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International Union of Crystallography, Acta Crystallographica Section E: Structure Reports Online, 8(64), p. o1420-o1420, 2008

DOI: 10.1107/s1600536808019478

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6β-Chloro-5α-hydr­oxy-20-oxopregnan-3β-yl acetate

Journal article published in 2008 by Rui M. A. Pinto, Manuela Ramos Silva, Jorge A. R. Salvador, José A. Paixão ORCID, Ana Matos Beja, Manuela Ramos Silva
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 steroid, C(23)H(35)ClO(4), is a pregnane derivative prepared by ring opening of the corresponding 5α,6α-ep-oxy steroid with BiCl(3). There are two symmetry-independent mol-ecules in the asymmetric unit that show no significant differences concerning bond lengths and angles. The conformation of the six-membered rings in both mol-ecules is close to a chair form, while the five-membered ring adopts an envelope conformation. All rings in both mol-ecules are trans-fused. The mol-ecules are held together by an extensive O-H⋯O hydrogen-bonding network.