Ousmane Sall

A New Zinc(II) Thiocyanate Complex of a Pyridine-4-carbohydrazide Schiff Base: Crystal Structure and Redox Properties of a Related Copper(II) Complex

Ousmane Sall, Moussa Faye, Alassane Saïdou Diallo, Abdoul Sall, Farba Bouyagui Tamboura, Ibrahima Elhadj Thiam, Moussa Dieng & Mohamed Gaye · International Research Journal of Pure and Applied Chemistry · 2026

A new zinc(II) complex, ZnCl(SCN)(H₂L)₂, derived from the Schiff base ligand N′-[(E)-(2-hydroxy)methylidene]pyridine-4-carbohydrazide (H₂L), was synthesised and structurally characterised by single-crystal X-ray diffraction. The complex crystallises in the orthorhombic space grou...

Open access Research Article 10.9734/irjpac/2026/v27i51021

Synthesis, Spectroscopic Characterization, Crystal Structure of the Ligand N’-[(E)-(4-Hydroxy-3-Methoxybenzylidene)] Pyridine-3-Carbohydrazide : Antibacterial and Antioxidant Activities of Ligand and Its Zinc(II) Complex

Abdoul Sall, Alassane Saïdou Diallo, Moussa Faye, Ousmane Sall, Farba Bouyagui Tamboura, Ibrahima Elhadj Thiam, Moussa Dieng & Mohamed Gaye · Chemical Science International Journal · 2026

The hydrazone Schiff-base ligand N’-[(E)-(4-hydroxy-3-methoxybenzylidene)]pyridine-3-carbohydrazide (H₂L) was synthesized by condensing paravanillin with nicotinohydrazide and was characterised using infrared, nuclear magnetic resonance, ultraviolet–visible, and single-crystal X-...

Open access Research Article 10.9734/CSJI/2026/v35i41052