Angewandte Chemie International Edition

Cover image for Vol. 55 Issue 31

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: Molecular Gyroscopes: {Fe(CO)3} and {Fe(CO)2(NO)}+ Rotators Encased in Three-Spoke Stators; Facile Assembly by Alkene Metatheses (Angew. Chem. Int. Ed. 41/2004)

43_41/2004Three-fold alkene metatheses are used to access the family of molecular gyroscopes shown in the cover picture. As described by J. A. Gladysz and co-workers in their Communication on page 5537 ff. the gyroscopes consist of a phosphorus–iron–phosphorus axis, an {Fe(CO)3} or {Fe(CO)2(NO)}+ “rotator”, and three (CH2)n “spokes” that connect the phosphorus termini. These are believed to be the first systems that rigorously duplicate the connectivity and symmetry of toy gyroscopes (shown in the background).

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Also of Interest

Self-Assemblyfor001

In their Minireview on page 5446 ff. C. Nuckolls et al. report the self-assembly of hexasubstituted benzene derivatives that is directed by intermolecular hydrogen bonds between amide substituents.


Magnetic Resonance Imagingfor002

Sir Peter Mansfield illustrates in his Nobel Lecture on page 5456 ff. the principles, the experimental setup, and the practical use of magnetic resonance imaging methods in medicine.


Photomagnetic Effectsfor003

A cyanide bridged MoIVCuII6 complex undergoes photoinduced electron transfer to give a high-spin MoVCuICuII5 species. The photomagnetic properties of these compounds are described by V. Marvaud, C. Mathonière et al. in their Communication on page 5468 ff.


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