CYCLOPENTADIENYLPHOSPHAZENE COMPLEXES (CpPN COMPLEXES) OF METALS OF THE THIRD AND FOURTH GROUP AND OF THE LANTHANOIDS
The present invention relates Cyclopentadienylphosphazen complexes (CPPN complexes) of Group III. and group IV and the lanthanides with the exception of lutetium. The novel complexes are too isolobal and isoelectronic [(CpSiN) TiR2] complexes. In the novel there is exactly one complex CPPN unit. In all, the novel complexes of cyclopentadienyl CPPN a monodentate anionic ligands of the metal atom dar.The metal atom is also bound to other anionic ligands. In a preferred embodiment, binding within CPPN both the cyclopentadienyl and the nitrogen atom to the metal atom, so that CPPN then represents a bidentate ligand. Inventive complexes in which CPN is a bidentate ligand, are CPPN-Constrained Geometry Complex (CGC-CPPN).
SUNDERMEYER JOERG [DE]; RUFANOV KONSTANTIN [RU]; PETROV ALEXANDER [DE]; ELFFERDING MICHAEL [DE]; WINKENSTETTE MANUEL [DE]
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