9α-Fluoro-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione-21-acetate (9-fluoroprednisolone-21-acetate) |
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| Authors: | Edward J Valente Jeffrey D Zubkowski Ken S Lee René A J Driessen Kees Goubitz Milco Numan Hendrik Schenk Henry J Lee Donghoon Ko |
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| Institution: | (1) Department of Chemistry, Mississippi College, 39058 Clinton, Mississippi;(2) Department of Chemistry, Jackson State University, 39217 Jackson, Mississippi;(3) Laboratorium voor Kristallografie, Amsterdam Institute of Molecular Studies, Universiteit van Amsterdam, Nieuwe Achtergracht 166, 1018 NV Amsterdam, The Netherlands;(4) College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, 32307 Tallahassee, Florida |
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| Abstract: | The synthetic steroid 9α-fluoro-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione-21-acetate (9-fluoroprednisolone-21-acetate), formula C23H29O6F, is related to substances which are potent inducers of hepatic microsomal enzymes and anti-inflammatory agents. The structure was determined at 294 K from counter-collected data by direct methods. Crystals are tetragonal, space groupP41212,a, b=9.214(2),c=49.452(39) Å,V=4198(4), Å,D x =1.33μg/m3 forZ=8;R (onF) 0.063 for 915 independent intensities (I>2σ1). The structure shows H-bonding and packing of the mean molecular plane approximately perpendicular to the crystallographic 4-fold axis. |
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| Keywords: | Steroid pregnadiene structure crystallography infrared |
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