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Progress Towards the Total Synthesis of Bazzanin K

Creator:: Salvo, Patrick
Abstract:: Molecular chirality plays a critical role in chemistry, biology, and medicine. To study and better understand conformational chirality, it is necessary to obtain structurally interesting molecules that exhibit this form of chirality. Our lab utilizes total synthesis and methodological development to obtain conformationally chiral natural products of interest. We believe...
Resource Type:: Masters Thesis
Full Text:: ., 2003, 42, 730—765. 10 K. C. Nicolaou, H. J. Mitchell, N. F. Jain, N. Winssinger, R. Hughes, and

The use of the Diels-Alder reaction in asymmetric synthesis

Creator:: Dei Rossi, Dale Raymond
Abstract:: The Diels-Alder reaction represents a promising tool for use in asymmetric synthesis. The reaction involves a rigid transition state that facilitates the formation of one diastereomeric transition state and is reversible. This satisfies two necessary criteria for asymmetric synthesis. The Diels-Alder reactions of 1,l-dialkylspiro[2.4]-4,6- heptadienes with maleic anhydride and p-benzoquinone...
Resource Type:: Masters Thesis
Full Text:: Abstract Approved: Redacted for Privacy Peter K. Freeman The Diels-Alder reaction represents a promising

Development of stable x-ray fluorescent tracers for use in small water systems

Creator:: Dzata, Francis K. A.
Resource Type:: Masters Thesis
Full Text:: p e a k i n t h e s p e c t r u m o f t h e c a t i o n i o n - e x c h a n g e p a p

Strontium substitutions into the high-temperature Tl/Ba/Ca/Cu/O 2223 superconductor

Creator:: Kamadoli, Amar K.
Resource Type:: Masters Thesis
Full Text:: /Ca/Cu/O 2223 superconductor AN ABSTRACT OF THE THESIS OF Amar K. Kamadoli for the degree of Master

Preparation and properties of polyglycyl insulin

Creator:: Wu, Lily Henson Liu
Abstract:: In order to understand more about insulin behavior in solution, Zn-free insulin was modified by adding polyglycyl chains to the molecule and then observing the effect of the peptide on the behavior of insulin under various conditions. NCA-glycine (N-Carboxyglycine anhydride) of high purity was reacted with Zn-free insulin in aqueous...
Resource Type:: Masters Thesis
Full Text:: . ACKNOWLEDGEMENT I would like to thank Dr. Robert R. Becker, whose guidance, interest, and encouragement have

Bioprospecting the Chemical Diversity of Plant-associated Fungi

Creator:: González-Montiel, Gisela Abigail
Abstract:: Fungi have long been used for discovery of new chemical scaffolds. In the clinical setting, the fungal natural products penicillin, statins, and cyclosporine have revolutionized medicine to treat diseases and infections. In the environment, fungal natural products have been used as herbicides, fungicides, and insecticides to protect crops, livestock, and...
Resource Type:: Masters Thesis

A study of the chemistry of diisopropyl-, cyclopropylisopropyl-, and dicyclopropylcarbene

Creator:: Wuerch, Stephen E.
Abstract:: The effect of the conjugation with cyclopropyl rings on the activation parameters for the formation of carbenes from the corresponding diazo compounds was investigated using diisopropylcarbene (46), cyclopropyl-isopropylcarbene (47), and dicyclopropylcarbene (48). Each of these three carbenes was generated by the thermolysis of the parent benzenesulfonylhydrazone potassium salts using DMSO...
Resource Type:: Masters Thesis
Full Text:: . Peter K. Freeman The effect of the conjugation with cyclopropyl rings on the activation parameters for

The photochemical transformation of oxime carbamates

Creator:: Ndip, Edmund Moses Nso
Resource Type:: Masters Thesis
Full Text:: approved: Redacted for privacy Dr. Peter K. Freeman The photolysis of aldicarb (Z) (CH3CN, 254 nm) yields

Carbene chemistry : I. Stereochemical integrity at Cα in ketone tosylhydrazones : II. Hydrogen migration in 2-carbena-6, 6-dimethylnorbornane

Creator:: Balyeat, John Robert
Abstract:: The tosylhydrazones of exo-3-deuteriocamphor and 2- deuterio-2,4-dimethy1-3-pentanone were treated with Nbromosuccinimide (NBS) and pyruvic acid to regenerate the parent ketones. The ketones from the pyruvic acid cleavage show a significant loss of deuterium. The ketones from the NBS cleavage show no loss of deuterium, indicating that stereochemical integrity at. C[subscript...
Resource Type:: Masters Thesis
Full Text:: -DIMETHYLNORBORNANE Redacted for Privacy Abstract approved: Dr. Peter K. Freeman The tosylhydrazones of exo-3

The photochemistry of some O-(methylcarbamoyl) oximes

Creator:: McCarthy, Kermit D.
Abstract:: The photochemistry of aldicarb and two related compounds, 0-(methylcarbamoyl) isobutyraldehyde oxime and 0-(methylcarbamoyl) trimethylacetaldehyde oxime was explored under laboratory conditions. Upon irradiation aldicarb decomposed rapidly to methylamine, dimethylamine, tetramethylsuccinonitrile, and 1-methylthio-2, 3-dicyano-2, 3-dimethylbutane. The other two compounds decomposed only after a long period of irradiation. The difference in reactivity was...
Resource Type:: Masters Thesis
Full Text:: approved: Redacted for Privacy Dr. Peter K. Freeman The photochemistry of aldicarb and two related

ScholarsArchive@OSU

Progress Towards the Total Synthesis of Bazzanin K

The use of the Diels-Alder reaction in asymmetric synthesis

Development of stable x-ray fluorescent tracers for use in small water systems

Strontium substitutions into the high-temperature Tl/Ba/Ca/Cu/O 2223 superconductor

Preparation and properties of polyglycyl insulin

Bioprospecting the Chemical Diversity of Plant-associated Fungi

A study of the chemistry of diisopropyl-, cyclopropylisopropyl-, and dicyclopropylcarbene

The photochemical transformation of oxime carbamates

Carbene chemistry : I. Stereochemical integrity at Cα in ketone tosylhydrazones : II. Hydrogen migration in 2-carbena-6, 6-dimethylnorbornane

The photochemistry of some O-(methylcarbamoyl) oximes

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