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https://hdl.handle.net/10316/110234| Title: | 3α,4α-Ep-oxy-5α-androstan-17β-yl acetate | Authors: | Andrade, L. C. R. Paixão, J. A. Almeida, M. J. M. de Roleira, F. M. Fernandes Tavares da Silva, E. J. |
Keywords: | single-crystal X-ray study; T = 293 K; mean (C–C) = 0.004 A°; R factor = 0.044; wR factor = 0.135; data-to-parameter ratio = 9.7 | Issue Date: | 25-Mar-2009 | Publisher: | International Union of Crystallography | Project: | FCT | Serial title, monograph or event: | Acta Crystallographica Section E: Structure Reports Online | Volume: | 65 | Issue: | Pt 4 | Abstract: | The title compound, C(21)H(32)O(3), results from modifications of the A and D rings of the aromatase substrate androstenedione. Ring A adopts a conformation between 10β-sofa and 1α,10β half-chair. Rings B and C are in slightly flattened chair conformations. Ring D approaches a 13β-envelope conformation, probably due to the acet-oxy substituent, and shows a very short Csp(3)-Csp(3) bond next to the epoxide ring, which is characteristic of 3-4 epoxides. . | URI: | https://hdl.handle.net/10316/110234 | ISSN: | 1600-5368 | DOI: | 10.1107/S160053680900899X | Rights: | openAccess |
| Appears in Collections: | FFUC- Artigos em Revistas Internacionais FCTUC Física - Artigos em Revistas Internacionais |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| 34Epoxy5androstan17yl-acetateActa-Crystallographica-Section-E-Structure-Reports-Online.pdf | 301.03 kB | Adobe PDF | View/Open |
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