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Research article - Peer-reviewed, 2013

The furanosteroid viridiol

Andersson, Pierre; Broberg, Anders; Lundberg, Daniel


The asymmetric unit of the title compound, C20H18O6 (systematic name: 1,3-dihydroxy-2-methoxyfuro[4',3',2':4,5,6]-18-norandrosta-8,11,13-triene-7,17-dione), a dihydro derivative of the fungal steroid viridin, contains two molecules with similar conformations. The rings bearing the hydroxy groups adopt boat conformations. The absolute structure was assigned based on the known chirality of a precursor compound. In the crystal, molecules are linked by O-HO hydrogen bonds, generating a three-dimensional network and weak C-HO interactions consolidate the packing.

Published in

Acta Crystallographica Section E: Structure Reports Online
2013, Volume: E69, pages: o467-o468
Publisher: International Union of Crystallography