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Filtering by: Creator Robinson, David Remove constraint Creator: Robinson, David Academic Affiliation Chemistry Remove constraint Academic Affiliation: Chemistry

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  • Applications of the Mannich reaction

    Creator:
    Bush, David Clair
    Resource Type:
    Dissertation
    Full Text:
    MANNICH REACTION by DAVID CLAIR BUSH A THESIS submitted to OREGON STATE COLLE}E in partial

  • The adsorption of uranium ions from seawater

    Creator:
    Fyke, David Ray
    Abstract:
    The adsorption of uranium ions from seawater could be of importance as reserves of uranium are depleted. The structure, chemical state, and concentration of uranium in seawater have been previously determined. Uranium exists as a charged ion, UO₂(CO₃)₃⁴⁻. The concentration in seawater is 3.3 parts per billion. Previous studies with...
    Resource Type:
    Masters Thesis
    Full Text:
    OF THE THESIS OF David Ray Fyke for the degree of Master of Science in Chemistry presented on

  • Steroid dialkylcarbene reactions

    Creator:
    Dixon, Dale David
    Abstract:
    Steroid carbenes have been investigated as synthetic intermediates. Basic decomposition of 4-en-3-one tosylhydrazones (and other A-ring systems) gives varying amounts of 2, 4-dienes, and solvent derived products with diglyme, heptane, tetrachloroethylene, carbon tetrachloride, benzene and cyclohexene. A method for separating complex product mixtures was developed and a study of the...
    Resource Type:
    Dissertation
    Full Text:
    THESIS OF DALE DAVID DIXON (Name) for the DOCTOR OF PHILOSOPHY (Degree) in "CHEMISTRY (ORGANIC

  • The development of aminal radicals for the synthesis of nitrogen-rich natural products

    Creator:
    Schiedler, David A.
    Abstract:
    Organic compounds which contain one or more nitrogen atoms are especially important as they are disproportionately represented among biologically active molecules. As a result, significant effort has been focused on the development of methods for the synthesis of nitrogenous molecules. We identified the aminal as an under-explored functional group. Despite...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF David A

  • Studies toward the total synthesis of alkaloids : nagelamide A and D, agelastatin D, dragmacidin A-C, salacin and almazoles

    Creator:
    Tonsiengsom, Sorasaree
    Abstract:
    Studies toward the total syntheses of highly potent cytotoxic alkaloids including the bromopyrrole alkaloids and indole alkaloids were conducted and are described. Studies carried out in the course of this dissertation consist of five total syntheses of natural products that include bromopyrrole alkaloids nagelamide A, D and agelastatin D as...
    Resource Type:
    Dissertation
    Full Text:
    and Gabriel-Robinson oxazole synthesis with chiral, nonracemic keto amides. An integral aspect of

  • Substitutional Effects on the Electromechanical Properties of Lead-free, Piezoelectric (Na₀.₅Bi₀.₅)TiO₃-BaTiO₃ (NBT-BT)

    Creator:
    McQuade, Ryan R.
    Abstract:
    This work investigates the effect of cation substitution on the properties of the lead-free, solid solution (Na₀.₅Bi₀.₅)TiO₃-BaTiO₃ (NBT-BT). Substitution into NBT-BT increases disorder and increases the relaxor ferroelectric properties. These relaxor ferroelectric materials show large piezoelectric strains that can be utilized in actuator applications. Ceramic samples were prepared using standard...
    Resource Type:
    Dissertation
    Full Text:
    David Cann and his group for always being supportive and kind enough to share lab space and research

  • The Role of Materials Chemistry in Designing Advanced Color Inorganic Pigments

    Creator:
    Medina, Elena A.
    Abstract:
    The results of the research presented in this work are related to synthesis and investigations of novel color inorganic pigments having various structures and shades. Inorganic pigments play a major role in contemporary life. They are used in paints, rubber, plastic, cosmetics etc. Searching for new, stable, environmentally benign and...
    Resource Type:
    Dissertation
    Full Text:
    how to write scientific papers. She is a talented crystallographer! I appreciate Dr. David Cann, Dr

  • Synthesis of furanoeremophilane sesquiterpenoids

    Creator:
    Shanmugham, Meenakshi Sundaram
    Abstract:
    Two approaches to the tricyclic core of the furanoeremophilane sesquiterpenoids are described. The first approach entails a projected Diels-Alder/retro Diels-Alder reaction of an acetylenic oxazole 64. Construction of the pivotal aldehyde 67 commenced from ketone 68. The acetyenic moiety was then introduced via a Felkin-Ahn addition of lithiopropyne to aldehyde...
    Resource Type:
    Dissertation
    Full Text:
    Gable, Professor David Home and Professor Max Deinzer for their time and support. I thank the past and

  • Development, validation and the application of a congener specific photodegradation model for PBDEs

    Creator:
    Zeng, Xia
    Abstract:
    The thermodynamic properties of 39 PBDEs have been calculated using Gaussian 03 on the B3LYP/6-31G(d)//B3LYP/6-31G(d) level. The PBDE congeners' enthalpies of formation increase with increasing number of bromines and show a strong dependence on the bromine substitution pattern. The effects of bromine substitution pattern have been quantitatively studied by GAM...
    Resource Type:
    Dissertation

  • Bridging the Gap Between Equilibrium Properties and Ultrafast Dynamics with Time-Resolved Spectroscopy of Functional Systems

    Creator:
    Krueger, Taylor D.
    Abstract:
    Ultrafast spectroscopy has recently gained momentum as a powerful, noninvasive characterization toolset capable of studying a diverse array of samples with applications in chemistry, physics, biology, engineering, and more. Two popular ultrafast spectroscopic techniques include femtosecond transient absorption (fs-TA) and femtosecond stimulated Raman spectroscopy (FSRS). The latter of these techniques...
    Resource Type:
    Dissertation
    Full Text:
    . Oksana Ostroverkhova, Dr. Seri Robinson, Dr. Gregory Giesbers, and Ray Van Court formed an excellent