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Synthesis And Structural Elucidation Of Symmetrical Tetrakis-Imidazolium Dinuclear Silver(I) Di-N-Heterocyclic Carbene Complex

Author

Listed:
  • Muhammad Zulhelmi Nazri

    (Innovation Centre in Agritechnology for Advanced Bioprocessing (ICA), Universiti Teknologi Malaysia (Pagoh Campus), Eduhub Pagoh 84600 Pagoh, Johor, Malaysia)

  • Mohd Rizal Razali

    (School of Chemical Sciences, Universiti Sains Malaysia 11800 Minden, Penang, Malaysia)

Abstract

This brief report outlines the synthesis and analysis of symmetrical dinuclear Ag(I) di-N-heterocyclic carbene (NHC) complexes, primarily derived from tetrakis-benzimidazolium salts. The symmetrical tetrakis-imidazolium salt was synthesized by reacting 1,2,4,5-tetrakis(bromomethyl)benzene with the imidazole moiety of 1‧Br. These salts were then transformed into their respective complexes through an in-situ deprotonation reaction with Ag2O, utilizing different salt-to-metal molar ratios, resulting in the establishment of dinuclear Ag(I) di-NHC complexes designated as Ag1. The structures of both the tetrakis-imidazolium (1‧Br) salts and the Ag(I) di-NHC complex Ag1 were determined using a combination of spectroscopic techniques (FTIR, 1H- and 13C-NMR), CHN elemental analysis, and single crystal X-ray diffraction. The single crystal X-ray diffraction analysis of the macrocyclic complex Ag1 suggests a crystalline structure resembling a cylinder.

Suggested Citation

  • Muhammad Zulhelmi Nazri & Mohd Rizal Razali, 2024. "Synthesis And Structural Elucidation Of Symmetrical Tetrakis-Imidazolium Dinuclear Silver(I) Di-N-Heterocyclic Carbene Complex," Acta Chemica Malaysia (ACMY), Zibeline International Publishing, vol. 8(1), pages 13-18, March.
    • Handle: RePEc:zib:zbacmy:v:8:y:2024:i:1:p:13-18
    DOI: 10.26480/acmy.01.2024.13.18
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