Angewandte Chemie International Edition

Cover image for Vol. 55 Issue 27

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

48_19b/2009Inside Cover: hallium(I) as a Coordination Site Protection Agent: Preparation of an Isolable Zero-Valent Nickel Tris-Isocyanide (Angew. Chem. Int. Ed. 19/2009)

Binding of thallium(I) by low-valent nickel establishes the use of main-group ions as coordination site protection agents for transition-metal centers. As described by J. S. Figueroa and co-workers in their Communication on page 3473 ff., Tl(I) coordination provides a route to the preparation of a coordinatively unsaturated nickel tris-isocyanide complex. Thallium functions as a protecting group towards Lewis bases and is readily removed upon addition of halide ions.

Binding of thallium(I) by low-valent nickel establishes the use of main-group ions as coordination site protection agents for transition-metal centers. As described by J. S. Figueroa and co-workers in their Communication on page 3473 ff., Tl(I) coordination provides a route to the preparation of a coordinatively unsaturated nickel tris-isocyanide complex. Thallium functions as a protecting group towards Lewis bases and is readily removed upon addition of halide ions.

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