Beschreibung:
This dissertation focuses on two polymetallic systems exhibiting two different phenomena of Metal-Metal Cooperativity in the form of intramolecular C-H(sp2) activation and Charge-Transfer-Induced Spin Transition (CTIST). The first system, a dinickel complex, utilizes a preorganized ligand scaffold of two β-diketiminato units bridged by pyrazole. The proximity of the two metal centers results in an intramolecular C-H activation of the ligand backbone and a hydride- and phenyl-ligation. This C-H activation was also found to be reversible by the addition of dihydrogen resulting in a nickel dih...