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Full-Text Articles in Physical Sciences and Mathematics
Investigations Into The Diazoketone Synthesis Of 3-Methyl-2-Cyclopentenone, Robert Alan English
Investigations Into The Diazoketone Synthesis Of 3-Methyl-2-Cyclopentenone, Robert Alan English
Honors Theses
This research was carried out in order to determine the effects of both the etherate and anhydrous forms of RF3 catalyst upon l-diazo-4-methyl-4-penten-2-one (I). It was hoped that cyclization could be induced to occur due to the presence of the neighboring olefinic bond. 3-Methyl-2-cyclopentenone, itself had been synthesized by a much more direct method than proposed here. (1)
The Preparation Of 1, 1'Tetramethylene Ferrocene, Arthur F. Grand
The Preparation Of 1, 1'Tetramethylene Ferrocene, Arthur F. Grand
Honors Theses
The discovery of ferrocene, bis-cyclopentadienyl iron, in 1951 stimulated further research into a relatively new field of Organic Chemistry, organometallies. Ferrocene is the first of a series of transition metal-organic ring compounds in which the metallic atom is bound covalently to two cyclopentadiene rings (Fig III). The rings are superimposed over one another with the single atom inbetween; thus, they are often referred to as “sandwich compounds.” The following procedure is that which Rinehart (11) used to prepare the acid derivative β-ferrocenoylpropionic acid (VII). The preparation consists of adding 7.4 g. of ferrocene and 2.0 g. of succinic anhydride in …
Addition Reactions Of Quinones, Herman Helber
Addition Reactions Of Quinones, Herman Helber
Honors Theses
The general purpose of this project has been to obtain a knowledge about the reaction of para-benzoquinone when irradiated with ultraviolet light in water or ethanol. The 1, 4, benzoquinone, often called simply quinone, is a yellow crystalline solid melting at 116°C and having a sharp penetrating odor. Quinone shows a marked increase in reactivity when it is irradiated with U.V. A possible explanation for this could be that the electrons in central carbon atoms of the quinone absorb quanta of energy. The resulting excited state could then leas to a free radical formation. This could account for the increased …
Polarographic Studies Of The Dicyanoaurate And Tetracyanoaurate Complexes, Peter Neddermeyer
Polarographic Studies Of The Dicyanoaurate And Tetracyanoaurate Complexes, Peter Neddermeyer
Honors Theses
A polarographic study of the dicyanoaurate and the tetracyanoaurate complexes has been made. Distinct current-voltage curves were obtained for both complexes with and without supporting electrolyte.Polarography has been shown to be a good quantitative method of analysis for the two gold-cyanide complexes.
The Effects Of Ph And Salts On The Viscosity Of Protein Solutions, John H. Smith
The Effects Of Ph And Salts On The Viscosity Of Protein Solutions, John H. Smith
Honors Theses
The purpose of this work was to determine, as a function of pH, the viscosity of gelatin solutions containing various monovalent anions. The sequence of these anions in their ability to depress viscosity, that is, the Hofmeister or Lyotropic series of anions, will be validated for the following salts: Sodium bromide, sodium iodate, sodium formate, sodium chloride and sodium nitrate.
A Preliminary Investigation Of The Photo-Induced Rearrangement Of Phenylnitromethane And Problems In Its Synthesis, Peter Barry Fleming
A Preliminary Investigation Of The Photo-Induced Rearrangement Of Phenylnitromethane And Problems In Its Synthesis, Peter Barry Fleming
Honors Theses
As originally envisioned, this project was to involve the synthesis of phenylnitromethane and the subsequent photolysis of that compound. It was hoped that identification and separation of the photochemical products would lead to some basic conclusions regarding inter- and intra- molecular photo-induced rearrangements. Some light might also be thrown on energy transfer in a system of non-conjugated double bonds. Comparison of the products obtained from phenylnitromethane and higher homologs of the series, where n = 2,3,4 with the known reaction nitrobenzene could lead to conclusion on structure versus products and structure versus efficiency of energy transfer along an alkyl chain. …
Investigation Into The Reactions Of Aliphatic Methoxydiazo-Ketones Upon Treatment With Boron Trifluoride Etherate, Donald Paul Hoster
Investigation Into The Reactions Of Aliphatic Methoxydiazo-Ketones Upon Treatment With Boron Trifluoride Etherate, Donald Paul Hoster
Honors Theses
This research was a study of the possible cyclization reactions of the aliphatic methoxydiazoketones (I) and (II) upon treatment with BF3 etherate. Previous work in this area had dealt with aromatic systems. J. Moore and H. Shaffer (10) showed that 1-diazo-3-(o-anisyl)-2-propanone (III) is converted in about 35% yield to chromanone (IV) upon treatment with BF3. They obtained lesser amounts of chromanone and larger amounts of open chain products when mineral acids were employed. Diazoketones such as (V) and (VI) have shown a pronounced tendency to form four-membered rings upon treatment with mineral acids. (8) No open chain products were isolated …
The Thermal, Catalytic Decomposition Of Sugar, Herman Carl Kluge
The Thermal, Catalytic Decomposition Of Sugar, Herman Carl Kluge
Honors Theses
During the past year, an attempt was made to determine the products of a thermal decomposition of both glucose and fructose and also, the effects of certain catalysts upon this decomposition. From these data, an attempt was also made to devise a mechanism for this decomposition.
Synthesis And Reactions Of Diazoketones, William H. Thielking
Synthesis And Reactions Of Diazoketones, William H. Thielking
Honors Theses
The object of the present research, to extend the previous work to an aliphatic system by replacing the aromatic ring by one or more alkyl groups. Specifically, it is the object of this work to effect the closure of the ring compound from its respective diazoketone.
Inter- And Intra-Molecular Alkylbenzene Rearrangements With Aluminum Chloride Catalyst Using C14 Proportional Counting Of Vapor Phase Chromatographic Effluents, Robert Donald Farina
Inter- And Intra-Molecular Alkylbenzene Rearrangements With Aluminum Chloride Catalyst Using C14 Proportional Counting Of Vapor Phase Chromatographic Effluents, Robert Donald Farina
Honors Theses
End products were examined from six reactions between o-xylene and carbon-14 ring labeled toluene using an excess of aluminum chloride catalyst. The reactions were carried out at different temperatures and for periods of varying duration in order to observe the effects of temperature and heating time on the product mixtures.