Angewandte Chemie International Edition

Cover image for Vol. 55 Issue 36

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

50_46b/2011Back Cover: Tuning Chemoselectivity in Iron-Catalyzed Sonogashira-Type Reactions Using a Bisphosphine Ligand with Peripheral Steric Bulk: Selective Alkynylation of Nonactivated Alkyl Halides (Angew. Chem. Int. Ed. 46/2011)

Iron complexes synthesized from iron salts and a newly developed bisphosphine ligand are described by M. Nakamura et al. in their Communication on page 10 973 ff. These complexes were used to achieve the Csp3-center-selective alkynylation of nonactivated alkyl halides. Thus, this method uses iron complexes to forge substituted alkynes in a new practical synthesis just as the picture shows the forging of a samurai sword from iron.

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