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(3R*,6S*,6aR*,9S*,9aS*)-6,6a,9-Trihydroxy-3,6,9a-trimethyl­perhydro­azuleno[1,2-b]furan-2-one

✍ Scribed by Swamy, G. Y. S. K. ;Ravikumar, K. ;Das, Biswanath ;Mahender, G.


Publisher
International Union of Crystallography
Year
2004
Tongue
English
Weight
333 KB
Volume
61
Category
Article
ISSN
1600-5368

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✦ Synopsis


A view of (I), with the atomic numbering scheme. Displacement ellipsoids are drawn at the 30% probability level.


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(6aR)-1-Hydroxy-2,2,6a,6b,9,9,12a-heptam
✍ Flekhter, Oxana B. ;Medvedeva, Natalya I. ;Suponitsky, Kyrill Yu. 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 250 KB

The title compound, C 34 H 56 O 5 , an oleanane triterpene, is a key intermediate in the synthetic route from betulin to 18(19)oleanene triterpenoids. In the molecule, all bond lengths and angles are normal. The hydroxy groups are involved in intermolecular O-HÁ Á ÁO hydrogen bonds, which link the m