(3R,5S,6S,8R,10S)-8-Acetyl-7-hydroxy-3-isopropenyl-10-methylperhydrophenanthren-1-one
✍ Scribed by Kooijman, Huub ;Sarabèr, Florence C. E. ;Groot, Aede de ;Spek, Anthony L.
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 184 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
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## Note X-Ray structure of (5S,8R,9R, 10s)~8,9,10-triacetoxy-3-acetyl-1,6-dioxa-3-azaspiro[4S]decane, a spiropyranose derivative
The molecule of the title compound, C~20~H~34~O~4~, is centrosymmetric. In the crystal structure, a network of O—H...O hydrogen bonds result in each molecule being linked to four neighbouring molecules and a two-dimensional net is formed.
The title compound, C 12 H 22 N 2 O 6 , is a linearly fused di(trihydroxypiperido)piperazine. The three six-membered rings adopt chair conformations with all the hydroxyl groups equatorial, and the ring fusion is the unusual trans±cisoid±cis.
The stereochemistry of the oxirane bridge of the title compound, C 29 H 48 O 2 , has been confirmed by single-crystal X-ray diffraction.