Abstract
2-[(Dimethylamino)methyl] phenylcopper and its 5-methyl and 5-methoxy analogues are tetrameric in benzene. 5-Methyl-2-[(dimethylamino)methyl]phenylcopper is tetrameric in the solid state (X-ray structure determination). The bonding in this tetranuclear cluster (Cu---Cu 2.38 Å, multicenter bonded aryl groups) is discussed. NMR spectroscopy provides indications that Cu---N coordination observed in the solid is weak
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