Angewandte Chemie International Edition

Cover image for Vol. 54 Issue 18

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

51_29i/2012Inside Cover: Csp3-H Bond Activation Triggered by Formation of Metallacycles: Rhodium(I)-Catalyzed Cyclopropanation/Cyclization of Allenynes (Angew. Chem. Int. Ed. 29/2012)

Transition-metal-catalyzed activations of Csp3-H bonds usually need the assistance of directing groups for site-selective activation. In their Communication on page 7305 ff., Y. Oonishi, Y. Sato, and co-workers describe a new method for the activation of Csp3-H bonds; this activation is triggered by the formation of a metallacycle. In the picture, the statue of Dr. William S. Clark points out the hydrogen that should be activated in the key step of this reaction.

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