Benzobisoxazole Cruciforms and Guanosine Derivatives: Syntheses, Structural Analyses, and Optical Properties

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dc.contributor.advisorMiljanić, Ognjen Š.
dc.contributor.committeeMemberLee, T. Randall
dc.contributor.committeeMemberGilbertson, Scott R.
dc.contributor.committeeMemberJacobson, Allan J.
dc.contributor.committeeMemberBrankovic, Stanko R.
dc.creatorLim, Jaebum 1978-
dc.date.accessioned2014-03-13T21:20:00Z
dc.date.available2014-03-13T21:20:00Z
dc.date.createdDecember 2012
dc.date.issued2012-12
dc.date.updated2014-03-13T21:20:05Z
dc.description.abstractThis dissertation presents two studies in supramolecular chemistry; one is the chemistry of benzobisoxazole cruciforms in which two linearly conjugated π systems meet at the unsaturated center, and the other is that of guanosine derivatives. Chapter One. This chapter summarizes the previous work on molecular cruciforms: tetrakis(arylethynyl)benzenes, distyrylbis(arylethynyl)benzenes, tetrakis(aryl-vinyl)benzenes, and tetraethynylethenes. Chapter Two. The synthesis, optical properties, and computational calculation of benzobisoxazole-based molecular cruciforms are presented. The potential use of donor/acceptor substituted cruciforms as sensors is also discussed, and optical response of cruciform compounds to different concentration of trifluoroacetic acid in the liquid state is presented. Chapter Three. A method for the identification method of carboxylic acids, organoboronic acids, phenols, amines, ureas, and tetrabutylammonium salts is described using one of donor/acceptor substituted benzobisoxazole-cruciforms as the sensor. Chapter Four. Structural study of benzobisoxazole cruciforms is presented: their solid state structures, obtained by X-ray crystallography, are presented. Chapter Five. The synthesis and structural analysis of 8-arylethynyl substituted guanosine derivatives is presented. The structural effects of this substitution, in comparison to the previous work in guanosine chemistry, is also discussed.
dc.description.departmentChemistry, Department of
dc.format.digitalOriginborn digital
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/10657/550
dc.language.isoeng
dc.rightsThe author of this work is the copyright owner. UH Libraries and the Texas Digital Library have their permission to store and provide access to this work. Further transmission, reproduction, or presentation of this work is prohibited except with permission of the author(s).
dc.subjectSelf-assembly
dc.subjectBenzobisoxazole
dc.subjectCruciform molecules
dc.subjectFluorophores
dc.subjectSensors
dc.subjectGuanosine
dc.subject.lcshChemistry, Organic
dc.titleBenzobisoxazole Cruciforms and Guanosine Derivatives: Syntheses, Structural Analyses, and Optical Properties
dc.type.dcmiText
dc.type.genreThesis
thesis.degree.collegeCollege of Natural Sciences and Mathematics
thesis.degree.departmentChemistry, Department of
thesis.degree.disciplineChemistry
thesis.degree.grantorUniversity of Houston
thesis.degree.levelDoctoral
thesis.degree.majorOrganic Chemistry
thesis.degree.nameDoctor of Philosophy

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