Cyclopentadienylphosphazene complexes (CpPN Complexes) of metals of the third and fourth group and of the lanthanoids
The invention at hand provides cyclopentadienylphosphazene complexes (CpPN complexes) of the metals of the third and the fourth group and of the lanthanoids with the exception of lutetium for the first time. These complexes may be produced in situ, in which it is not required to make use of the partially unstable alkyl compounds of these metals. Instead, the readily available and stable metal halides are utilised.<p>
The complexes according to the present invention are isolobal and isoelectronic to [(CpSiN)TiR2] complexes. When stored under an inert atmosphere at room temperature, they are stable for a long time and represent suitable catalysts for the hydroamination and polymerisation of olefins.
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