Dialkylbiphenylphosphane-AuI complexes exhibit only weak metal-arene interactions with the covering arene ring. However, the contacts in isoleptic AgI and CuI complexes are shorter than the limiting values of 3.03 Å (AgI) and 2.83 Å (CuI). Strong metal-arene interactions were also found in the two AgI aquo complexes and in two acetonitrile—CuI complexes with dialkylbiphenylphosphane ligands. Arene-AgI complexes with these bulky phosphane ligands show the strongest AgI—arene bonds known.
P. Pérez-Galán, N. Delpont, E. Herrero-Gómez, F. Maseras, A. M. Echavarren
Chem. Eur. J. 2010, 16, 5324-5332
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