Formation of a Doubly C,N-Bridged Six-Membered Metallacyclic Bis[(2-imidazolyl)zirconocene] Dication

Dominik Vagedes 1 , Gerhard Erker 1 , Gerald Kehr 1 , Roland Fröhlich 1 , 2 , Stefan Grimme 1 , 3  and Christian Mück-Lichtenfeld 1 , 3
  • 1 Organisch-Chemisches Institut der Universität, Corrensstraße 40, D-48149 Münster, Germany
  • 2 X-ray crystal structure analysis
  • 3 computational chemistry.

Treatment of 1-methylimidazol-2-yl lithium with Cp2Zr(Cl)CH3 (6) gave the corresponding methyl(1-methyl-2-imidazolyl)zirconocene complex 7. Treatment of 7 with B(C6F5)3 (8) led to selective methyl abstraction. The resulting (imidazolyl)zirconocene cation 9 dimerized under the reaction conditions to yield the dinuclear imidazolyl bridged bis(zirconocene) dication complex 10 that was structurally characterized by X-ray diffraction and by DFT calculations.

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Zeitschrift für Naturforschung B is an international scientific journal which publishes original papers, microreviews, and letters from all areas of inorganic chemistry, solid state chemistry, coordination chemistry, molecular chemistry, and organic chemistry.

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