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Spectral and electrochemical investigation of p-sulfonatocalix[4]arene-stabilized vitamin E aggregation |
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| Authors: | Bosco Christin Maria Arputham Ashwin Chokalingam Saravanan Marimuthu Senthilkumaran Ragupathi Sumathi Palanisamy Suresh |
| Institution: | 1. Department of Industrial Chemistry, Alagappa University, Karaikudi, India;2. Department of Natural Products Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai, India |
| Abstract: | The host–guest interaction of α-tocopherol (vitamin E) with p-sulfonatocalix4]arene (p-SC4) in solution state is studied using emission and cyclic voltammetric techniques. The lipid soluble α-tocopherol (α-T) forms a solid complex with p-SC4. FTIR and NMR spectral analysis of the solid complex reveals the tight packing of α-T inside the cavity of p-SC4. The structural deformation is confirmed by XRD analysis. SEM images differentiate the highly porous gel like structure of vitamin E aggregate and the solid structure of the host–guest complex prepared. NOESY spectra confirm the tight penetration of α-T within the hydrophobic cavity of p-SC4. |
| Keywords: | Supramolecular complex vitamin E p-sulfonatocalix[4]arene |