Cyclodextrins as building blocks for new materials
The present thematic issue aims to offer a wide and advanced collection of papers on the use of cyclodextrins as building blocks for the construction and synthesis of innovative materials and efficient supramolecular systems. This includes deep eutectic solvents, metal–organic frameworks, electrochemical sensors, polymers, and many more. Research on the functionalization and modification of materials using cyclodextrins is also covered in this issue. Moreover, original and green methods to prepare classical cyclodextrin-based materials and inclusion complexes as well as studies of the encapsulation phenomenon are welcome.
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- Published 17 Nov 2022
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Figure 1: Structure of α-cyclodextrins 1–10.
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Scheme 1: The reaction of perbenzylated α-cyclodextrin with iBu2AlH.
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- Published 25 Nov 2022
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Scheme 1: The synthesis of 6A-azido-6A-deoxy-per-6-O-tert-butyldimethylsilyl-β-cyclodextrin.
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Scheme 2: The synthesis of β-cyclodextrin dimers with permethylated secondary rims.
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Scheme 3: The synthesis of β-cyclodextrin dimers with permethylated primary rims.
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Figure 1: The fragments of 1H NOESY NMR spectra of 4 (a), 10 (b), and 9 (c) indicating the interaction betwee...
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Figure 2: The fragment of the 1H NMR spectrum of compounds 9 (green); 10 (red); 12 (blue) representing the si...
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Figure 3: Other cyclodextrins that were used in the solubilization experiments with tetracene.
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Figure 4: The tetracene UV absorbance dependence on concentration at 476 nm.
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Figure 5: The relative concentrations of tetracene in DMSO solutions with hosts 4, 5, 10, 12, 13–18 referred ...
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Figure 6: "Tail-to-tail" (a) and "head-to-head" (b) orientation of two cyclodextrin moieties and primary-rim ...
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Figure 7: Isotherms of the titration of tetracene with "dimeric" CD solutions in DMSO at 298 K (circles – 10;...
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Figure 8: Isotherms of the titration of tetracene with "monomeric" CD solutions in DMSO at 298 K (circles – 16...
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- Published 22 Dec 2022
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Figure 1: Chemical structures of 17β-estradiol (top) and progesterone (bottom).
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Figure 2: The PXRD patterns of the β-CD·PRO complex produced via kneading (2:1), an isostructural β-CD comple...
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Figure 3: The PXRD patterns of the γ-CD·PRO complex produced via kneading (3:2), an isostructural γ-CD comple...
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Figure 4: (a) The crystal morphology of β-CD·BES recorded with polarised light. (b) The crystal morphology of...
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Figure 5: (a) A representative DSC curve (n = 2) of β-CD·BES, with the respective TGA curve (n = 3); (b) a re...
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Figure 6: Stereoscopic views of the host molecule and water oxygen atoms in the ASUs of (a) β-CD·BES and (b) ...
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Figure 7: A stereoscopic view down the c-axis displaying the packing arrangement for β-CD·BES.
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Figure 8: A stereoscopic view down the c-axis displaying the packing arrangement for β-CD·PRO.
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Figure 9: A stereoscopic view of the host atoms and water oxygen atoms in the ASU of γ-CD·PRO.
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Figure 10: The host atoms and water oxygen atoms of the ASU viewed down the c-axis, showing that the water mol...
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Figure 11: The distinct packing arrangement of the repeat unit of the host molecules in γ-CD·PRO. The four-fol...
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Figure 12: A stereoscopic view of γ-CD·PRO viewed down the c-axis, which displays the infinite channel packing...
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- Published 24 Jan 2023
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Figure 1: Quillaja saponin foamability (left) and foam stability over time for the β-cyclodextrin/polysacchar...
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Figure 2: SEM images of crushed β-c-LBG as a function of the synthesis pathways (see below, Experimental sect...
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Figure 3: SEM of β-csp after crosslinking with or without washing the sample.
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Figure 4: β-csp (left) and c-CSsp (right) matrices unwashed showing the “foam-like” morphologies.
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Figure 5: Values (in mg/g) of equivalent ‘free β-cyclodextrin’ in the polysaccharide (PS) matrices, as a func...
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Figure 6: 1-Naphthol isotherms of crosslinked β-cyclodextrin/polysaccharides (blue curves for chitosan, red f...
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Figure 7: Sorption of phenols (V, vanillin; Ph, phenol; m-c, m-cresol; 4eP, 4-ethylphenol; Eu, eugenol) in β-...
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Figure 8: Six synthesis routes (*lyophilized matrices) used to prepare samples β-c-XGsp; β-c-LBGsp; β-c-CSsp ...
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