Abstract
Stoichiometric reactions of pyridine-2-aldoxime (HL1) with titanium 2-propoxide and of salicylaldoxime (H2L2) with titanium 2-propoxide or titanium ethoxide in toluene at room temperature resulted in the formation of [Ti2(μ-O)(μ-L)2(OR)4] (for L1, R = iPr; for L2, R = iPr or Et). These complexes were all characterized by spectroscopic methods; in addition, the molecular structure of [Ti2(μ-O)(μ-L1)2(OiPr)4] was determined by single-crystal X-ray diffraction. The titanium atoms have distorted octahedral geometries that share an apex through a bridging oxygen. Each monoanionic L1 is chelated to one titanium atom through its pyridine and oximate nitrogen atoms and to a second titanium atom through its oximate oxygen atom.
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The authors thank the Vice-President’s Office for Research Affairs of Shahrood University of Technology and Shahid Beheshti University for supporting this work.
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Mirzaee, M., Norouzi, M., Faghani, M. et al. Synthesis, characterization and molecular structure of titanium alkoxide complexes with aromatic oxime ligands. Transition Met Chem 39, 55–62 (2014). https://doi.org/10.1007/s11243-013-9773-x
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DOI: https://doi.org/10.1007/s11243-013-9773-x