Synthesis, characterization, and biological evaluation of some Mercury (II) complexes with mixed 3-hydroxy-N'-(2-oxoindolin-3-ylidene)-2-naphthohydrazide and phosphine ligands

Ali Hussein; Ahmed A. Irzoqi  Irzoqi

doi:10.69923/25avbz81

Synthesis, characterization, and biological evaluation of some Mercury (II) complexes with mixed 3-hydroxy-N'-(2-oxoindolin-3-ylidene)-2-naphthohydrazide and phosphine ligands

Authors

Ali Hussein Department of Chemistry, College of Education for Pure Science, University of Tikrit, Tikrit, Iraq Author
Ahmed A. Irzoqi Author

DOI:

https://doi.org/10.69923/25avbz81

Keywords:

mercury complexes , Isatin , Phosphines , biological evaluation

Abstract

Several mercury (II) complexes were prepared with the ligand (L), (E)-3-hydroxy-N^'-(2-oxoindolin-3-ylidene)-2-naphthohydrazide, and mixed ligands like (dppm) bis(diphenylphosphino) methane, and (dppp) bis(diphenylphosphino)propane. They were characterized using elemental analysis, molar conductivity, FTIR, ^¹H, ^¹³C, ^³¹P NMR, EDS, Mass, and TGA. The analyses indicate that Hg(II) complexes are square planar, with the ligand (L) coordinating through oxygen and nitrogen. The proposed formulas are [Hg2(L2)₂(µ-dppm)₂]Cl₄ and [Hg(L2)(dppp)]Cl₂. These ligands coordinate differently: (dppm) as a bridge in binuclear complexes and (dppp) as bidentate in dinuclear complexes. XRD analysis revealed complexes with crystallinity ranging from 23.49% to 28.06% and sizes varying from 8.27280648 to 183.4763452 nm. The compounds showed good activity against Staphylococcus aureus and Pseudomonas aeruginosa, except for the ligand.

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Author Biography

Ahmed A. Irzoqi

Ahmed A. Irzoqi is a professor at the College of Education for Pure Science, Tikrit University. He holds a BS in chemistry from Tikrit University and an MA from the same university. He holds a PhD in chemistry, specializing in inorganic chemistry. His research interests include phosphine complexes. He has published numerous scientific papers in local and international conferences and journals. To contact him, please email ahmedirzoqi@tu.edu.iq.

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Published

30-03-2026

Issue

Vol. 3 No. 1 (2026): Volume 3, Issue 1

Section

Research Articles

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How to Cite

[1]

A. Hussein and A. A. I. . Irzoqi, “Synthesis, characterization, and biological evaluation of some Mercury (II) complexes with mixed 3-hydroxy-N’-(2-oxoindolin-3-ylidene)-2-naphthohydrazide and phosphine ligands”, IJApSc, vol. 3, no. 1, pp. 54–66, Mar. 2026, doi: 10.69923/25avbz81.