Angewandte Chemie International Edition

Cover image for Vol. 53 Issue 28

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, Zeitschrift für Chemie

50_29i/2011Inside Cover: A Facile Palladium-Mediated Contraction of Benzene to Cyclopentadiene: Transformations of Palladium(II) p-Benziporphyrin (Angew. Chem. Int. Ed. 29/2011)

The fundamental reactivity of the benzene unit can be altered by metal···(C-C) interactions that arise from encapsulating the specific donor center (C C N N N) in the porphyrinic core of palladium(II) p-benziporphyrin. In their Communication on page 6587 ff., L. Latos-Grażyński and co-workers describe the remarkable, facile palladium(II)-mediated contraction of p-phenylene to cyclopentadiene to afford 21-carbaporphyrin complexes.

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