Index Catalog // ScholarsArchive@OSU

A stereochemically controlled approach to the morphine alkaloids: racemization of 8,9-benzo-4,5-dihydro-6,7-pyrido[4,3-d] oxanin-3(2H)-ones

Creator:: Runyan, Mark T.
Abstract:: A method for the control of absolute stereochemistry in morphine syntheses has been demonstrated by the resolution and efficient racemization of the advanced morphine precursor , 9-methoxy-3-methyl-5,6-dihydro-3H-benzofuro[3,2-e]isoquinoline- 7(7aH)-one, I. This was accomplished by the facile coversion of optically resolved I to its ring opened form, 5,6,7,8-tetrahydro-10-methoxy-3-methyl-7-oxo[1]benzoxonino[ 6,7-c]pyridinium tosylate, II, (Equation...
Resource Type:: Masters Thesis
Full Text:: alkaloids: racemization of 8,9-benzo-4,5-dihydro-6,7-pyrido[4,3-d] oxanin-3(2H)-ones AN ABSTRACT OF THE

Advanced studies on the biosynthesis of the streptolidine moiety of streptothricin F

Creator:: Jackson, Michael D.
Resource Type:: Dissertation
Full Text:: Moiety of Streptothricin F AN ABSTRACT OF THE THESIS OF Michael D. Jackson for the degree of Doctor of

Part I : development and application of an arsenic speciation technique using ion-exchange solid phase extraction coupled with GFAAS ; Part II : investigation of zinc amalgam as a reductant

Creator:: Bos, Mark C.
Abstract:: Two related techniques, based upon ion-exchange solid phase extraction, have been developed for the determination of arsenic speciation. The inorganic arsenic species arsenite (As(III)) and arsenate (As(V)) are separated by anion-exchange and detected with graphite furnace atomic absorption spectrophotometry (GFAAS) with a nickel matrix modifier. The first separation technique, which...
Resource Type:: Masters Thesis
Full Text:: Ion-Exchange Solid Phase Extraction Coupled with GFAAS Mark C. Bos and James D. Ingle Jr

Synthetic studies on marine natural products : I. Stereoselective synthesis of E,Z-1,3-Dienes by tandem nucleophilic addition to a dienylphosphonium salt followed by Wittig reaction. II. Synthesis of cyclopropyl oxylipins by a cation mediated carbocyclization

Creator:: Jensen, Mark S.
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE DISSERTATION OF Mark S. Jensen Jr. for the degree of Doctor of Philosophy in Chemistry

Synthesis of novel ambifunctional atropisomeric 2,2',6,6'-tetrasubstituted biphenyls and investigation of their properties and organocatalytic activity

Creator:: Sephton, Mark Alan
Abstract:: Ambifunctional axially chiral 2,2',6,6'-tetrasubstituted biphenyls containing nucleophilic (or basic) functional groups juxtaposed with hydrogen-bond donors were synthesized and their properties studied. Applications for the prepared biaryls as potential organocatalysts for enantioselective carbon-carbon bond forming reactions were examined. Processes investigated included: aldol, Michael, nitroaldol (Henry), and Baylis-Hillman reactions. The novel amidoamine...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Mark Alan Sephton for the degree of Doctor of Philosophy

The cyclization reactions of certain 5-amino-4-chloro-6-hydrazinopyrimidines with phosgene

Creator:: Krackov, Mark Harry
Resource Type:: Dissertation
Full Text:: -HYDRAZINOPYRIMIDINES WITH PHOSGENE by MARK HARRY KRACKOV A THESIS submitted to OREGON STATE UNIVERSITY in

Studies on the catalytic dehydrogenation of borneol

Creator:: Bocek, Max Mark
Resource Type:: Masters Thesis
Full Text:: BORNEOL by MAX MARK BOCEK A THESIS submitted to the OREGON STATE COLLEGE in partial

Studies towards the total syntheses of (+)-phomactins A, D and G

Creator:: Schwartz, Keith D.
Abstract:: Studies towards the total synthesis of (+)-Phomactin A (1), D (6), and G (9), fungal metabolites with unique molecular architecture and pronounced biological activity, are described. These studies resulted in the synthesis of advanced intermediates 354 and 356, which contain all of the carbon atoms of 1, 6 and 9....
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Keith D. Schwartz for the degree of Doctor of Philosophy in Chemistry presented

Atropisomeric 8,8'-biquinolyl derivatives : synthesis, properties and applications

Creator:: Milicevic, Selena D.
Abstract:: 7,7'-Dihydroxy-8,8'-biquinolyl (azaBINOL) was prepared from 7-hydroxyquinoline via N,N-dimethyl O-quinol-7-yl carbamate by directed ortho-metallation followed by FeCl₃-mediated oxidative coupling of the 8-lithioquinoline intermediate. Saponification of the resulting dicarbamate provided crystalline (±)-azaBINOL in 56% overall yield. 6,6'-Bis(dimethylaminocarbonyl)-7,7'-dihydroxy-8,8´-biquinolyl was prepared from the same dicarbamate by a double anionic-Fries rearrangement in 43% yield. 7,7'-Bis(diethylamino-carbonyloxy)-6,6'-diiodo-8,8´-biquinolyl...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Selena D. Milicevic for the degree of Doctor of Philosophy in Chemistry presented on

Synthetic studies on marine natural products : Part 1. Synthesis of the sesquiterpenoid dihydropallescensin D via manganese(III)- mediated carbocyclization. Part 2. Approaches toward the synthesis of prianosin and discorhabdin alkaloids

Creator:: Yager, Kraig M.
Resource Type:: Dissertation
Full Text:: . Synthesis of the sesquiterpenoid dihydropallescensin D via manganese(III)- mediated carbocyclization. Part 2

Approaches toward synthesis of the mycosporins

Creator:: Cammack, Janice H.
Abstract:: The mycosporins, formerly called P310's are secondary metabolites of fungi closely associated with fungal reproductive processes that require light. The structurally related iminomycosporins are found in marine plants and animals and may also have functions related to light. In this study, approaches toward the asymmetric synthesis of the mycosporins are...
Resource Type:: Dissertation
Full Text:: . James D. White Abstract approved: The mycosporins, formerly called P310's are secondary metabolites

Design, development and optimization of a fluorometric reaction-rate instrument and method of analysis for metal ions

Creator:: Wilson, Robert Loren
Abstract:: The design, construction and operation of a fluorometric reaction rate instrument is described. The instrument is designed for simple operation with maximum versatility. Advantages and modes of operation of the system are discussed in detail. The instrument is used for the kinetics-based determination of trace levels of Ag and Al....
Resource Type:: Dissertation
Full Text:: the above mechanisms are in agreement with the experimental rate law d[S20:1 dt 16 = k[S208

Proton-neutron-hole states in antimony isotopes populated in the beta decay of ¹²⁸SN and ¹³⁰SN

Creator:: Nunnelley, Lewis Lee
Abstract:: ¹³⁰ Sn and ¹²⁸Sn were separated from mixed fission products. The decay of these isotopes were studied with Ge(Li), LEPS, and plastic scintillator detector systems in single and two parameter coincidence modes. The decay scheme constructed for ¹²⁸Sn decay has levels at 0.0 (5+), 45.7 (4+), 77.8 (3+), 152.9 (2+),...
Resource Type:: Dissertation
Full Text:: -polarization was used to try to explain the hindrance in the 6 decay of a d3/2 neutron to a d 5/2 proton

A reaction rate determination of aluminum with a microcomputer-based spectrofluorometer

Creator:: Campi, Gregory Louis
Abstract:: The development and optimization of a fluorometric reaction rate method for the determination of aluminum is described. Modifications to existing instrumentation permit automatic monitoring and reporting of measurement conditions. Automatic correction of measured analytical signals is provided if monitored parameters deviate from optimum values. A computer controlled standard addition procedure...
Resource Type:: Masters Thesis
Full Text:: ALUMINUM WITH A MICRO- COMPUTER BASED SPECTROFLUOROMETER Abstract approved: Redacted for Privacy J. D

Determination of trace concentrations of cobalt via lucigenin chemiluminescence

Creator:: Montano, Laurence Alan
Abstract:: The application of lucigenin chemiluminescence for the determination of trace concentrations of Co(II) is described. This method is based on the enhancing effect that Co(II) has on the reaction of lucigenin and hydrogen peroxide in a basic solution. The chemiluminescence signal from a Co(II) enhanced lucigenin reaction, which is in...
Resource Type:: Masters Thesis
Full Text:: Description a sample module b PMT module c sample module lid d Swagelock injection port e hinge f access

Applications of redox indicators for evaluating redox conditions in environmental samples

Creator:: Jones, Brian Dion
Resource Type:: Dissertation
Full Text:: Conditions in Environmental Samples AN ABSTRACT OF THE THESIS OF Brian D. Jones for the degree of Doctor

Applicability of the Diels-Alder reactions of o-quinones towards the synthesis of quassinoids and preparation of oxygenated benzeneacetic acids

Creator:: Stirchak, Eugene P.
Resource Type:: Dissertation
Full Text:: . Dwight D. Weller Abstract Approved: The reactions of 3,5-disubstituted o-quinones (59a, 59c) and 4

Development of chemostats and use of redox indicators for studying redox transformations in biogeochemical matrices

Creator:: Lemmon, Teresa L.
Resource Type:: Dissertation
Full Text:: Matrices. Abstract approved. James D. Ingle Jr. Two sophisticated reactor systems were developed for

A microcomputer automated anodic stripping voltammetric analyzer for trace heavy metal speciation

Creator:: Dewald, Lamar Robert
Abstract:: An automated instrument based on a single-board microcomputer was developed for use in voltammetric analyses. Operator input of numerous experiment parameters allows any type of voltammetric analysis to be implemented and multiple scans to be run unattended. A three operational amplifier potentiostat is used to control the cell voltage and...
Resource Type:: Dissertation

Tandem intramolecular photocycloaddition-retro-Mannich fragmentation as a route to indole and oxindole

Creator:: Li, Yang
Abstract:: Irradiation of a tryptamine linked through its side-chain nitrogen to an alkylidene malonate residue results in an intramolecular [2 + 2] cycloaddition to the indole 2,3-double bond. The resultant cyclobutane undergoes spontaneous retro-Mannich fission to produce a spiro[indoline-3,3-pyrrolenine] with relative configuration defined by the orientation of substituents in the transient...
Resource Type:: Dissertation
Full Text:: approved: James D. White

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