Crystal structure of (+)-N-[(1R,5S,6S,9S)-5-hydroxy-methyl-3,3,9-trimethyl-8-oxo-2,4,7-trioxabi-cyclo-[4.3.0]nonan-9-yl]acetamide

In the title compound, C12H19NO6, the six-membered 1,3-dioxane ring adopts a chair-like conformation. The seat of this chair, containing two O atoms, is essentially planar, with a maximum deviation of 0.0021 (12) Å. The five-membered oxolane ring cis-fused to the 1,3-dioxane ring adopts an envelope...

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Bibliographic Details
Published in:Acta crystallographica. Section E, Crystallographic communications Crystallographic communications, 2016-05, Vol.72 (Pt 5), p.756-759
Main Authors: Oishi, Takeshi, Tsuzaki, Shun, Sugai, Tomoya, Sato, Takaaki, Chida, Noritaka
Format: Article
Language:English
Subjects:
1,3-dioxane
bicyclic compound
crystal structure
hydrogen bond
hydroxy group
oxolane
Research Communications
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Summary:In the title compound, C12H19NO6, the six-membered 1,3-dioxane ring adopts a chair-like conformation. The seat of this chair, containing two O atoms, is essentially planar, with a maximum deviation of 0.0021 (12) Å. The five-membered oxolane ring cis-fused to the 1,3-dioxane ring adopts an envelope form. The bridgehead C atom at the flap, which is bonded to the tetra-substituted C atom of the oxolane ring, deviates from the mean plane of other ring atoms by 0.539 (4) Å. In the crystal, classical O-H⋯O and N-H⋯O hydrogen bonds link the mol-ecules into a sheet structure enclosing an R 4 (4)(24) graph-set motif. Weak inter-molecular C-H⋯O inter-actions support the sheet formation.
ISSN:2056-9890
2056-9890
DOI:10.1107/s2056989016006800