Angewandte Chemie International Edition

Cover image for Vol. 55 Issue 40

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: Spirodiporphyrins—As Binuclear Metal Complexes (Angew. Chem. Int. Ed. 25/2003)

42_25/2003The “figure-eight” cyclooctapyrrole octaphyrin-(1.1.1.0.1.1.1.0), a compound susceptible to versatile functionalization, opens a pathway to the first dispirodiporphyrinoid obtained as a binuclear nickel complex. The stage for this transformation is set by the regioselective oxidation of octaphyrin to give the diketo derivative shown in the background. Nickel ions initiate a reaction cascade with the diketone, which leads to the nickel complex of spirodicorrole. For more information see the communication by E. Vogel and K. N. Houk et al. on page 2857ff.

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