,5-dioxatricyclo[5.2.1.04,9]decane

The structure of the title compound, C26H31NO3, was determined by X-ray crystallography. It was found to be a unique bridged tricyclic nitroso acetal. Notable features include a chair conformation of the tetrahydro-1,2-oxazine ring and a highly pyramidalized N atom [sigma angles = 314.2 (6) degrees]...

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Veröffentlicht in:Acta crystallographica. Section C, Crystal structure communications Crystal structure communications, 1996-10, Vol.52 (10), p.2561-2563
Hauptverfasser: Dixon, J. A., Swiss, K. A., Denmark, S. E.
Format: Artikel
Sprache:eng
Schlagworte:
Condensed matter: structure, mechanical and thermal properties
Crystallography, X-Ray
Exact sciences and technology
Heterocyclic compounds
Heterocyclic Compounds - chemistry
Molecular Conformation
Organic compounds
Physics
Structure of solids and liquids
crystallography
Structure of specific crystalline solids
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Beschreibung
Zusammenfassung:The structure of the title compound, C26H31NO3, was determined by X-ray crystallography. It was found to be a unique bridged tricyclic nitroso acetal. Notable features include a chair conformation of the tetrahydro-1,2-oxazine ring and a highly pyramidalized N atom [sigma angles = 314.2 (6) degrees]. The configurations of the five contiguous stereogenic centers in the nitroso acetal establish that the tandem cycloaddition sequence proceeded via an exo-[4 + 2] endo-[3 + 2] pathway.
ISSN:0108-2701
1600-5759
DOI:10.1107/S0108270196006671