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<p>A water-soluble tetrasulfonatomethylcalix[4]resorcinarene[WSC4R]was synthesized using microwave irradiation, achieving high yields. The structural characterization of the synthesized macrocycle was performed through elemental analysis, Fourier-transform infrared (FT-IR) spectroscopy, proton nuclear magnetic resonance (<sup>1</sup>H NMR), carbon-13 nuclear magnetic resonance (<sup>13</sup>C NMR), and electrospray ionization mass spectrometry (ESI-MS). The interactions of the macrocycle with various cationic surfactants—differing in hydrophobic tail length, polar head group composition, and counterion identity—were systematically investigated using turbidimetry, tensiometry, and dynamic light scattering (DLS). Furthermore, the antimicrobial activity of the compound was evaluated against bacterial strains, including <i>Escherichia coli</i>, <i>Bacillus subtilis</i>, <i>Staphylococcus aureus</i>, and <i>Bacillus megaterium</i>, to explore its potential biological applications.</p>

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Microwave-assisted synthesis, characterization, and surfactant interaction studies of water-soluble tetrasulfonatomethylcalix[4]resorcinarene [WSC4R]

  • 期刊论文

  • 发表日期：

    2025年5月28日

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  • Parin H. Kanaiya,
  • Vinod K. Jain

摘要

A water-soluble tetrasulfonatomethylcalix[4]resorcinarene[WSC4R]was synthesized using microwave irradiation, achieving high yields. The structural characterization of the synthesized macrocycle was performed through elemental analysis, Fourier-transform infrared (FT-IR) spectroscopy, proton nuclear magnetic resonance (1H NMR), carbon-13 nuclear magnetic resonance (13C NMR), and electrospray ionization mass spectrometry (ESI-MS). The interactions of the macrocycle with various cationic surfactants—differing in hydrophobic tail length, polar head group composition, and counterion identity—were systematically investigated using turbidimetry, tensiometry, and dynamic light scattering (DLS). Furthermore, the antimicrobial activity of the compound was evaluated against bacterial strains, including Escherichia coli, Bacillus subtilis, Staphylococcus aureus, and Bacillus megaterium, to explore its potential biological applications.