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The reaction of a tripodal trisilanol with n‐butyllithium and CrCl2 results in a dinuclear CrII complex (1), which is capable of cleaving O2 to yield in a unique complex (2) with an asymmetric diamond core composed of two CrIVO units. Magnetic susceptibility data reveal significant exchange coupling of CrII (S=2) in 1 and large zero‐field splitting for CrIV (S=1) in 2 owing to strong spin–orbit coupling...
Mit vereinten Kräften: Die oxidative Addition des Superoxo‐Liganden im Nickel(II)‐Superoxid 1 an die Eisen(I)‐Vorstufen 2 a/2 b führt ausschließlich zu den ersten NiFe‐Alkoxohydroxiden 3 a (R=Me) und 3 b (R=tBu). Bei dieser unerwarteten Reaktion wird die C‐H‐Bindung einer Isopropylgruppe des β‐Diketiminato‐Liganden am Nickelzentrum selektiv oxygeniert.
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