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International Union of Crystallography, Acta Crystallographica Section E: Structure Reports Online, 4(65), p. o814-o814, 2009

DOI: 10.1107/s160053680900899x

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3α,4α-Ep­oxy-5α-androstan-17β-yl acetate

Journal article published in 2009 by L. C. R. Andrade, J. A. Paixão ORCID, M. J. M. de Almeida, F. M. Fernandes Roleira ORCID, E. J. Tavares da Silva ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The title compound, C21H32O3, 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 acet­oxy substituent, and shows a very short Csp 3—Csp 3 bond next to the epoxide ring, which is characteristic of 3–4 epoxides. .