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Dissertations / Theses on the topic 'Supramolecular synthon'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Xu, Rui. "The phenyl-perfluorophenyl interaction as a supramolecular synthon for topochemical polymerizations /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17718.

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2

Welideniya, Dhanushi Thathsara. "Supramolecular chemistry of small molecular fundamentals to drug–receptor applications." Diss., Kansas State University, 2015. http://hdl.handle.net/2097/19106.

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Doctor of Philosophy<br>Department of Chemistry<br>Christer B. Aakeroy<br>A family of bis-pyridine based pharmaceutical active ingredients were synthesized and co-crystallized with four iodoperfluoroalkanes. Thirteen new crystal structures that are driven by I‧‧‧N(py) halogen bonds, are presented and compared with that of their hydrogen-bonded analogues. Halogen bonded co-crystals exhibit two different structural arrangements, as opposed to layered architectures observed in hydrogen bonded co-crystals. In order to explore the effect of aromatic stacking interactions on hydrogen and halogen b

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3

Shattock, Tanise R. "Crystal engineering of co-crystals and their relevance to pharmaceutical forms." [Tampa, Fla.] : University of South Florida, 2007. http://purl.fcla.edu/usf/dc/et/SFE0002101.

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4

Emery, Paul Ralph. "Multicomponent Cocrystals and Solid Solutions based on a Two-Point Hydrogen Bond Synthon." Digital WPI, 2009. https://digitalcommons.wpi.edu/etd-theses/102.

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Herein we describe a straight-forward and reproducible method for the preparation of homogeneous, multicomponent cocrystals and supramolecular solid solutions. We prepared these multicomponent materials based on small organic molecules that employ a two-point supramolecular hydrogen bond synthon. We report the creation and characterization of two, three, four, five, and seven component crystals containing a variety of 2-aminopyridines and monosubstituted benzoic acids. These systems exhibit the ability to accommodate multiple components in varying proportions while coordinating into an identic

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5

Bis, Joanna A. "Crystal engineering of organic compounds including pharmaceuticals." [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001424.

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6

Silva, Cameron Capeletti da. "Novas formas cristalinas do fármaco anti-HIV lamivudina com ácidos 1,2-dicarboxílicos: preparação, caracterização e solubilidade." Universidade Federal de Goiás, 2014. http://repositorio.bc.ufg.br/tede/handle/tede/3107.

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Submitted by Jaqueline Silva (jtas29@gmail.com) on 2014-09-19T19:05:02Z No. of bitstreams: 2 Silva, Cameron-2014-dissertação.pdf: 4685861 bytes, checksum: 35a25c14813b0206d3d9c8fa6c8bfdaf (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<br>Approved for entry into archive by Jaqueline Silva (jtas29@gmail.com) on 2014-09-19T19:05:31Z (GMT) No. of bitstreams: 2 Silva, Cameron-2014-dissertação.pdf: 4685861 bytes, checksum: 35a25c14813b0206d3d9c8fa6c8bfdaf (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<br>Made available in DSpace on

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7

Kavuru, Padmini. "Hierarchy of Supramolecular Synthons in the of Design Multi-Component Crystals." Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/4096.

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Most of the biological systems in nature are sustained by molecular self-assemblies which are the finest examples of supramolecular architectures. Non-covalent interactions are key concepts which govern these molecular assemblies. Inspired by these examples crystal engineering emerged as an important tool in supramolecular chemistry which aids in the invention of new molecular structures with desired properties. Understanding of how the molecules interact at the molecular levels enables one to rationally design novel solid forms with modulated physicochemical properties. This feature of crysta

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8

Freeman, James D. "Amino acid ligand mimics : synthons for supramolecular self-assembled coordination compounds." Thesis, University of East Anglia, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398796.

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9

Morales, Leslie Ann. "Crystal Engineering of Binary Compounds Containing Pharmaceutical Molecules." [Tampa, Fla.] : University of South Florida, 2003. http://purl.fcla.edu/fcla/etd/SFE0000166.

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10

Lu, Jianjiang. "Crystal engineering of metal-carboxylate based coordination polymers." [Tampa, Fla.] : University of South Florida, 2004. http://purl.fcla.edu/fcla/etd/SFE0000361.

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11

Zambiazi, Priscilla Jussiane. "Síntese, análise cristalográfica e atividade biológica de complexos com ligantes triazenidos com fragmentos orto-halofenila e para-sulfonamidafenila." Universidade Federal de Santa Maria, 2013. http://repositorio.ufsm.br/handle/1/10543.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>This study shows the triazenes ligands and complexes Pd(II), K+ and Au(I) obtained from reactions of the ligands with fragments para-sulfonamidephenyl, comprising triazene ligand 1,3-bis (4 - sulfonamidephenyl) (1) and the complex {trans-Bis[1,3-bis(4-sulfonamidephenyl)triazenide-κN1]bis(pyridine-κN)palladium(II)}{tetra(pyridine-κN)palladium(II)}bis(potssium)·water (2) and for compounds containing orto-halophenyl fragments represented by [1,3-bis(2-fluorophenyl)triazenide-κN1](triphenylphosphine- κP)gold(I) (3), [1,3-bis(2-chlori

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12

Waelès, Philip. "Préparation de synthons dimères de [2]rotaxanes et de lassos et application à la synthèse d'architectures moléculaires entrelacées sophistiquées." Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT245.

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Parmi les molécules entrelacées, les « muscles moléculaires » et les lassos occupent une place de choix due à leur structure singulière qui leur permet d’adopter différentes co-conformations en fonction d’un stimulus externe. En effet, la structure doublement entrelacée dimère de [2]rotaxane permet des états plus ou moins contractés en fonction du « glissement » d’un monomère par rapport à un autre, d’où son appellation muscle moléculaire, par analogie avec les muscles de notre organisme. D’autre part, l’architecture [1]rotaxane peut être comparée à un lasso qui peut se resserrer ou se desserr

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13

Kloster, Robin A. "Indane 2,5-diketopiperazine synthons as probes of solid, solution and gas phase supramolecular non-covalent associations: Synthesis, characterization, and analysis of indane amino acids, unnatural bis-amino esters, indane 2,5-diketopiperazines." Diss., The University of Arizona, 2003. http://hdl.handle.net/10150/280299.

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Non-covalent interactions influence supramolecular organization in the solid, solution and gaseous state. While intermolecular forces are well understood individually, it is difficult to predict how their interplay will lead to a highly symmetric and low energy crystalline solid. Analysis, design, and prediction of crystalline architecture is a recently popularized sub-field of supramolecular chemistry referred to as 'crystal engineering'. Crystal engineering seeks to fully understand non-bonding intermolecular forces in order to build crystalline solids that serve some designed purpose. Hydro

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14

Mukherjee, Arijit. "Building Upon Supramolecular Synthons : Some Aspects of Crystal Engineering." Thesis, 2013. http://etd.iisc.ac.in/handle/2005/3455.

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Crystal engineering offers a rational way of analyzing crystal structures and designing new structures with properties. The supramolecular synthon concept was introduced in 1995 and has shown versatility and utility in the design of molecular solids. Chapter 1 gives a general introduction about the development of the concept of supramolecular synthons over the years which has seen a transition from synthesis to structures and dynamics. This thesis focuses on the later phase of the development of the concept of supramolecular synthons. Chapter 2 introduces the idea of structural landscape and

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15

Mukherjee, Arijit. "Building Upon Supramolecular Synthons : Some Aspects of Crystal Engineering." Thesis, 2013. http://etd.iisc.ernet.in/2005/3455.

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Crystal engineering offers a rational way of analyzing crystal structures and designing new structures with properties. The supramolecular synthon concept was introduced in 1995 and has shown versatility and utility in the design of molecular solids. Chapter 1 gives a general introduction about the development of the concept of supramolecular synthons over the years which has seen a transition from synthesis to structures and dynamics. This thesis focuses on the later phase of the development of the concept of supramolecular synthons. Chapter 2 introduces the idea of structural landscape and

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16

Dubey, Ritesh. "Crystal Engineering : From Molecule To Crystal Structure Landscape." Thesis, 2015. https://etd.iisc.ac.in/handle/2005/2654.

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Crystal engineering underlies the essence of natural affiliation between the molecule on the one side and the crystal as a supramolecular assembly on the other. Molecular recognition is the fundamental cause for this efficient transformation and if we consider the crystal as a supramolecular entity then it is not at all difficult to conceive crystallization as an outstanding example of molecular recognition. In general, organic compounds often facilitate closed packed crystal structures as described by A. I. Kitaigorodskii in the form of the close packing principle but based on chemical featur

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17

Dubey, Ritesh. "Crystal Engineering : From Molecule To Crystal Structure Landscape." Thesis, 2015. http://etd.iisc.ernet.in/handle/2005/2654.

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Crystal engineering underlies the essence of natural affiliation between the molecule on the one side and the crystal as a supramolecular assembly on the other. Molecular recognition is the fundamental cause for this efficient transformation and if we consider the crystal as a supramolecular entity then it is not at all difficult to conceive crystallization as an outstanding example of molecular recognition. In general, organic compounds often facilitate closed packed crystal structures as described by A. I. Kitaigorodskii in the form of the close packing principle but based on chemical featur

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18

"Multinuclear silver-ethynide supramolecular synthons for the construction of coordination networks." Thesis, 2007. http://library.cuhk.edu.hk/record=b6074380.

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Incorporation of heteroaromatic rings (pyridyl, pyrazinyl, pyrimidyl and thienyl) in the silver-ethynide supramolecular synthon led to a series of silver(I) double salts of various heterocyclic ethynide ligands. Through variation of the relative orientations between the ethynide moiety and heteroatom as well as between heteroatoms, different coordination networks were generated.<br>Synthetic and structural studies were carried out on a series of silver(I) complexes of phenylethynide and phenylethynide derivatives with alkyl substituents (methyl, tert- butyl, trifluoromethyl) at variable positi

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19

Sandhu, Bhupinder Kaur. "Exploring and anticipating supramolecular synthons: from fundamental science to practical applications." Diss., 2018. http://hdl.handle.net/2097/39113.

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Doctor of Philosophy<br>Department of Chemistry<br>Christer B. Aakeröy<br>Four different methods; molecular electrostatic potentials (MEPs), hydrogen-bond energies (HBE), hydrogen-bond propensities (HBP) and hydrogen-bond coordination (HBC) were used for mapping out the structural landscape of twelve pyrazole and twelve thiazole based molecules. In seven out of eight crystal structures obtained in pyrazoles, a combination of HBE and HBP predicted the experimentally observed synthons correctly. In all eight crystal structures obtained in thiazoles, the synthons were predicted correctly using al

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20

Saha, Subhankar. "Third Generation Crystal Engineering : Supramolecular Synthons, IR Spectroscopy and Property Design." Thesis, 2017. http://etd.iisc.ac.in/handle/2005/3855.

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Crystal engineering is defined as “the understanding of intermolecular interactions in the context of crystal packing and in the utilisation of such understanding in the design of new solids with desired physical and chemical properties”. If crystals are the supramolecular equivalents of molecules, then crystal engineering is the supramolecular equivalent of organic synthesis. The subject considers both crystal structure analysis and design of new structures with targeted properties. The concept of “Supramolecular Synthons” was introduced by G. R. Desiraju in this context, for the rational des

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21

Saha, Subhankar. "Third Generation Crystal Engineering : Supramolecular Synthons, IR Spectroscopy and Property Design." Thesis, 2017. http://etd.iisc.ernet.in/2005/3855.

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Crystal engineering is defined as “the understanding of intermolecular interactions in the context of crystal packing and in the utilisation of such understanding in the design of new solids with desired physical and chemical properties”. If crystals are the supramolecular equivalents of molecules, then crystal engineering is the supramolecular equivalent of organic synthesis. The subject considers both crystal structure analysis and design of new structures with targeted properties. The concept of “Supramolecular Synthons” was introduced by G. R. Desiraju in this context, for the rational des

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22

Silva, Elóisa Helena da Luz. "Polimorfos e co-cristais - Ativos clássicos e Ativos Emergentes." Master's thesis, 2017. http://hdl.handle.net/10316/83409.

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Dissertação de Mestrado em Química apresentada à Faculdade de Ciências e Tecnologia<br>O lançamento de um novo medicamento no mercado é um processo de custo elevado que pode levar 10-15 anos de trabalho árduo, desde a síntese e caracterização, passando por diferentes fases de ensaios. O desenvolvimento de novas formulações a partir de novas formas sólidas de ingredientes farmacêuticos ativos (API) pode trazer uma oportunidade única para o desenvolvimento de produtos confiáveis e mais eficazes com custo e intervalo de tempo limitado. A investigação de ocorrência de polimorfismo e a pesquisa de

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23

"Silver-halophenylethynide and silver-nitrophenylethynide supramolecular synthons for the construction of coordination networks." 2009. http://library.cuhk.edu.hk/record=b5896881.

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Wang, Minji.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2009.<br>Includes bibliographical references (leaves 91-97).<br>Abstracts in English and Chinese.<br>Acknowledgement --- p.i<br>Abstract --- p.ii<br>摘要 --- p.iii<br>Chapter Chapter 1. --- Introduction --- p.1<br>Chapter 1.1 --- Weak Intermolecular Interactions --- p.1<br>Chapter 1.1.1 --- Van der Waals Interaction --- p.1<br>Chapter 1.1.2 --- Hydrogen Bonds --- p.2<br>Chapter 1.1.3 --- π…π Interactions --- p.4<br>Chapter 1.1.4 --- Lone-Pair…Aromatic Interactions --- p.5<br>Chapter 1.1.5 --- Halogen…Halogen Interactions

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24

Κουνάβη, Κωνσταντίνα Α. "Κρυσταλλική μηχανική σύμπλοκων ενώσεων των Co(II), Ni(II), CU(II) και Zn(II) με παράγωγα του ιμιδαζολίου ως υποκαταστάτες". Thesis, 2011. http://nemertes.lis.upatras.gr/jspui/handle/10889/4527.

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25

Majumdar, Joydeb. "Developing Principles for Designing and Synthesizing Supramolecular Gelators and Their Various Applications." Thesis, 2019. http://hdl.handle.net/10821/8221.

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Self-assembled supramolecular gels obtained from low molecular weight gelators (LMWGs)have received significant attention over past few decades because of their wide range of applications that includes cosmetics, sensors,bio-mineralization, wound healing, liquid crystalline materials etc. the main objective of the thesis was to develop various drugs and/or bioactive agent based supramolecular gels fro their plausible biomedical applications such as wound healing, drug delivery etc. various new LMWGs were designed and synthesized from well known non-steroidal anti-inflammatory drugs .<br>Resear

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26

Dikundwar, Amol G. "Organic Fluorine in Crystal Engineering : Consequences on Molecular and Supramolecular Organization." Thesis, 2013. https://etd.iisc.ac.in/handle/2005/3352.

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The thesis entitled “Organic fluorine in crystal engineering: Consequences on molecular and supramolecular organization” consists of six chapters. The main theme of the thesis is to address the role of substituted fluorine atoms in altering the geometrical and electronic features in organic molecules and its subsequent consequences on crystal packing. The thesis is divided into three parts. Part I deals with compounds that are liquids under ambient conditions, crystal structures of which have been determined by the technique of in situ cryocrystallography. Part II demonstrates the utilizatio

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27

Dikundwar, Amol G. "Organic Fluorine in Crystal Engineering : Consequences on Molecular and Supramolecular Organization." Thesis, 2013. http://etd.iisc.ernet.in/2005/3352.

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The thesis entitled “Organic fluorine in crystal engineering: Consequences on molecular and supramolecular organization” consists of six chapters. The main theme of the thesis is to address the role of substituted fluorine atoms in altering the geometrical and electronic features in organic molecules and its subsequent consequences on crystal packing. The thesis is divided into three parts. Part I deals with compounds that are liquids under ambient conditions, crystal structures of which have been determined by the technique of in situ cryocrystallography. Part II demonstrates the utilization

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28

Mishra, Manish Kumar. "Probing Mechanical Properties Of Molecular Crystals with Nanoindentation : Applications to Crystal Engineering." Thesis, 2015. http://etd.iisc.ac.in/handle/2005/3652.

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Crystal engineering is widely applied in the design of new solids with desired physical and chemical properties based on an understanding of intermolecular interactions in terms of crystal packing. The understanding of such structure-property correlations increased my interest in the modulation of macroscopic properties of solid compounds. Establishing connections between structure and macroscopic properties is a classical aspect of materials science and engineering. With the advent of the nanoindentation technique, it is now possible to make such a link between micro-level structures with mec

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29

Mishra, Manish Kumar. "Probing Mechanical Properties Of Molecular Crystals with Nanoindentation : Applications to Crystal Engineering." Thesis, 2015. http://etd.iisc.ernet.in/2005/3652.

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Crystal engineering is widely applied in the design of new solids with desired physical and chemical properties based on an understanding of intermolecular interactions in terms of crystal packing. The understanding of such structure-property correlations increased my interest in the modulation of macroscopic properties of solid compounds. Establishing connections between structure and macroscopic properties is a classical aspect of materials science and engineering. With the advent of the nanoindentation technique, it is now possible to make such a link between micro-level structures with mec

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