Simon Coles

Coordination of N, O-donor Appended Schiff Base Ligand N, N’-bis (3-Methoxy Salicylidenimino-1,3-diaminopropane) towards Nickel (II), Copper (II) and Zinc (II) : Synthèses, Crystal Structure

Moussa Faye, Mariama Sarr, Mbossé Ndiaye Guèye, Farba Bouyagui Tamboura, Ibrahima Elhadj Thiam, Simon Coles, James Orton, Moussa Dieng & Mohamed Gaye · International Research Journal of Pure and Applied Chemistry · 2024

New complexes prepared by the reaction of N,N’-bis(3-methoxysalicylidenimino-1,3-diaminopropane) (H2L) with Ni(II), Zn(II) and Cu(II) ions are reported in this paper. The H2L ligand is structurally characterized by elemental analysis, NMR, infrared, UV-Vis spectroscopies, conduct...

Open access Research Article 10.9734/irjpac/2024/v25i3853

Synthesis, Spectroscopic Characterization, and Crystal Structure of a Mononuclear Mn(II) Complex Derived from the N'-(4-hydroxy-3-methoxybenzylidene) Isonicotinohydrazide Ligand: Evaluation of the Antioxidant Activity of the Ligand and Its Complex

Dame Gadiaga, Aïssatou Alioune GAYE, Adama Sy, Bineta Diome, James Orton, Ibrahima Elhadji Thiam, Simon Coles, Ousmane Diouf & Mohamed Gaye · Asian Journal of Chemical Sciences · 2026

A mononuclear manganese(II) complex of N′-(4-hydroxy-3-methoxybenzylidene)isonicotinohydrazide (H₂L) was synthesised and characterised to examine its structural features and DPPH radical-scavenging activity relative to the free ligand. The ligand was prepared by condensation of i...

Open access Research Article 10.9734/ajocs/2026/v16i6486