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Investigations into the mechanism of the photodechlorination of pentachlorobenzene

Creator:: Schmidt, Robert Dean
Abstract:: Several experiments were undertaken to investigate the mechanism of photodechlorination of pentachlorobenzene. The thermal methoxydechlorination reaction of pentachlorobenzene was studied. In DMSO at 50 °C sodium methoxide reacts smoothly with pentachlorobenzene to give three tetrachloroanisole isomers. A second-order kinetic plot for this reaction is linear to high precision, indicating that...
Resource Type:: Masters Thesis
Full Text:: photodechlorination of pentachlorobenzene AN ABSTRACT OF THE THESIS OF Robert Dean Schmidt for the degree of Master

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:: AN ABSTRACT OF THE THESIS OF JOHN ROBERT BALYEAT for

Atmospheric transport of anthropogenic semi-volatile organic compounds to the Olympic Peninsula of Washington State

Creator:: Killin, Robert K.
Abstract:: Ambient high-volume (hi-vol) air samples were collected between March 15th and May 30th 2002, at Cheeka Peak Observatory (CPO), located on the tip of the Olympic Peninsula, Washington State. This sampling campaign was in conjunction with the 2002 Inter-Continental Transport and Chemical Transformation (ITCT 2K2) Campaign and the Photochemical Ozone...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Robert K. Kuhn for the degree of

Studies of the functional tyrosyl residues of insulin

Creator:: Papaioannou, Stamatios Evangelos
Abstract:: Acetylimidazole was used to acetylate the tyrosyl residues of insulin. The kinetics of acetylation were studied by termination of the reaction at several time intervals, isolation of acetylated insulin and determination of 0-acetyltyrosyl groups by deacetylation with hydroxylamine. The deacetylation was also studied kinetically by means of the absorbancy change...
Resource Type:: Dissertation
Full Text:: hormone molecule. Early studies (Du Vigneaud et al, , 1931; Stern and White, 1937) showed that the

Flame ionization detection of hydrocyanic acid ; Analysis of trace aqueous solutions

Creator:: Claeys, Robert Raymond
Abstract:: A gas chromatographic procedure was developed for the determination of nanogram quantities of hydrocyanic acid using a flame ionization detector. Excellent chromatograms were obtained on a porous polyaromatic polymer column (Porapak Q) at 60°C. The procedure was employed for the analysis of HCN in aqueous cyanide solutions. Solutions as low...
Resource Type:: Dissertation
Full Text:: of trace aqueous solutions AN ABSTRACT OF THE THESIS OF ROBERT RAYMOND CLAEYS for the Ph. D

A study of the photolysis of the aqueous thymine system at 214 nm, 229 nm and 254 nm

Creator:: Satcher, Robert Lee
Abstract:: The photolysis of the aqueous thymine system has been investigated at 214 nm, 229 nm and 254 nm at room temperature. Products of photolysis have been identified as hydrogen peroxide, 6-hydroxy-5- hydroperoxy thymine and tentatively 5-hydroxy-6-hydroperoxy thymine. These together with thymine loss, were determined quantitatively under a variety of conditions....
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Robert Lee Satcher for the

The use of surface active agents in the bleaching of sulfite wood pulps

Creator:: Osborn, Robert Otto
Resource Type:: Dissertation
Full Text:: sulfite wood pulp A1 ABSTRACT OP TI[ TEESIS OP Robert Otto Osborri for the PH.D. in Chernistzy (NneJ

Sulfhydryl and disulfide changes in young wheat seedlings during vernalization

Creator:: Ellis, Robert William
Abstract:: A study of the SH and SS content levels during vernalization of wheat was made. In order to carry out the study, a rapid analytical technique was worked out which allowed fast sequential analyses of the samples of wheat tissue. Two techniques were used: a) an amperometric titration method and...
Resource Type:: Masters Thesis
Full Text:: During Vernalization AN ABSTRACT OF THE THESIS OF ROBERT WILLIAM ELLIS for the M.S. in BIOCHEMISTRY

Reactive intermediates : I. The mechanisms of photodehalogenation of three tetrachloronaphthalenes : II. Structure and electronic effects in some selected carbenes

Creator:: Clapp, Gary E.
Resource Type:: Dissertation
Full Text:: approved: Redacted for Privacy Dr. Peter K. Freeman The photodechlorination of three

Photochemistry of some bromoarenes

Creator:: Jang, Jung-suk
Abstract:: The photodebromination of selected bromoarenes has been studied at 300 nm to determine the the possible mechanistic pathways leading to product. Irradiation of 4-bromobiphenyl (BpBr) at this wavelength leads to the product biphenyl. The quantum yield of intersystem crossing (0.98) and quenching studies with cis-1 ,3-pentadiene suggest that the reaction...
Resource Type:: Dissertation
Full Text:: : Photochemistry of Some Bromoarenes Abstract approved: Redacted for Privacy Peter K. Freeman The

ScholarsArchive@OSU

Investigations into the mechanism of the photodechlorination of pentachlorobenzene

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

Atmospheric transport of anthropogenic semi-volatile organic compounds to the Olympic Peninsula of Washington State

Studies of the functional tyrosyl residues of insulin

Flame ionization detection of hydrocyanic acid ; Analysis of trace aqueous solutions

A study of the photolysis of the aqueous thymine system at 214 nm, 229 nm and 254 nm

The use of surface active agents in the bleaching of sulfite wood pulps

Sulfhydryl and disulfide changes in young wheat seedlings during vernalization

Reactive intermediates : I. The mechanisms of photodehalogenation of three tetrachloronaphthalenes : II. Structure and electronic effects in some selected carbenes

Photochemistry of some bromoarenes

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