17,17-ethylenedioxyandrost-4-ene-3,6-dione and 17,17-ethylenedioxyandrosta-1,4-diene-3,6-dione

Anthony, A. ; Jaskolski, M. ; Nangia, A. ; Desiraju, G. R. (1998) 17,17-ethylenedioxyandrost-4-ene-3,6-dione and 17,17-ethylenedioxyandrosta-1,4-diene-3,6-dione Acta Crystallographica Section C: Crystal Structure Communications, 54 . pp. 1894-1898. ISSN 0108-2701

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Official URL: http://scripts.iucr.org/cgi-bin/paper?ka1285

Related URL: http://dx.doi.org/10.1107/S0108270198008385


The crystal structures of 17, 17-ethylenedioxyandrost-4-ene-3,6-dione, C21H28O4, and 17, 17-ethylenedioxyandrosta-1,4-diene-3,6-dione, C21H26O4, intermediates in the synthesis of heteroandrogenic aromatase inhibitors, have been determined. Both structures are stabilized by C- H…O hydrogen bonds, highlighting the importance of weak interactions in influencing packing motifs in general and the conformation of the flexible dioxolane ring in particular.

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