Synthesis and structural analysis of a exo-ditopic macrocyclic ligand bearing 2,2′-bipyridine units interconnected by silane spacers and of its binuclear ruthenium complex

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Christian Kaes, Mir Wais Hosseini, Christian Kaes, André De Cian and Jean Fischer


Abstract

The synthesis and structural analysis of a macrocyclic exo-ditopic ligand bearing two 2,2′-bipyridine units interconnected at the 4 and 4′ positions by two –(CH2)2Si(CH2)2– spacers and of its acyclic analogue is achieved; for both compounds ruthenium homobinuclear complexes were prepared; for the complex obtained with the cyclic ligand, both diastereoisomers were separated and the structure of the meso form was elucidated by X-ray analysis.


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