Index Catalog // ScholarsArchive@OSU

Electric moment studies of a series of related hydrazine derivates

Creator:: Frey, Paul Reheard
Resource Type:: Dissertation
Full Text:: STUDIES OF A SERIES OF RELATED HDRAZINE DERIVATIVES by PAUL REdEARD FREY A ÍEiESIS submitted

Atropisomeric 8,8'-biquinolyl derivatives : synthesis, properties and applications

Creator:: Milicevic, Selena D.
Abstract:: 7,7'-Dihydroxy-8,8'-biquinolyl (azaBINOL) was prepared from 7-hydroxyquinoline via N,N-dimethyl O-quinol-7-yl carbamate by directed ortho-metallation followed by FeCl₃-mediated oxidative coupling of the 8-lithioquinoline intermediate. Saponification of the resulting dicarbamate provided crystalline (±)-azaBINOL in 56% overall yield. 6,6'-Bis(dimethylaminocarbonyl)-7,7'-dihydroxy-8,8´-biquinolyl was prepared from the same dicarbamate by a double anionic-Fries rearrangement in 43% yield. 7,7'-Bis(diethylamino-carbonyloxy)-6,6'-diiodo-8,8´-biquinolyl...
Resource Type:: Dissertation
Full Text:: Paul R. Blakemore 7,7´-Dihydroxy-8,8´-biquinolyl (azaBINOL) was prepared from 7-hydroxyquinoline

The effects of tandem and noncontiguous duplications on fertility, viability and crossing over in Drosophila melanogaster

Creator:: Broderick, David Joseph
Resource Type:: Dissertation
Full Text:: and advice of Dr. Paul Roberts under whose direction this study was made. I wish also to thank Dr. A

Stereoselective synthesis & application of enantioenriched main group α-haloalkyl organometal reagents

Creator:: Emerson, Christopher R.
Abstract:: Sulfoxide-ligand exchange (SLE) and asymmetric halogen-metal exchange (AHME) processes were separately examined for the enantioselective synthesis of functionalized alpha-haloalkylmetal (carbenoid) reagents. Carbenoids derived from SLE were used to effect stereospecific reagent-controlled homologation (StReCH) of boronic esters and those generated via AHME were engaged in Darzens-type chemistry with aldehydes. Abstract for...
Resource Type:: Dissertation

Biological and morphological studies of the Scaphytopius acutus complex (Homoptera:Cicadellidae)

Creator:: Musgrave, Carol A.
Abstract:: Reinterpretation of the leafhopper tribe Scaphytopiini reveals it to be primarily a New World taxon with only limited representation in the Palearctic, Oriental and possibly Ethiopian regions. Approximately 75 species assigned to three genera are known from the United States and Canada with at least another 75 species representing an...
Resource Type:: Dissertation
Full Text:: approved: Redacted for Privacy Dr. Paul Oman Reinterpretation of the leafhopper tribe Scaphytopiini

Development of Methods for Stereoselective Carbon-Carbon Bond Formation

Creator:: Wu, Zhenhua
Abstract:: Three distinct methods to achieve the stereoselective synthesis of carbon-carbon bonds were investigated, encompassing: (i) the formation of axially chiral biaryl molecules by enantioselective Suzuki cross-coupling, (ii) the synthesis of α-phenylalkylboronic esters by enantioselective chain extension, and (iii) the stereospecific synthesis of alkenes by eliminative cross-coupling of enantioenriched sp³-hybridized carbenoids....
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Paul R. Blakemore Three distinct methods to achieve the stereoselective synthesis of

Stereocontrolled Synthesis of Allenes by Eliminative Cross-Coupling of Carbenoids

Creator:: Cao, Yang
Abstract:: The bimolecular reaction of two carbenoid species resulting in the formation of a carbon-carbon double bond (pi-system), referred to herein as carbenoid eliminative cross-coupling (CEXC), involves a series of three fundamental steps: (i) ate-complex formation (transmetalation), (ii) 1,2-metalate rearrangement, and (iii) beta-elimination. All three steps are stereospecific and so the...
Resource Type:: Dissertation
Full Text:: Paul R. Blakemore The bimolecular reaction of two carbenoid species resulting in the formation

Development of Carbenoid Eliminative Cross-coupling for the Stereocontrolled Synthesis of Trisubstituted Alkenyl Moieties Within Styrenes and 1,3-Dienes

Creator:: Tanpure, Subhash D.
Abstract:: Traditional approaches for the direct preparation of alkenes are unable to fully control either the stereochemical configuration of the carbon-carbon double bond or else the regiochemistry of the substituents surrounding it. The recently introduced concept of carbenoid eliminative cross-coupling (CEXC) offers a remedy to these deficiencies by providing for a...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Paul R. Blakemore Traditional approaches for the direct preparation of alkenes are

Synthesis of novel ambifunctional atropisomeric 2,2',6,6'-tetrasubstituted biphenyls and investigation of their properties and organocatalytic activity

Creator:: Sephton, Mark Alan
Abstract:: Ambifunctional axially chiral 2,2',6,6'-tetrasubstituted biphenyls containing nucleophilic (or basic) functional groups juxtaposed with hydrogen-bond donors were synthesized and their properties studied. Applications for the prepared biaryls as potential organocatalysts for enantioselective carbon-carbon bond forming reactions were examined. Processes investigated included: aldol, Michael, nitroaldol (Henry), and Baylis-Hillman reactions. The novel amidoamine...
Resource Type:: Dissertation
Full Text:: Activity. Abstract approved: Paul R. Blakemore Ambifunctional axially chiral 2,2

Investigation of Chain Extension Approaches for the Stereoselective Reagent-Controlled Synthesis of alpha-Heteroatom Substituted Alkyl Boronic Esters

Creator:: Barsamian, Adam L.
Abstract:: Two distinct strategies were explored for the enantioselective synthesis of α-heteroatom substituted alkyl boronic esters by stereoselective reagent-controlled homologation using transient chiral carbenoid reagents CHYMX (Y = heteroatom, X = nucleofuge, M = electrofuge). In the first case, a stereospecific reagent-controlled homologation (sStReCH) approach to α-alkoxyalkylboronates using α-metalated S,O- and...
Resource Type:: Dissertation
Full Text:: . Paul R. Blakemore Two distinct strategies were explored for the enantioselective synthesis of α

ScholarsArchive@OSU

Electric moment studies of a series of related hydrazine derivates

Atropisomeric 8,8'-biquinolyl derivatives : synthesis, properties and applications

The effects of tandem and noncontiguous duplications on fertility, viability and crossing over in Drosophila melanogaster

Stereoselective synthesis & application of enantioenriched main group α-haloalkyl organometal reagents

Biological and morphological studies of the Scaphytopius acutus complex (Homoptera:Cicadellidae)

Development of Methods for Stereoselective Carbon-Carbon Bond Formation

Stereocontrolled Synthesis of Allenes by Eliminative Cross-Coupling of Carbenoids

Development of Carbenoid Eliminative Cross-coupling for the Stereocontrolled Synthesis of Trisubstituted Alkenyl Moieties Within Styrenes and 1,3-Dienes

Synthesis of novel ambifunctional atropisomeric 2,2',6,6'-tetrasubstituted biphenyls and investigation of their properties and organocatalytic activity

Investigation of Chain Extension Approaches for the Stereoselective Reagent-Controlled Synthesis of alpha-Heteroatom Substituted Alkyl Boronic Esters

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