Abstract
In this study, cucurbit[8]uril (Q[8]) was used as a carrier for Sulfanilamide (G1) and sulfamethoxazole (G2), and the crystals of their inclusion complexes were cultured in a 3M HCl aqueous solution upon the addition of ZnCl2 as an inducer. The crystal structure was characterized using single-crystal X-ray diffraction. The results showed that two new supramolecular self-assemblies were constructed and the main driving forces in the system were hydrogen bond and ion–dipole interactions. In addition, the effects of Q[8] on the solubility and cumulative release rate in vitro of G1 and G2 were investigated by UV Vis spectroscopy. The results showed that the intervention of Q[8] had no effect on the solubility of G1 and G2; the cumulative release rates of G1 and G2 in artificial gastrointestinal juice were reduced and had a certain sustained-release effect.
Graphical abstract
In this study, we reported that Cucurbit[8]uril (Q[8]) was used as the carrier of P-aminobenzenesulfonamide and sulfamethoxazole. The experimental results show that the main driving forces of the system are hydrogen bond and ion-dipole interaction and two new supramolecular self-assemblers were constructed.
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Supplementary Information (SI)
The X-ray crystallographic data for structures reported in this study have been deposited in the Cambridge Crystallographic Data Center under accession numbers CCDC: 2071851 (1) and 2039124 (2). These data can be obtained free of charge via http://www.ccdc.cam.ac.uk/data_request/cif.
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The authors acknowledge the support from the Science and Technology Support Plan of Guizhou Province [Guizhou Science and Technology Cooperation Support(2020) 4Y218].
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Zhang, L., Zheng, J., Zeng, Z. et al. Supramolecular self-assembly based on Cucurbit[8]urils with sulfanilamide and sulfamethoxazole. J Chem Sci 134, 26 (2022). https://doi.org/10.1007/s12039-021-02017-x
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DOI: https://doi.org/10.1007/s12039-021-02017-x