Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"supramolecular synthons"”.
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Synthesis and characterisation of amides based on crown ether supramolecular gels
Supramolecular gels are a class of soft materials that have gained a lot of interest in recent years due to their potential applications as hosts in slow-release drug delivery, tissue engineering, sensing, crystallising media, catalysis etc. The understanding of gel structure and the self-assembly …
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A structural systematic study of three families of salicyclic acid derivatives
… interactions and consequently different supramolecular synthons.<br/>The results in this work clearly showed that the substituent groups have an important role in generating similarities but, also, differences within the family under study. Furthermore the analysis has shown the …
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The crystal landscape and cocrystallization of primary aromatic sulfonamides
… the literature for the solid-state and supramolecular chemistry of benzenesulfonamides; topics covered include non-covalent interactions, synthons, crystal engineering, cocrystallization, eutectic compositions, solvates, biochemistry of sulfa drugs and crystal polymorphism. Chapter Two …
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Understanding the crystal landscape of primary sulfinamides and predicting cocrystallization
… are examined, with focus on the robust supramolecular synthons that they exhibit. Finally, this chapter describes their hydrolysis, examining the relationship between their hydrolytic sensitivity and solid state structure. Chapter three outlines the preparation of novel solid forms of …
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An investigation of hydrogen bonded molecular systems using X-ray and neutron diffraction
… bond motif producing two robust hydrogen-bonded supramolecular synthons. The investigation examines the bifurcated hydrogen bond interactions and the suitability of chloranilic acid complexes for crystal engineering. The two related supramolecular synthon units are discussed and difference …
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Cocrystallisation involving the thioamide, amide and imide functional groups
… the effect removing a hydrogen bond had on the supramolecular synthons observed in the cocrystals. These secondary thioamides are also utilised in Chapter Four, which examines their halogen bonding capabilities with two organoiodine coformers: 1,2- and 1,4-diiodotetrafluorobenzene. Chapter Five …
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Crystal engineering approaches to solid-state pharmaceutical systems
… how knowledge of intermolecular hydrogen bonded supramolecular synthons can be exploited to rationally select potential co-crystal formers based on the likely growth unit formed. The structure of the co-crystal, solved using single-crystal X-ray diffraction, is reported and verifies the design …
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Structural investigations with high pressure techniques and multicomponent systems
… chapters, the rate of compression in particular supramolecular synthons, e.g. amide-dimers, is demonstrated to be consistent despite the difference in the molecular make-up of the materials under study and their packing arrangements.;Lastly, a data-driven approach was applied in directing the …