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Recent developments in the chemistry of osmium complexes with POP-ligands

AuthorsMartín, Jaime; García-Yebra, Cristina ; Oñate, Enrique ; Esteruelas, Miguel A.
Issue Date2017
CitationX International School On Organometallic Chemistry Marcial Moreno Mañas (2017)
AbstractDiphosphine pincer ligands develop marked abilities to stabilize metal complexes capable of activating inert bonds. Those based on POP-skeletons have particular interest due to the hemilabile properties of the central oxygen atom. We have recently reported the formation of molecular hydrogen kinetically-controlled by osmium polyhydride complexes stabilized by a POP pincer ligand. During the process, the ligand changes its coordination fashion mode from κ3-fac to κ3-mer to κ2-P,P’ bidentate to form polyhydrides with nonclassical interactions and classical polyhydrides. Related POP osmium systems stabilize elongated σ-borane and σ-borane species towards B-H bond activation. The new osmium-borane complexes have been isolated and their identity confirmed by both spectroscopic characterization and theoretical studies. Here we present our preliminary results in the context of new POP-Osmium polyhydrides with a hydroxide ligand.
DescriptionResumen del póster presentado a la X International School on Organometallic Chemistry “Marcial Moreno Mañas”, celebrada en Ciudad Real (España) del 5 al 7 de julio de 2017.
Appears in Collections:(ISQCH) Comunicaciones congresos
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