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3β,17β-Di­acetoxy-16-(2-pyridyl­methyl­ene)androst-5-ene hydrate (1/0.46)

✍ Scribed by Vasuki, G. ;Parthasarathi, V. ;Ramamurthi, K. ;Dubey, S. ;Jindal, D. P.

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

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✦ Synopsis

In the title compound, C 29 H 37 NO 4 Á0.46H 2 O, rings A and C adopt chair conformations and ring B is in a half-chair conformation. The ®ve-membered ring D adopts an envelope conformation. The crystal structure is stabilized by weak intermolecular CÐHÁ Á ÁO interactions and van der Waals forces.

📜 SIMILAR VOLUMES

3β-Acetoxy-5-hydroxy-15β,16β-methylene-5
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✍ Zhou, Wei ;Zhong, Guang-Xiang ;Hu, Wei-Xiao ;Xia, Chun-Nian 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 354 KB

In the crystal structure of the title compound, C 22 H 30 O 4 , rings A and C have slightly distorted chair conformations, ring B shows an approximate symmetric half-chair conformation and ring D is in an envelope conformation. The molecules are connected by weak intermolecular C-HÁ Á ÁO hydrogen bo

Photochemical Reactions. V. [1] Photo-ox
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## Abstract The photo‐oxidation of the title compound (**1**) is described. The isolated products are the result of a [2 + 2] oxygen addition to the olefinic double bond of the enamide.