1H NMR spectroscopy and MALDI-TOF mass spectrometry were utilized to examine the binding interaction of α,α',δ,δ'-tetramethylcucurbit[6]uril (TMeQ[6]) and six biogenic amines (spermine, spermidine, 2-phenethylamine, tyramine, histamine, and tryptamine). Their 1H NMR spectra both at pD = 7 and pD = 3 revealed that four biogenic amines (spermine, spermidine, 2-phenethylamine, and histamine) can fit in the TMeQ[6] cavity, respectively, and other biogenic amines were located outside of the TMeQ[6] portal. In addition, a solid-state evaluation with single-crystal X-ray diffraction analysis showed the binding interaction of spermine, spermidine, 2-phenethylamine, and tyramine with TMeQ[6].
CITATION STYLE
Yang, L., Kan, J., Wang, X., Zhang, Y., Tao, Z., Liu, Q., … Xiao, X. (2018). Study on the binding interaction of the α,α’,δ,δ’-tetramethylcucurbit[6]uril with biogenic amines in solution and the solid state. Frontiers in Chemistry, 6(JUL). https://doi.org/10.3389/fchem.2018.00289
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