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Enantioselective Total Syntheses of Quinolizidine Lycopodium Alkaloid Cermizine D and Cytotoxic Marine Macrolide Mandelalide A

Creator:: Veerasamy, Nagarathanam
Abstract:: The enantioselective total synthesis of quinolizidine-containing natural product cermizine D and formal syntheses of senepodine G and cermizine C has been achieved. These natural products are members of the lycopodium alkaloids, which have attracted significant attention due to their exciting biological activities and the diverse structural scaffolds. Key steps in...
Resource Type:: Dissertation
Full Text:: Lycopodium Alkaloid Cermizine D and Cytotoxic Marine Macrolide Mandelalide A. Abstract approved

Design, characterization, and application of spectrometers for determination of low-level dissolved oxygen with small-volume sampling methodology

Creator:: Cakin, Defne
Abstract:: New analytical methods and instrumentation were developed for the determination of dissolved oxygen (DO) at low concentrations in water. The methods were based on monitoring the absorbance increase due to the oxidation of reduced indigo carmine (IC) by oxygen in the sample in different types of spectrometer cells. Spectrophotometer cells...
Resource Type:: Dissertation
Full Text:: : ___________________________________________ James D. Ingle, Jr. New analytical methods and instrumentation were developed for the

The Role of Materials Chemistry in Designing Advanced Color Inorganic Pigments

Creator:: Medina, Elena A.
Abstract:: The results of the research presented in this work are related to synthesis and investigations of novel color inorganic pigments having various structures and shades. Inorganic pigments play a major role in contemporary life. They are used in paints, rubber, plastic, cosmetics etc. Searching for new, stable, environmentally benign and...
Resource Type:: Dissertation
Full Text:: a combination of d-d interatomic transitions of Mn5+/Cr5+ cations and transition metal–O2- charge

Fundamental Studies of the Structure-Property Correlations of Na-ion and K-ion Storage in Non-Graphitic Carbon

Creator:: Li, Zhifei
Abstract:: Grid-scale energy storage systems are urgently needed to increase the flexibility and rigidity of the grid for modern society and take full advantage of the renewable green energy resources such as solar energy and wind energy. Na-ion batteries (NIBs) and K-ion batteries (KIBs) have been emerged as one of the...
Resource Type:: Dissertation
Full Text:: , which increases its reversible capacity from 283 to 359 mAh/g. We observe the interlayer d-spacing of

A unified approach for the total synthesis of C₁₀-functionalyzed Lycopodium alkaloids

Creator:: Saha, Mrinmoy
Abstract:: Lycopodium alkaloids have shown widespread and noteworthy biological activity, consisting of over 250 known natural products. Moreover, their structural complexity and diversity have attracted considerable attention from numerous laboratories including our own. Recently, we have developed a unified approach that would provides access to numerous, previously unprepared C₁₀-functionalized lycopodium alkaloids....
Resource Type:: Dissertation
Full Text:: organocatalyzed intramolecular Michael reaction, formation of tricyclic skeleton using a conformationally

Excited state molecular structural evolution and chemical reactivity studied by femtosecond stimulated Raman spectroscopy

Creator:: Han, Fangyuan
Abstract:: In this dissertation, my research work on excited state dynamics of small organic molecules in solutions is presented. Using femtosecond stimulated Raman spectroscopy (FSRS) as the main experimental tool, the excited state hydrogen-bonding dynamics (ESHBD) of Coumarin 102, a common laser dye molecule, in ethanol solution is examined with <150...
Resource Type:: Dissertation
Full Text:: (b); deuterated chloroform CDCl3 (c); chloroform CHCl3 (d); and ethanol (e) .......... 74 Figure

Copper and iron chalcogenides for efficient solar absorption

Creator:: Platt, Heather A. S.
Abstract:: This dissertation outlines two approaches for improving the efficiency and reducing the cost of photovoltaic energy generation. First, the structures of known binary copper and iron compounds are used to choose the promising compositions Fe₂XS₄ (X = Si, Ge), Cu₃TaQ₄ (Q = Se, Te), and BaCuQ'F (Q' = S, Se,...
Resource Type:: Dissertation
Full Text:: including Cheol-Hee Park, Michael Hrushka, Joa-Young Jeong, Paul Newhouse, Kai Jiang, Bahar Ozmen, Chris

New chemistry for electrochemical energy storage applications

Creator:: Wang, Xingfeng
Abstract:: Electrochemical capacitors and batteries are two major electrochemical energy storage technologies, which have been investigated extensively to meet the rapidly-growing demand for higher energy, higher power, lower cost and enhanced safety in the past few decades. With the charge storage mechanism of electrostatic charge adsorption desorption via electrical double layers,...
Resource Type:: Dissertation
Full Text:: , Professor Michael Lerner, who attended my group meetings and gave insightful and critical suggestions. I

Phosphor development : synthesis, characterization, and chromatic control

Creator:: Li, Dong
Resource Type:: Dissertation
Full Text:: , Prof. Arthur Sleight, Prof. John Loeser, Prof. Michael Lerner, and Prof. Joe Karchesy for their

Transition Metal Oxides for Aqueous Electrochemical Energy Storage

Creator:: Jiang, Heng
Abstract:: In the 21st century, environmental deterioration is now an indisputable fact. Reliable and economically viable electricity systems based on renewable sources are urgently needed to replace the environmentally detrimental fossil fuels. The feasibility of incorporating renewable-but-intermittent solar and wind energy heavily depends on the development of cost-effective and safe technologies,...
Resource Type:: Dissertation
Full Text:: potentials of active materials, (d) Comparison of parameters influencing the metal cation structural and

ScholarsArchive@OSU

Enantioselective Total Syntheses of Quinolizidine Lycopodium Alkaloid Cermizine D and Cytotoxic Marine Macrolide Mandelalide A

Design, characterization, and application of spectrometers for determination of low-level dissolved oxygen with small-volume sampling methodology

The Role of Materials Chemistry in Designing Advanced Color Inorganic Pigments

Fundamental Studies of the Structure-Property Correlations of Na-ion and K-ion Storage in Non-Graphitic Carbon

A unified approach for the total synthesis of C₁₀-functionalyzed Lycopodium alkaloids

Excited state molecular structural evolution and chemical reactivity studied by femtosecond stimulated Raman spectroscopy

Copper and iron chalcogenides for efficient solar absorption

New chemistry for electrochemical energy storage applications

Phosphor development : synthesis, characterization, and chromatic control

Transition Metal Oxides for Aqueous Electrochemical Energy Storage

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