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<p>[(Pr<sup>i</sup>O)<sub>2</sub>Ti(mdea)] <b>1</b> complex synthesized by the equimolar reaction of Ti(OPr<sup>i</sup>)<sub>4</sub> and N<i>-</i>methydiethanolamine (mdea<b>H</b><sub>2</sub>) in benzene. Reaction of [(Pr<sup>i</sup>O)<sub>2</sub>Ti(mdea)] <b>1</b> with monofunctional bidentate ligands (L<b>H</b>) in benzene give titanium (IV) complexes of the types [(Pr<sup>i</sup>O)Ti(mdea)(L)] and [(mdea)Ti(L)<sub>2</sub>]. (where L = deprotonated monofunctional bidentate ligands i.e. acetylacetone (acac<b>H</b>) <b>2–3</b>, salicylidene-2-aminopyridine (sap<b>H) 4</b>–<b>5</b> and salicylidene-4-methyl-1-aminobenzene (p-smab<b>H</b>) <b>6</b>–<b>7</b> ethanolamine (ea<b>H</b>) <b>8–9.</b> The elemental analyses, infrared, NMR (<sup>1</sup>H, <sup>13</sup>C), and mass spectroscopy have been used to characterise the novel titanium(IV) complexes <b>1</b>–<b>9</b>.</p>

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N-methyldiethanolaminate complexes of titanium (IV): synthesis, reactions and spectral analysis

  • 期刊论文

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  • 发表日期：

    2025年12月26日

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  • Shilpi Srivastava,
  • Shashank Singh,
  • Avadhesh Pratap Singh,
  • Alok Kumar Verma

摘要

[(PriO)2Ti(mdea)] 1 complex synthesized by the equimolar reaction of Ti(OPri)4 and N-methydiethanolamine (mdeaH2) in benzene. Reaction of [(PriO)2Ti(mdea)] 1 with monofunctional bidentate ligands (LH) in benzene give titanium (IV) complexes of the types [(PriO)Ti(mdea)(L)] and [(mdea)Ti(L)2]. (where L = deprotonated monofunctional bidentate ligands i.e. acetylacetone (acacH) 2–3, salicylidene-2-aminopyridine (sapH) 4–5 and salicylidene-4-methyl-1-aminobenzene (p-smabH) 6–7 ethanolamine (eaH) 8–9. The elemental analyses, infrared, NMR (1H, 13C), and mass spectroscopy have been used to characterise the novel titanium(IV) complexes 1–9.