N−H Activation of Amines and Ammonia by Ru via Metal−Ligand Cooperation
Journal of the American Chemical Society2010Vol. 132(25), pp. 8542–8543
Citations Over TimeTop 1% of 2010 papers
Abstract
A nonoxidative addition pathway for the activation of NH bonds of ammonia and amines by a Ru(II) complex is reported. The pincer complex 1 cleaves N-H bonds via metal-ligand cooperation involving aromatization of the pincer ligand without a change in the formal oxidation state of the metal. Electron-rich N-H bond substrates lead to reversible activation, while electron-poor substrates result in stable activation products. Isotopic labeling studies using ND(3) as well as density functional theory calculations were used to shed light on the N-H activation mechanism.
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