Acta Cryst. (2004). C60, o408-o410  [ doi:10.1107/S010827010400839X ]

(-)-Parasantonic acid and its enol lactone, (+)-parasantonide: observation of the rare acid-to-acid catemeric hydrogen-bonding mode in a ,-diketocarboxylic acid

J. Zinczuk, E. A. Ruveda, H. W. Thompson and R. A. Lalancette

Formula: C₁₅H₂₀O₄ and C₁₅H₁₈O₃

Online 11 May 2004

Copyright © International Union of Crystallography
IUCr Webmaster