Angewandte Chemie International Edition

Cover image for Vol. 55 Issue 44

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

45_04/2006Cover Picture: Evidence from NMR and EXAFS Studies of a Dynamically Uniform Mononuclear Single-Site Zeolite-Supported Rhodium Catalyst (Angew. Chem. Int. Ed. 4/2006)

Zeolite-supported transition-metal catalysts are of importance in the petrochemical industry. However, the fabrication and characterization of well-defined systems remains a challenge. In their Communication on page 574 ff., B. C. Gates, J. F. Haw, and co-workers present computational and experimental evidence that the rhodium complex {Rh(C2H4)2} supported on zeolite Y is a single-site catalyst with a uniform structure. The cover picture shows the rotation of the ethylene ligands about the Rh+ center (green sphere).

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Also of Interest

Serine Octamersfor001

In their Review on page 554 ff., R. G. Cooks and S. C. Nanita examine the generation of homochirality in reactions of serine octamers with the help of powerful mass-spectrometric methods.

Organic Nanotubesfor002

In their Communication on page 570 ff., J. L. Atwood and co-workers describe the synthesis of a new class of organic nanotubes from pyrogallo[4]arenes and the possibility of including multiple guests within such tubular arrays.

Grignard reagentsfor003

Mesitylcalcium iodide, a heavy Grignard reagent, and its rearrangement into 3,5-dimethylbenzylcalcium iodide are described by M. Westerhausen et al. in their Communication on page 609 ff.