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Approaches to the synthesis of penicillin

Creator:: Furuta, Takuya
Abstract:: Several approaches to the synthesis of penicillin from 2-iminothioazolidine 50, from 2-thiothiazolidine 66 and by photocyclization of 77 and 78 were investigated. 2-Iminothiazolidine 50 was prepared from dibromoester 45 by the action of benzylamine followed by treatment of aziridine 46 with potassium or ammonium thiocyanate. Attempted introduction of a two-carbon...
Resource Type:: Dissertation
Full Text:: Dr. Richard Wielesek, Department of Chemistry, University of Oregon, Eugene, Oregon for regular and

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

Creator:: Skeean, Richard William
Resource Type:: Dissertation
Full Text:: for Richard W. Skeean iv AKNOWLEDGEMENTS I wish to thank Dr. James D. White for his support and

Gas chromatography of metal halides

Creator:: Dennison, James Eugene
Abstract:: An all-glass gas chromatograph was developed for the analysis of corrosive metal halides. Included in the apparatus is a new liquid sampling system designed for fast repetitive sampling of corrosive liquids in an inert atmosphere. A flame photometer detector was developed to permit the detection of corrosive solutes in the...
Resource Type:: Dissertation
Full Text:: THESIS OF James Eugene Dennison for the Ph. D. in Chemistry (Name) Date thesis is presented

Certain chemical and sense-perceptible changes resulting from the gamma irradiation of meats and model systems

Creator:: Jones, Dallas Eugene
Resource Type:: Masters Thesis
Full Text:: CHANGES RESULTING FROM THE G&~A IRRADIATION OF MEATS AND MODEL SYSTEMS by DALLAS EUGENE JONES A

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:: THE THESIS OF Eugene P. Stirchak for the degree of Doctor of Philosophy in Chemistry presented on

Alkylation studies on Hagemann's ester: an approach to the synthesis of the trisporic acids

Creator:: Sung, Wing Lam
Abstract:: Sequential alkylation of Hagemann's ester with methyl and methallyl halides has been studied. Treatment of Hagemann's ester with methyl iodide and sodium ethoxide gave a mixture of 21 and 25 in a ratio of 4:1. Alkylation of 21 with methallyl chloride and potassium t-butoxide afforded a mixture of 37 and...
Resource Type:: Masters Thesis
Full Text:: Privacy James D. White Sequential alkylation of Hagemann's ester with methyl and methallyl halides has

The synthesis of macrolactones from [omega]-hydroxyacyl xanthates

Creator:: Akella, Annapoorna
Resource Type:: Masters Thesis
Full Text:: Xanthates Redacted for Privacy Abstract approved: James D. White The synthesis of macrolactones from 0

Approaches to the synthesis of methymycin

Creator:: Raghavan, Palaykotai Rajagopalan
Abstract:: Several approaches to the synthesis of methymycin were investigated. Segment A (39), containing functionality corresponding to C-9, 10, and 11 of methynolide was made in six steps from propionaldehyde in an overall yield of 37%. Oxidation of 34 with silver nitrate gave 35 which, upon hydroxylation with hydrogen peroxide, gave...
Resource Type:: Dissertation
Full Text:: approved: Dr. James D. White Several approaches to the synthesis of methymycin were investigated

The total synthesis of (-)- acorenone B ; Approaches to the synthesis of mycosporin (P 310)

Creator:: Ruppert, John Fredrick
Resource Type:: Dissertation
Full Text:: : Redacted for Privacy Dr, James D. White An improved technique for synthesis of p-hydroxy esters via the

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

ScholarsArchive@OSU

Approaches to the synthesis of penicillin

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

Gas chromatography of metal halides

Certain chemical and sense-perceptible changes resulting from the gamma irradiation of meats and model systems

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

Alkylation studies on Hagemann's ester: an approach to the synthesis of the trisporic acids

The synthesis of macrolactones from [omega]-hydroxyacyl xanthates

Approaches to the synthesis of methymycin

The total synthesis of (-)- acorenone B ; Approaches to the synthesis of mycosporin (P 310)

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

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