Acta Cryst. (2002). E58, o606-o608  [ doi:10.1107/S1600536802007754 ]

A derivative of diosgenin: (25R)-23-acetyl-3-bromo-16-acetoxy-22,26-epoxy-5-cholest-22-en-6-one

A. Castro-Méndez, J. Sandoval-Ramírez and S. Bernès

Abstract: The crystal structure of the title compound, C₃₁H₄₅BrO₅, has been determined at 0.80  Å resolution. This study demonstrates that the Marker transformation applied to a diosgenin derivative does not affect the A-D ring structure of the steroid. The configurations of the stereogenic centres C20 and C25 also remain unchanged during the reaction.

Online 11 May 2002

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