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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. .
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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