Synthesis, Characterization, and Catalytic Potential of Cu(I) Schiff Base Complexes: A Comprehensive Study on Structural, Electrochemical, and Mechanistic Insights

Kargar H., Fallah-Mehrjardi M., Zare-Mehrjardi H. R., Dege N., Acar E., Ashfaq M., ...Daha Fazla

INORGANIC CHEMISTRY, 2025 (SCI-Expanded, Scopus) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Basım Tarihi: 2025
  • Doi Numarası: 10.1021/acs.inorgchem.5c03316
  • Dergi Adı: INORGANIC CHEMISTRY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Chemical Abstracts Core, Chimica, Compendex, DIALNET, Nature Index
  • Ondokuz Mayıs Üniversitesi Adresli: Evet

Özet

This study focuses on the synthesis and characterization of a symmetrical bidentate Schiff base ligand, N,N '-bis(4-bromobenzylidene)-2,2-dimethylpropane-1,3-diamine, and its Cu(I) complexes with halide ligands (Cl, Br, and I). The ligand and complexes were characterized using FT-IR, NMR spectroscopy, and elemental analysis. X-ray crystallography revealed distorted trigonal planar geometries around the Cu(I) center, supported by weak intermolecular interactions like C-HX (X = Cl, Br) and C-Hpi stacking. Electrochemical analysis at a scan rate of 25 mV/s indicated that the Cu(II)/Cu(I) redox process is electrochemically irreversible. Catalytic efficiency was evaluated in the synthesis of dihydro-1H-imidazoles and tetrahydropyrimidines. Mechanistic DFT (density functional theory) studies proposed a favorable 4-coordinate pathway. The present study underscores the structural versatility and catalytic efficiency of Cu(I) Schiff-base complexes, establishing a framework for their potential utilization in pharmaceutical synthesis and coordination chemistry.