Index Catalog // ScholarsArchive@OSU

Studies toward the synthesis of halichlorine and pinnaic acid

Creator:: Korf, Eric A.
Abstract:: Three approaches toward the core of halichlorine and pinnaic acid are described. The first approach entails a racemic transannular nitrone-olefin [3+2] cycloaddition from nitrone 238. Construction of the nitrone 238 began with aldehyde 241. Another key feature in this route involved a ring-closing metathesis for the formation of a 14-membered...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Eric A. Korf for the degree of Doctor of Philosophy in Chemistry presented on July 24

Rhenium-catalyzed oxygen-atom transfer reactions : mechanism and applications

Creator:: Brown, Eric C.
Abstract:: In situ reduction of hydrido-tris-(3,5-dimethylpyrazolyl)borato(trioxo) rhenium(V) with triphenylphosphine or triethylphosphite leads to a reactive rhenium(V) species that catalytically deoxygenates epoxides at 75-105°C. The reaction is stereospecific, except for trans- and cis-butene oxide which formed minor amounts of the opposite isomer. A variety of different functional groups were tolerated and even...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Eric C. Brown for the degree

Studies of ammonia gas transport and fluorimetric detection in an aqueous solution

Creator:: Clark, Eric J.
Resource Type:: Masters Thesis
Full Text:: an aqueous solution AN ABSTRACT OF THE THESIS OF Eric J. Clark for the degree of Master of Science

Preparation and Lewis acid properties of diboron tetrafluoride and related compounds

Creator:: Hansen, John Donald
Abstract:: Attempts to synthesize diboron tetrafluoride by the reduction of boron trifluoride with alkali metal solutions in 1, 2-dimethoxyethane proved to be unsuccessful. No diboron tetrahalide was found when boron trifluoride, antimony trifluoride, or boron trichloride was reacted with tetra-(dimethylamino)-diboron; although there appeared to be some exchange between chloride and amine...
Resource Type:: Dissertation
Full Text:: tetrafluoride and related compounds AN ABSTRACT OF THE THESIS OF JOHN DONALD HANSEN for the Ph. D. in

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:: OF THE DISSERTATION OF Joshua D. Hansen for the degree of Doctor of Philosophy in Chemistry

I. Isolation of certain toxic components of kraft mill waste and attempts to determine their structure. ; II. Studies of the mechanism of the cope rearrangement of 1,2-divinyl-1, 2-cyclohexanediol

Creator:: Banks, Richard Charles
Abstract:: PART I. A chemical examination of the materials toxic to fish in kraft pulp mill wastes has been made as part of a water pollution study. Thirty gallons of "foul condensate" from a typical kraft mill gave 14 g of organic material when extracted with methylene chloride, and an additional...
Resource Type:: Dissertation
Full Text:: - HEXANEDIOL Abstract approved: Elliot N. Marvell PART I. A chemical examination of the materials toxic to

Preparation and characterization of n-octadecylcycloazadiboron

Creator:: Heusser, Roger Karvel
Abstract:: A preparative method for a new compound n-octadecylcycloazadi-boron (CAB), in high yield has been developed. CAB was isolated as an intermediate in the octadecylamine-catalyzed hydrolysis of pentaborane. The most probable structure of CAB can be regarded as a derivative of the three membered ring cycloazadiboron with a n-octadecyl group substituted...
Resource Type:: Masters Thesis
Full Text:: Preparation and Characterization of N

Multielement atomic absorption and fluorescence spectrometry

Creator:: Salin, Eric Dunbar
Abstract:: A multielement spectrometer has been developed for the simultaneous determination of four elements by atomic absorption (AA) or atomic fluorescence (AF). The spectrometer is based on a multiple exit slit monochromator and uses a mirrored funnel to direct light from the various exit slits to a single photomultiplier. There are...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF ERIC DUNBAR SALIN for the

Searching for new niobium oxide based superconductors

Creator:: Bacon, Paul Eric
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Paul Eric Bacon for the degree of Master of Science in Chemistry presented on

Mechanisms of photohydrodebromination of bromoarenes

Creator:: Carlson, J. Eric
Abstract:: The photohydrodebromination of brominated paracyclophanes was studied to help elucidate the possible mechanistic pathways leading to product for bromoarenes in general. Several brominated [2.2]paracyclophanes were studied to determine the effect of substitution patterns on this reaction. [2.2]Paracyclophanes were chosen for this study in order to investigate possible intramolecular excimer formation...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT J. Eric Carlson for the degree of Masters of Science in Chemistry presented on April 23, 1993

ScholarsArchive@OSU

Studies toward the synthesis of halichlorine and pinnaic acid

Rhenium-catalyzed oxygen-atom transfer reactions : mechanism and applications

Studies of ammonia gas transport and fluorimetric detection in an aqueous solution

Preparation and Lewis acid properties of diboron tetrafluoride and related compounds

Total synthesis of (-)-7-epicylindrospermopsin

I. Isolation of certain toxic components of kraft mill waste and attempts to determine their structure. ; II. Studies of the mechanism of the cope rearrangement of 1,2-divinyl-1, 2-cyclohexanediol

Preparation and characterization of n-octadecylcycloazadiboron

Multielement atomic absorption and fluorescence spectrometry

Searching for new niobium oxide based superconductors

Mechanisms of photohydrodebromination of bromoarenes

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