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Synthesis and Characterization of Trihydro mono and Dihydrobis(indole-3-acetic acid)Borate Ligands and Some of Their Metal Complexes | ||
| Iraqi Journal of Science | ||
| Article 1, Volume 56, Issue 4, 2015, Pages 2762-2772 | ||
| Author | ||
| Asmaa Mohammed Noori Khaleel | ||
| Abstract | ||
| Two new ligands Na2[ H3B (BDIA)].0.05H2O (L1)(BDIA = 1-Boranyl-2,3-Dihydro-1H-Indol-3-yl)]Acetic Acid and Na3[H2B(BDIA)2].0.3H2O.0.3CH3Ph (L2) were synthesized by reaction of NaBH4 with indole -3- acetic acid (IAA) . The coordination properties of ligands were studied with Co(II) , Ni(II) , Cu(II) and Pt(IV) ions. Characterization and structural aspects of the prepared compounds were elucidated by 1HNMR, FTIR electronic spectra, magnetic susceptibility, elemental and metal analysis, thermal analysis (TG & DTG) and conductivity measurements. The obtained data for metal complexes suggested square planar geometry for copper complexes, octahedral geometry for nickel and platinium complexes and tetrahedral geometry for cobalt complex. The analytical data confirmed that the ligands were coordinated to the metals via oxygen atom of carboxylate groups and by agostic hydrogen of borate (B-H M agostic interaction) | ||
| Keywords | ||
| Borate ligands; Indole; acetic acid | ||
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