科研之友
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摘要
Three novel thiacalix[4]arene receptors 4(a-c) each with a 1,3-alternate conformation and possessing two urea moieties linking various phenyl groups substituted with either para electron-donating or -withdrawing groups have been synthesized. The binding properties of these receptors were investigated by means of H-1 NMR spectroscopy and UV-vis absorption titration experiments using various anions. The structures and complexation energies were also studied by density functional theory (DFT) methods. The resu
- 出版日期2016
- 单位贵州大学
