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Full-Text Articles in Physical Sciences and Mathematics
The Selective Oxidation Of Dihydrosilanes, Paul B. Gansle Jr.
The Selective Oxidation Of Dihydrosilanes, Paul B. Gansle Jr.
Honors Theses
The synthesis of drugs and natural products in enartiomerically pure form is a growing area of research. Our laboratory is currently working on synthetic methodologies that would facilitate the production of compounds in such a form. The approach we are taking is to use chiral silanes as templates for the stereochemical control of organic reactions. In order to do this, however, we must first synthesize these silanes enantiomerically pure. This project focuses on the synthesis of chiral silanes by selective oxidation of prochiral dihydrosilanes to yield directly, or by further transformations, halohydrosilanes. These halohydrosilanes can in turn, be used as …
The Development And Testing Of An Instrument For Doing Fast Time-Resolved Infrared Spectroscopy And The Study Of Dimanganese Decacarbonyl Using Uv/Vis And Ftrir Spectroscopic Techniques, Steven Wells Kinne
Honors Theses
Over the past three years at Union College, an instrument has been developed that can be used to probe the mechanisms of the photochemistry of transition metal carbonyl compounds. When these complexes are activated with photons, one or two carbonyl ligands are removed from the complex, opening these sites for chemical bonding. Thus, the coordinatively unsaturated species become catalytically active, and can catalyze a wide variety of organic reactions. The intermediates in these catalytic cycles tend to be short-liver lifetimes are usually less than one second), and therefore special instrumnetation must be developed in order to directly observe these intermediates …
Construction Of A Compact, Versatile Diode Laser Spectrometer And Characterization Of Dye-Surfactant Interactions, Marc Alexander Unger
Construction Of A Compact, Versatile Diode Laser Spectrometer And Characterization Of Dye-Surfactant Interactions, Marc Alexander Unger
Honors Theses
A compact diode laser spectrometer has been designed and built. A diode laser serves as a light source. The sample holder was designed to allow the mounting of optical filters and focusing optics. These optical filters differentiate between transmitted, scattered, and fluorescent light. A photodiode transduces one of these optical signals to a current signal. The electronics were designed to perform current to voltage conversion, amplify the signal, and filter out noise. Further processing and display are performed by a "Virtual Instrument", which is a computer program designed to simulate a physical instrument. Design methodology for the mechanical/optical, electronic, and …