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Abstract The bite angle of chelating diphosphines is often responsible for the activity and the selectivity of rhodium catalysts based on them. The EPR study of the composition and the… Click to show full abstract
Abstract The bite angle of chelating diphosphines is often responsible for the activity and the selectivity of rhodium catalysts based on them. The EPR study of the composition and the structure of similar complexes with o -semiquinonic ligands is reported. The reaction of the diphosphines with dicarbonyl- o -semiquinonato rhodium complexes gives a variety of new products including o -semiquinonato complexes of monovalent rhodium and catecholates of divalent rhodium as well. Some of latter catecholates demonstrate the coordination sphere dynamics similar with Berry’s either turnstile mechanism. The composition, the structure and the properties of the formed compounds are defined by diphosphine bite angle.
Journal Title: Journal of Molecular Structure
Year Published: 2017
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