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Approaches to the synthesis of trichothecenes

Creator:: Kim, No-soo
Resource Type:: Dissertation
Full Text:: : Disconnection 2 Fujimoto and Tatsuno17 were the first to examine the aldol approach symbolized in

Synthetic studies on indolic enamide natural products: 1. Total syntheses of coscinamide A, concinamide B and igzamide: 2. Synthetic studies towards the synthesis of halocyamine B

Creator:: Ma, Yuelong
Abstract:: The 3-substituded indolic enamide moiety has been found in many marine compounds over the past 20 years. These indolic enamides exhibit various biological properties such as cytotoxic, anthelmintic, antimicrobial and HW-inhibitory activities. Among these indolic enamides, some are (E)-enamides, like coscinamide A and coscinamide B, others are (Z)-configuration in their...
Resource Type:: Masters Thesis
Full Text:: Natural Products: 1. Total Syntheses of Coscinamide A, Concinamide B and Igzamide. 2. Synthetic Studies

Photochemistry of 6-alkenyl-2-cyclohexenones : synthetic studies towards precursors of ryanodol

Creator:: Wang, Bingbing
Abstract:: Regiochemistry of intramolecular [2+2] photocycloadditions of oxygenated 6-alkenyl-3-alkoxy-2-cyclohexenones is studied. Application of this methodology to construct a key intermediate [3.3.2] bicyclic skeleton of ryanodol is described as well. Irradiation of (3-butenyl)compounds 3, 11, 14 and of (4-pentenyl)compound 6 afforded exclusively the linear photoadducts 4, 12, 15 and 7 respectively. Irradiation...
Resource Type:: Masters Thesis
Full Text:: the guidance, support, encouragement, and for her time and work in revising this thesis. To the

Attempts to prepare cis-a, 2-dicyclohexenylethylene

Creator:: Kaesornsomboon, Somkid
Resource Type:: Masters Thesis
Full Text:: present between the t -butyl groups in 2, 3-di-t-butylbutadiene (IVc). This molecule shows no `max in the

The synthesis of 2-C¹⁴ labeled DDT

Creator:: Buhler, Donald Raymond
Resource Type:: Masters Thesis
Full Text:: ., et al. Use of radioactive tracers in studies of penetration and metabolism of L'L)T in houseflies

Copper homogeneity studies in meteorites

Creator:: Wong, Dennis Tung
Abstract:: The abundance of copper was determined in four to six one-gram specimens separated by a distance of several inches from each of 23 large chondritic fragments (greater than 1 kg) via instrumental neutron activation analysis and counting of the annihilation N-rays of ⁶⁴Cu. It is believed that an accuracy of...
Resource Type:: Masters Thesis
Full Text:: the abundance and homogeneity of Cu in olivine bronzite finds, no distinct subgrouping was found

Studies on dielectric polarization : (1). The amino benzoic acids : (2). carbon disulfide - chloroform mixtures : (3). para dichlorobenzene and para toluidine

Creator:: Van Blaricom, Lloyd Eugene
Resource Type:: Masters Thesis
Full Text:: Der Waal's forces, 5t can be detected by dielectric polarization studIes. In sorne cases (8, 2, 7

Exploratory Studies Within the Exotic Lyonsite Structure

Creator:: Tang, Joseph N.
Abstract:: Structure-property relationships have always underpinned the field of solid state chemistry; dependable structural descriptions are integral to understanding and controlling the physical properties of inorganic compounds old and new. While a handful of crystal structures are celebrated for their versatility, flexibility, and functionality, the existence of more exotic structures is...
Resource Type:: Dissertation
Full Text:: levels of chemistry, and inspiring me to continually make effective science education a priority in my

The preparation of 2-methoxy-4,5-dimethylstilbene and its photochemistry

Creator:: Tong, Homer Hin-Chau
Abstract:: During a study of the abnormal dienone-phenol rearrangement discovered by Marvell and Geiszler, Imel (1960) found that 4-oxo-3,3-dimethyl-3,4-dihydrophenanthrene rearranged slowly to a phenol which was tentatively identified as 3,4-dimethyl-l-phenanthrol; further evidence to support this assignment was deemed essential. The recent work by Mallory on the photochemical conversion of stilbenes to...
Resource Type:: Masters Thesis
Full Text:: The Preparation of 2-Methoxy-4,5-Dimethylstilbene and Its

Synthesis and study of transparent p- and n-type semiconductors and luminescent materials

Creator:: Park, Cheol-Hee
Abstract:: New transparent p- and n-type semiconductors and luminescent materials have been prepared and characterized. Synthesis, structures, optical and electrical properties of new chalcogenide fluoride p-type transparent semiconductors MCuQF (M=Ba, Sr; Q=S, Se, Te) are described. Band-gap tuning and improvement in conductivity through p-type doping are demonstrated in the family. The...
Resource Type:: Dissertation
Full Text:: degree of Doctor of Philosophy in Chemistry presented on January 21, 2005. Title: Synthesis and Study

ScholarsArchive@OSU

Approaches to the synthesis of trichothecenes

Synthetic studies on indolic enamide natural products: 1. Total syntheses of coscinamide A, concinamide B and igzamide: 2. Synthetic studies towards the synthesis of halocyamine B

Photochemistry of 6-alkenyl-2-cyclohexenones : synthetic studies towards precursors of ryanodol

Attempts to prepare cis-a, 2-dicyclohexenylethylene

The synthesis of 2-C¹⁴ labeled DDT

Copper homogeneity studies in meteorites

Studies on dielectric polarization : (1). The amino benzoic acids : (2). carbon disulfide - chloroform mixtures : (3). para dichlorobenzene and para toluidine

Exploratory Studies Within the Exotic Lyonsite Structure

The preparation of 2-methoxy-4,5-dimethylstilbene and its photochemistry

Synthesis and study of transparent p- and n-type semiconductors and luminescent materials

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