Index Catalog // ScholarsArchive@OSU

Total Synthesis of Isotopologues of Xanthohumol and its Congeners for Biological Studies

Creator:: Plagmann, Layhna S.
Abstract:: Xanthohumol [XN, (E)-6´-methoxy-3´-(3-methylbuten-2-yl)-2´,4´,4´´-trihydroxychalcone], the principal prenylated chalcone from hops, and its 2,3-dihydro- (DXN) and O6-desmethyl-2,3-dihydro- (DDXN) congeners, are of potential utility for the amelioration of metabolic syndrome; however, their complex bioactivity profiles cannot be properly studied and understood without access to appropriately produced synthetic materials. In the first part of...
Resource Type:: Masters Thesis
Full Text:: R. Blakemore Xanthohumol [XN, (E)-6´-methoxy-3´-(3-methylbuten-2-yl)-2´,4´,4

Approaches to the synthesis of botryococcene : synthesis of the half molecule

Creator:: Strycker, Arden R.
Resource Type:: Dissertation
Full Text:: the Half Molecule AN ABSTRACT OF THE THESIS OF Arden R. Strycker for the degree of Doctor of

The Local Structure of Functional Electroceramics

Creator:: Culbertson, Charles M.
Abstract:: This work investigates the relationship between the local structure and physical properties of a set of classical (MgTiO3, CaTiO3, SrTiO3, and BaTiO3) and complex ((1-x)Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3[BZT-BCT], Na0.5Bi0.5TiO3 [NBT]) perovskite electroceramics. The materials in this work were synthesized via standard solid state ceramic synthesis, the structure was investigated through a number of...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Michelle R. Dolgos This work investigates the relationship between the local structure

The kinetic and radiolytic aspects of control of the redox speciation of neptunium in solutions of nitric acid

Creator:: Precek, Martin
Abstract:: Neptunium, with its rich redox chemistry, has a special position in the chemistry of actinides. With a decades-long history of development of aqueous separation methods for used nuclear fuel (UNF), management of neptunium remains an unresolved issue because of its not clearly defined redox speciation. Neptunium is present in two,...
Resource Type:: Dissertation
Full Text:: . Loveland, Dr. Philip R. Watson, Dr. Manish Gupta, Dr. Taifo Mahmud, and Dr. Abi T. Farsoni, who have

Studying fusion reactions for effect of PCN on heavy nucleus formation and for nuclear structure effects

Creator:: Naik, Radhika
Abstract:: The fusion reaction ²⁰⁸Pb (⁵⁰Ti, xn) ²⁵⁸⁻x Rf (x = 1-3) was studied to determine PCN (probability that the mononucleus system evolves to form a compound nucleus inside the fission saddle point) and to establish the value of Wsur (survival probability) for the given reaction experimentally. The fission excitation function...
Resource Type:: Dissertation
Full Text:: Dombsky, Peter Machule, Dave Ottewell, David Cross, Kate Gagnon, and William. J. Mills, the cyclotron

Electrochemistry at a reticulated vitreous carbon flow electrode

Creator:: Fahey, Jefferson Vincent
Abstract:: The electrochemistry of cadmium at a Reticulated Vitreous Carbon (RVC) electrode has been studied to determine the suitability of RVC as a working electrode for the electrochemical preconcentration of cadmium in the corrosive environment of zirconium dissolved in hydrofluoric acid. The electrochemistry in this investigation deals with deposition of solid...
Resource Type:: Masters Thesis
Full Text:: 113 42 System Response to Plug Inputs 123 43 Conversion Efficiency R vs Flow Rate 124 44 Stripping

Thermal reactions of some selected olefins

Creator:: Moy, Gerald George
Resource Type:: Dissertation
Full Text:: cyclohexanes were noted by Perrin and Faulkner (21). They presented a table of observed values of-RT ln(k

The retro-ene reaction of 2-vinylcyclohexanols and approaches to the synthesis of botryococcene

Creator:: Rusay, Ronald Joseph
Abstract:: The retro-ene reaction of 2-vinylcyclohexanols occurs readily in the vapor phase at 400-450° producing unsaturated carbonyl compounds in good yields. The starting- materials were prepared in general by the carbenoid addition reaction of ethyl diazoacetate, appropriately substituted cyclohexene, and copper catalyst to produce bicyclic esters which were reduced to the...
Resource Type:: Dissertation
Full Text:: - ably substituted starting materials. Scheme 1 R OH A 0 R' The retro-ene process was to be applied

Cyclization of olefinic β-ketoesters. An approach to the synthesis of aplysistatin

Creator:: Skeean, Richard William
Resource Type:: Dissertation
Full Text:: described above, makes this sub- LiA1H4 Cr03 45 H TsC1 C 5 H 5 N DB1J_ 44 r. H OH 42 Figure 16

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:: . J.; Rodriguez, A. D. J. Nat. Prod. 1991, 54, 629. 5. a) Faulkner, D. J.; Walker, R. P.; Engen, D

ScholarsArchive@OSU

Total Synthesis of Isotopologues of Xanthohumol and its Congeners for Biological Studies

Approaches to the synthesis of botryococcene : synthesis of the half molecule

The Local Structure of Functional Electroceramics

The kinetic and radiolytic aspects of control of the redox speciation of neptunium in solutions of nitric acid

Studying fusion reactions for effect of PCN on heavy nucleus formation and for nuclear structure effects

Electrochemistry at a reticulated vitreous carbon flow electrode

Thermal reactions of some selected olefins

The retro-ene reaction of 2-vinylcyclohexanols and approaches to the synthesis of botryococcene

Cyclization of olefinic β-ketoesters. An approach to the synthesis of aplysistatin

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

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