Acta Cryst. (2005). E61, o3127-o3128  [ doi:10.1107/S1600536805027303 ]

1,6,6-Trimethyl-1,2,6,7,8,9-hexahydrophenanthro[1,2-b]furan-10,11-dione

L. Zhang, J.-K. Wang and Y. Qu

Abstract: The title compound, C₁₉H₂₀O₃, is widely used in China to treat coronary heart diseases. The asymmetric unit contains two independent molecules in which both the five- and the terminal six-membered rings adopt half-chair conformations.

Online 7 September 2005

Copyright © International Union of Crystallography
IUCr Webmaster