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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:: Investigation of Chain Extension Approaches for the

Water and methanol adsorption on a series of organic complexes of montmorillonite

Creator:: Carter, Loren Sheldon
Abstract:: Water and methanol adsorption isotherms at 25° and 37° C. were determined on a series of organo-bentonite clays. The clays differed in the length of the carbon chain attached to the amine adsorbed in the cation exchange position. The amines used had carbon chains of 4, 6, 8, 10, 12,...
Resource Type:: Masters Thesis
Full Text:: about one millimeter extension per milligram of load. The isotherms were typical type II isotherms and

The normal vibrational analysis of polyacetaldehyde

Creator:: Lee, Dorothy
Abstract:: A method of calculating the normal vibrations of polymer molecules is presented in detail. The method is based on that used by Schachtschneider and Snyder in their analysis of polypropylene but has not heretofore been published. The factoring of the infinite matrix and reduction to the coordinates of the unit...
Resource Type:: Dissertation
Full Text:: rnolecules to rnake the extension to polyrner rnolecules by this rnethod. The geometry of polyrner chains

Trace element abundances in automobile exhaust particulate

Creator:: Jones, Roger A.
Resource Type:: Masters Thesis
Full Text:: Exhaust Sampling System 13 3. Schematic Drawing of Exhaust Pipe Extension Showing Positions of Sampling

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:: enantiomeric excess. Extension of this reaction to vinylic halides using the same catalyst is probed but

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:: -glycoprotein inhibitor) is described alongside a novel extension of the methodology to access

Studies on the mechanism of formation of n-phenylpyridinium salts from 1,7-diaza-1,3,5-heptatrienes

Creator:: Shahidi, Iraj Khatib
Resource Type:: Dissertation
Full Text:: : I H ll'hPh Mechanism A is an extension of the abnormal o-alkylation type aldol addition of

Reduction of zirconium(IV) at a Pt microelectrode in fused equimolar sodium chloride-potassium chloride

Creator:: McGlothlan, J. Kirk
Resource Type:: Masters Thesis
Full Text:: the extension of a quartz spring incorporated into the cell. Some weight loss of the rod was seen

A spectrophotometric study of arsenoazo and its calcium complex

Creator:: Kirshen, Norman Alan
Resource Type:: Masters Thesis
Full Text:: . Radiation sources: Tungsten lamp (330 to 700 mu) Iydrogen lamp (200 to 330 mu) Photomultiplier: IX

Chemical composition studies of Oregon and Washington coastal basalts

Creator:: Hill, Dale Wayne
Abstract:: Basalts of both Eocene and Miocene age from several groups along the Oregon and Washington coasts have been analyzed for some major, minor, and trace elements using instrumental neutron activation analysis (INAA). The rare earth element (REE) patterns observed in these samples are used for comparisons within the groups studied...
Resource Type:: Masters Thesis
Full Text:: Figure 3. 730 630 530 Ba (ppm) 430 330 230 2 I 0 170 Zr (ppm) I30 90 35 0 0 0 0 o o 0 -9

ScholarsArchive@OSU

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

Water and methanol adsorption on a series of organic complexes of montmorillonite

The normal vibrational analysis of polyacetaldehyde

Trace element abundances in automobile exhaust particulate

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

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

Studies on the mechanism of formation of n-phenylpyridinium salts from 1,7-diaza-1,3,5-heptatrienes

Reduction of zirconium(IV) at a Pt microelectrode in fused equimolar sodium chloride-potassium chloride

A spectrophotometric study of arsenoazo and its calcium complex

Chemical composition studies of Oregon and Washington coastal basalts

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