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2-[(7R,9S,10R,12E)-4,9-Di­hydroxy-10-methyl-5-oxo-7,8,9,10,11,14-hexa­hydro-5H-6-oxa-benzo­cyclo­dodecen-7-yl]­ethyl octanoate

✍ Scribed by Esser, Lothar ;De Brabander, Jef K.

Publisher
International Union of Crystallography
Year
2002
Tongue
English
Weight
338 KB
Volume
58
Category
Article
ISSN
1600-5368

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✦ Synopsis

Two molecules of the title compound are related by a twofold non-crystallographic symmetry operation. There is an extensive hydrogen-bonding network, as well as van der Waals interactions between alkyl groups.

📜 SIMILAR VOLUMES

(+)-(1S,2S,4S,4aR,5R,6S,9S,10S)-4-Benzyl
(+)-(1S,2S,4S,4aR,5R,6S,9S,10S)-4-Benzyl­oxy-9,10-(carbonyl­dioxy)-1-methoxy­methoxy-4a,6,8,8-tetra­methyl-7-methyl­enedodeca­hydro-6,9-ethano­benzo­cyclo­octene-5-ol
✍ Ohba, Shigeru ;Chinen, Ayako ;Matsumoto, Yuki ;Chida, Noritaka 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 264 KB

The title tetracyclic compound, C 29 H 40 O 7 , has been obtained unexpectedly in a synthetic study of the natural diterpenoid, paclitaxel. There is an intramolecular OÐHÁ Á ÁO hydrogen bond between the hydroxy and benzyloxy groups.

2-(4-Chloro­phenyl)-5-methyl-6,7,8,9,10,
2-(4-Chloro­phenyl)-5-methyl-6,7,8,9,10,11-hexa­hydro­cyclo­octa­[e][1,3]­oxazolo­[3,2-a]­pyridin-12-ium perchlorate
✍ Albov, Dmitry V. ;Rybakov, Victor B. ;Babaev, Eugene V. ;Aslanov, Leonid A. 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 294 KB

Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.004 A Ê R factor = 0.045 wR factor = 0.124 Data-to-parameter ratio = 15.7 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.