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3β-Acet­oxy-16β-hydroxy­pregn-5-ene-20-carboxylic acid 16-lactone (vespertilin acetate)

✍ Scribed by Flores-Alamo, Marcos ;Rosiles-Exkiws, Jose A. ;Iglesias-Arteaga, Martin A.

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
144 KB
Volume
62
Category
Article
ISSN
1600-5368

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In the title molecule, C 22 H 29 ClO 4 , all bond lengths and angles show normal values. Rings A and C have slightly distorted chair conformations, while rings B and D show envelope conformations. Weak intermolecular C-HÁ Á ÁO hydrogen bonds link the molecules into chains running along the b axis.

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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

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Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.005 A Ê R factor = 0.050 wR factor = 0.154 Data-to-parameter ratio = 9.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.