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Syntheses and Molecular Structures of 2-(1-Methyliminoethyl)phenolato Zinc Complexes
Authors:Dirk Steinborn,Mario Rausch,Ute Baumeister,Ivan Poto   &#x    k,Du&#x  an Miklo&#x  ,Michal Dunaj-Jur   o
Affiliation:Dirk Steinborn,Mario Rausch,Ute Baumeister,Ivan Potočňâk,Dušan Mikloš,Michal Dunaj-Jurčo
Abstract:2-(1-Methyliminoethyl)phenol ( 1 a ) reacts with diethyl zinc to give bis[2-(1-methyliminoethyl)phenolato]zinc ( 3 ) via [2-(1-methyliminoethyl)phenolato]ethylzinc ( 2 ) as an intermediate. The complex 3 is also formed in the reaction of bis(trimethylsilyl)amide zinc with 1 a . The compounds were characterized by microanalysis, NMR (1H, 13C) and IR spectroscopy. X-ray structure analysis of the compounds 2 and 3 revealed that both compounds form in the solid state dimeric species where the monomeric units are bridged via two oxygen atoms forming a planar Zn2O2 ring with tetrahedral [ZnO2NC] and trigonal-bipyramidal [ZnO3N2] coordination of the zinc atom, respectively.
Keywords:Zinc complexes  oxygen, nitrogen chelate ligands  crystal structure  diethyl zinc
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