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Approaches to the synthesis of trichothecane sesquiterpenes

Creator:: Thomas, James Anthony
Resource Type:: Dissertation
Full Text:: sesquiterpenes AN ABSTRACT OF THE THESIS OF James Anthony Thomas for the degree of Doctor of Philosophy in

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:: AN ABSTRACT OF THE THESIS OF James B. LaMunyon for the degree

Cis-2,5-diaminobicyclo[2.2.2]octane : a novel C₂-symmetric scaffold for asymmetric catalysis

Creator:: Shaw, Subrata
Abstract:: This thesis describes the development of a new enantioselective synthetic method employing chiral cis-2,5-diaminobicyclo[2.2.2]octane-based organometallic catalysts. The significance of this new method to organic synthesis is illustrated with preparation of enantioenriched products that are transformed to important pharmaceutical agents. Chapter 1 provides a brief historical overview of asymmetric catalysis, especially...
Resource Type:: Dissertation
Full Text:: [2.2.2]octane: A Novel C2-Symmetric Scaffold for Asymmetric Catalysis Abstract approved: James D

The synthesis of macrolactones from [omega]-hydroxyacyl xanthates

Creator:: Akella, Annapoorna
Resource Type:: Masters Thesis
Full Text:: Chemistry presented on August 23, 1991 . Title: The Synthesis of Macrolactones From w-Hydroxy Acyl

Part I. The total synthesis of (±)-cinnamodial and related drimane sesquiterpenes; Part II. Photochemical activation of the carboxyl group via N-Acyl-2-thionothiazolidines

Creator:: Burton, Lester Percy Joseph
Resource Type:: Dissertation
Full Text:: NAcy1-2-thionothiazolidines Abstract approved: Redacted for privacy DT. James D. White Part I A total

Synthetic studies on natural products : Part I. The total synthesis of ±-euonyminol and ±-3,4-dideoxymaytol : Part II. The absolute configuration and enantioselective synthesis of curacin A

Creator:: Kim, Tae-Seong
Resource Type:: Dissertation
Full Text:: Synthesis of Curacin A . Abstract approved: James D. White Part I. The determination of the absolute

Intramolecular diels-alder cycloadditions of citraconic and mesaconic esters ; Studies on the synthesis of the northwest and southeast segments of boromycin

Creator:: Sheldon, Bernard Gale
Resource Type:: Dissertation
Full Text:: BOROMYCIN Redacted for privacyAbstract approved: Dr. James D. White The thermal cycloaddition of trans

Synthesis of furanoeremophilane sesquiterpenoids

Creator:: Shanmugham, Meenakshi Sundaram
Abstract:: Two approaches to the tricyclic core of the furanoeremophilane sesquiterpenoids are described. The first approach entails a projected Diels-Alder/retro Diels-Alder reaction of an acetylenic oxazole 64. Construction of the pivotal aldehyde 67 commenced from ketone 68. The acetyenic moiety was then introduced via a Felkin-Ahn addition of lithiopropyne to aldehyde...
Resource Type:: Dissertation
Full Text:: FURANOEREMOPHILANE SESQUITERPENOIDS Abstract approved: James D. White Two approaches to the tricyclic core of 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

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:: approved: James D. White I. A new stereoselective route for the synthesis of E,Z-1,3-dienes using a

ScholarsArchive@OSU

Approaches to the synthesis of trichothecane sesquiterpenes

Synthetic approaches to the tricarbonyl subunit of rapamycin

Cis-2,5-diaminobicyclo[2.2.2]octane : a novel C₂-symmetric scaffold for asymmetric catalysis

The synthesis of macrolactones from [omega]-hydroxyacyl xanthates

Part I. The total synthesis of (±)-cinnamodial and related drimane sesquiterpenes; Part II. Photochemical activation of the carboxyl group via N-Acyl-2-thionothiazolidines

Synthetic studies on natural products : Part I. The total synthesis of ±-euonyminol and ±-3,4-dideoxymaytol : Part II. The absolute configuration and enantioselective synthesis of curacin A

Intramolecular diels-alder cycloadditions of citraconic and mesaconic esters ; Studies on the synthesis of the northwest and southeast segments of boromycin

Synthesis of furanoeremophilane sesquiterpenoids

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

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

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