Abstract
Complexes of Ru(II) containing the pincer ligand [ −N(2-PPh 2-4-Me-C 6H 3) 2] (PNP Ph) were prepared. The complex (PNP PhH)RuCl 2 ( 1) was treated with 2 equiv AgOTf to produce the triflate complex (PNP PhH)Ru(OTf) 2 ( 2). Complex 1 was also treated with an excess of NaBH 4 to give a bimetallic complex [(PNP Ph)RuH 3] 2 ( 3). A number of methods, including X-ray crystallography, NMR spectroscopy, and computational studies, were used to probe the structure of 3. Addition of Lewis bases to 3 resulted in octahedral complexes containing a hydride ligand trans to a dihydrogen ligand.
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