Synthesis and structures of new binuclear zinc alkyl,aryl and aryloxo complexes |
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| Authors: | Yann Sarazin Joseph A Wright Duncan AJ Harding Eddy Martin Timothy J Woodman David L Hughes Manfred Bochmann |
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| Institution: | 1. Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA;2. Department of Chemistry, Texas A&M University, College Station, TX 77843, USA;3. Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA |
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| Abstract: | The synthesis of a series of binuclear zinc complexes with Cl, N and O bridges is reported. The reaction of EtZnCl with B(C6F5)3 in the presence of hexamethylbenzene affords the arene complex Zn(μ-Cl)(C6F5)(η-C6Me6)]2 in which the C6Me6 ligand may be regarded as η3-bonded. The comproportionation of ZnN(SiMe3)2]2 with ZnBut2 or Zn(C6F5)2 · toluene gave ButZn{μ-N(SiMe3)2}]2 and C6F5Zn{μ-N(SiMe3)2}]2, respectively, with three-coordinate zinc. The reaction of ZnEt2 with C6F5OH in the presence of pyridine gave EtZn(μ-OC6F5)(py)]2, while ZnMe2 and C6F5OH followed by recrystallisation from THF gave Zn(OC6F5)(μ-OC6F5)(THF)2]2 with five-coordinate zinc in a trigonal-bipyramidal geometry. The structures of these compounds have been determined. |
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