issue contents
June 2006 issue

Cover illustration: (-)-Isosantonic acid forms acid-to-ketone hydrogen-bonded catemers in the solid state, in constrast to the diasteromeric (-)-parasantonic acid, which differs only in the configuration of one chiral centre but forms acid-to-acid hydrogen-bonded catemers. See Zinczuk, Ruveda, Lalancette & Thompson [Acta Cryst. (2006), E62, o2120-o2122].