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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:: James D. White Studies towards the total synthesis of (+)-Phomactin A (1), D (6), and G (9), fungal

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:: Prianosin and Discorhabdin Alkaloids. Abstract approved: 1 James D. White Part 1. The synthesis of

Synthetic approaches to the tricarbonyl subunit of rapamycin

Creator:: LaMunyon, James B.
Abstract:: Rapamycin (5) was isolated in 1975 from the soil bacteria Streptomyces hygroscopicus and its structure was determined from spectroscopic techniques and an x-ray crystallographic analysis. Although it was initially found to exhibit antibiotic activity, it was subsequently shown to possess potent immunosuppressive activity as well. Three approaches to the synthesis...
Resource Type:: Masters Thesis
Full Text:: Tricarbonyl Subunit of Rapamycin. Abstract approved: James D. White Rapamycin (5) was isolated in 1975

Approaches to the synthesis of trichothecane sesquiterpenes

Creator:: Thomas, James Anthony
Resource Type:: Dissertation
Full Text:: - TERPENES. Redacted for Privacy Abstract approved: Dr. James D. White Synthetic studies were initiated

Characterization and applications of polyphenol chemiluminescence reactions and flow cell instrumentation

Creator:: Miller, Robert J. (Robert James), 1933-
Resource Type:: Dissertation
Full Text:: approved: Redacted for Privacy James D. Ingle, Jr. This thesis encompasses the development of direct

Total synthesis of (-)-7-epicylindrospermopsin

Creator:: Hansen, Joshua D.
Abstract:: The first asymmetric synthesis of (-)-7-epicylindrospermopsin via intramolecular nitrone cycloaddition is described. The synthesis utilized a convergent approach to prepare the cycloaddition precursor 176, which was assembled by condensation of hydroxylamine 175 with aldehyde 145. Hydroxylamine 175 was synthesized from ethylene glycol (166) in seven steps. Aldehyde 145 was completed...
Resource Type:: Dissertation
Full Text:: approved: _____ } U ! James D. White The first asymmetric synthesis of (-)-7-epicylindrospermopsin via

The determination of gasoline and alkyl benzenes in aqueous solution and the development of a remote reaction chamber for fiber optic remote sensing

Creator:: Waddle, Robert D.
Abstract:: The development and optimization of a single-phase derivatization technique for small ring aromatics in water are presented. Also described are the design, optimization and application of a remote reaction chamber for fiber optic sensing. Aqueous solutions of the major aromatic compounds in gasoline are derivatized to o-nitrosophenol-Cu complexes with a...
Resource Type:: Masters Thesis
Full Text:: Privacy J. D. Ingle, Jr. The development and optimization of a single-phase derivatization technique for

Synthetic transformations of shikimic acid

Creator:: White, Edward D., III
Abstract:: Four strategies which involve synthetic elaboration of the shikimate nucleus are discussed. Methyl shikimate was differentially protected as the 3,4-0-cyclopentylidene ketal and as the 5- 0- tert- butyldiphenylsilyl ether. The methyl ester was then reduced with diisobutylaluminum hydride and the resulting allylic alcohol was oxidized to aldehyde 47 with pyridinium...
Resource Type:: Masters Thesis
Full Text:: privacy Dr. James D. White Four strategies which involve synthetic elaboration of the shikimate nucleus

Design and application of a microcomputer automated multielement flame atomic fluorescence instrument

Creator:: Neyzari, Shahrokh Ghaffari
Abstract:: An automated multielement flame atomic fluorescence (AF) spectrometer based on microcomputer control was constructed to determine four elements simultaneously. The instrument employs a multiple exit slit monochromator where the light from various exit slits is directed to a single detector with a mirrored funnel. Each element is excited to fluoresce...
Resource Type:: Dissertation
Full Text:: (Ghaemi) Ghaffari Whom I (X)' the most, With special thanks to Dr. James D. Ingle, my thesis advisor

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

ScholarsArchive@OSU

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

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

Synthetic approaches to the tricarbonyl subunit of rapamycin

Approaches to the synthesis of trichothecane sesquiterpenes

Characterization and applications of polyphenol chemiluminescence reactions and flow cell instrumentation

Total synthesis of (-)-7-epicylindrospermopsin

The determination of gasoline and alkyl benzenes in aqueous solution and the development of a remote reaction chamber for fiber optic remote sensing

Synthetic transformations of shikimic acid

Design and application of a microcomputer automated multielement flame atomic fluorescence instrument

Approaches toward synthesis of the mycosporins

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