Angewandte Chemie International Edition

Cover image for Vol. 55 Issue 41

Editor: Peter Gölitz, Deputy Editors: Neville Compton, Haymo Ross

Online ISSN: 1521-3773

Associated Title(s): Angewandte Chemie, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemistryOpen, ChemPlusChem, Zeitschrift für Chemie

Cover Picture: Crystal Structure of Tricolorin A: Molecular Rationale for the Biological Properties of Resin Glycosides Found in Some Mexican Herbal Remedies (Angew. Chem. Int. Ed. 44/2004)

43_44/2004In traditional Mexican farming the morning glory “heavenly blue” (Ipomea tricolor Cav.) is used as a cover crop. The structure of tricolorin A, one of several phytotoxic resin glycosides present in this plant, has now been determined crystallographically. The lipopolysaccharide contains one macrolactone ring and forms channel structures, which could be responsible for the biological activity of this compound, as reported by R. Pereda-Miranda, A. Imberty, and co-workers in their Communication on page 5918 ff.

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Also of Interest

Carbene Dimerizationfor001

R. W. Alder et al. give an overview of the thermodynamics, kinetics, and mechanisms of the dimerization of diaminocarbenes in their Review on page 5896 ff., in which they consider both experimental results and those from DFT calculations.

Bioinorganic Chemistryfor002

In their Communication on page 5914 ff., P. J. Sadler and co-workers describe how a trinuclear oxo–zirconium(iv) cluster forms in the binding site of bacterial transferrin.

Mesoporous Materialsfor003

The directed synthesis of two- and three-dimensional mesoporous iron oxide structures by varying the aging conditions is presented by F. Jiao and P. G. Bruce in their Communication on page 5958 ff.