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Divalent carbon intermediates in some bridged polycyclic compounds

Creator:: Hardy, Thomas A.
Resource Type:: Dissertation
Full Text:: of a carbene is seen in the work of Freeman and Kuper (17). Generation of 3-carbenabicyclo[3.1.0

Photodechlorination of pentachlorobenzene in organo-clay

Creator:: Yoo, Hye-Dong
Resource Type:: Masters Thesis
Full Text:: triplet state, Freeman et al.18 used butyrophenone as a triplet sensitizer. The irradiation of

Carbene rearrangements : intramolecular interaction of a triple bond with a carbene center

Creator:: Dan̄ino, José C.
Abstract:: The tosylhydrazones of 2-heptanone, 4,4-dimethy1-2- heptanone, 6-heptyn-2-one and 4,4-dimethy1-6-heptyn-2- one were synthesized and decomposed under a variety of reaction conditions: dry lithium and sodium salt pyrolyses, sodium methoxide thermolyses in diglyme and photolyses of the lithium salt in tetrahydrofuran. The saturated analogues 2-heptanone tosylhydrazone and its 4,4-dimethyl isomer afforded the...
Resource Type:: Dissertation
Full Text:: Carbene rearrangements : intramolecular interaction of a

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:: A study of the chemistry of diisopropyl

Mechanistic study of some internal substitution reactions and a substitution at sulfenyl sulfur

Creator:: Hanson, Gary Craig
Resource Type:: Dissertation
Full Text:: reactions and a substitution at sulfenyl sulfur AN ABSTRACT OF THE THESIS OF Gary Craig Hanson for the

The photochemistry of polychlorobenzenes in micellar media

Creator:: Lee, Youn-Sik
Abstract:: Photolysis of pentachlorobenzene was carried out in the absence of an electron donor species at 254 nm in cetyltrimethylammonium bromide surfactant solution. The results are consistent with the excited triplet undergoing homolytic cleavage of a C-Cl bond in competition with formation of the excimer, in which the radical anion undergoes...
Resource Type:: Masters Thesis
Full Text:: (A) Alternatively, Freeman et al. calculated the relative rates for dechlorination of

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

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

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:: intermediacy of a radical. Deuterium studies carried out by Freeman and Ramnath83 on pentachlorobenzene

The photochemistry of some insect juvenile hormone analogs

Creator:: Siggel, Lorenz
Abstract:: The photochemistry of some analogs of insect growth regulators (IGR's) was studied. Methyl geranate, TY, was synthesized and the mechanisms of its photochemical reaction pathways were studied by a variety of techniques. Direct irradiation of 71 in ether leads to the formation of five new products: 98, the product of...
Resource Type:: Dissertation
Full Text:: is a short list of some of the people who have made this thesis possible. Dr. Peter K. Freeman: my

ScholarsArchive@OSU

Divalent carbon intermediates in some bridged polycyclic compounds

Photodechlorination of pentachlorobenzene in organo-clay

Carbene rearrangements : intramolecular interaction of a triple bond with a carbene center

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

Mechanistic study of some internal substitution reactions and a substitution at sulfenyl sulfur

The photochemistry of polychlorobenzenes in micellar media

The photochemistry of some O-(methylcarbamoyl) oximes

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

Photochemistry of some bromoarenes

The photochemistry of some insect juvenile hormone analogs

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