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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Spelling suggestions: "subject:"dimethylethyl tartrate"" "subject:"dimethylethyl heartrate""

1

Topics In Synthetic Methodology : From Heterocycles To Hydride Transfers

Srimannarayana, Malempati 03 1900 (has links) (PDF)
This thesis, largely describing diverse studies in organic synthesis, is divided into three parts. Part I, titled ‘Heterocycles’, describes in two chapters studies directed towards elaborating certain thiazole and oxazole derivatives as useful synthons. Part II, titled ‘Hydride transfers’, describes in two chapters synthetic and some mechanistic studies involving the Cannizzaro and Tishchenko reactions, apart from work with chirally-modified alumino and borohydride reagents. Finally, Part III, titled ‘Miscellaneous studies’, describes structural studies on cyclic carbonates. (For structural formula see the abstract.pdf file.)
Heterocycles
Hydride Transfer
Organic Synthesis
Thiazoles - Synthesis
Oxazoles - Synthesis
Thioazlactone
Methoxyoxazole
Cannizzaro Reaction
Tishchenko Reaction
Cyclic Carbonates
Dimethyl Tartrate
Organic Chemistry
2

Vibrační optická aktivita biomolekul / Vibrational optical activity of biomolecules

Ješko, Eduard January 2016 (has links)
The thesis aims at the study of conformation of a dimethyl tartrate molecule using the methods of vibrational optical activity (VOA), namely vibrational circular dichroism (VCD) and Raman optical activity (ROA). Based on the theoretical background of both VOA methods and current state of research of the studied molecule there was a sample of dimethyl tartrate dissolved in different solvents and its properties were measured using VCD and ROA spectrometers. In addition to the experiment, ab initio calculations were carried out in order to compare calculated and experimental spectra. Based on the comparison, the possible conformations present in water solution of the studied molecule are described in detail.

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