Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 356 for “"organic molecules"”.
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Desymmetrilizing Organic Molecules via Structural Functionalization
… are actively pursued and published in nearly all organic related journals widely. Obviously, desymmetrization chemistry can serve as powerful tools for many important synthesis processes. Those reactions that benefited from desymmetrization include organocatalytic desymmetrization of …
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Epitaxial nanolayers of large organic molecules
In der vorliegenden Arbeit wurde das hochgeordnete Wachstum von großen organischen Molekülen auf kristallinen Substraten mit Hilfe der Quaterrylenderivate QT, QTCDI und QTCMI untersucht. Um derartige Schichten herstellen und charakterisieren zu können, wurde eine Organische Molekularstrahlepitaxy …
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Fluorinated Organic Molecules for Medicinal Applications
<p>The significant applications of fluorinated molecules in the pharmaceutical, agrochemical, and material sciences make them attractive synthetic targets. Difluoromethylation methods are of exceptional value and a limited number of techniques are available to perform that transformation. The …
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High Pressure Photophysics of Organic Molecules
Made available in DSpace on 2014-12-13T20:10:41Z (GMT). No. of bitstreams: 1 8004140.pdf: 3174714 bytes, checksum: b9fd488cf8a5a3a4704e2a9d22619be7 (MD5) Previous issue date: 1979
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Ordering of organic molecules on templated surfaces
… (C22H14) or trimesic acid, (C6H3(COOH)3) organic molecules. The following techniques were used in this study; Scanning Tunnelling Microscopy (STM), Low Energy Electron Diffraction (LEED), Normal Incident X-Ray Standing Waves (NIXSW) and Temperature Programmed Desorption (TPD). The room …
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Photophysics of Organic Molecules at High Pressure
Made available in DSpace on 2014-12-13T18:55:41Z (GMT). No. of bitstreams: 1 7913550.pdf: 4854618 bytes, checksum: aedca4e02b6a495de55502ead97d53c5 (MD5) Previous issue date: 1978
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Metal Complexes of Organic Molecules Containing Multiple Bonds
… nickel independent and is suggested to be the organic rearrangement of an intermediate, postulated to be a benzimidate. It is thought that benzaldoxime exists in its anti (β) configuration prior to rearrangement. A number of related experiments are cited. A kinetic investigation of the …
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New routes to enantioenriched substances through small organic molecules
In this thesis we will disclose the results obtained from the diastereoisomeric salt formation (n salt, p salt and p1,n1 salt) between non-racemic trans-chrysanthemic acid (trans-ChA) and pure enantiomers of threo-2-dimethylamino-1-phenyl-1,3-propanediol (DMPP). The occurrence of p1,n1 salt …
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Terahertz Raman Spectroscopy of Organic Molecules in Plasmonic Nanogaps
This thesis contributes to the extension of the technique of surface-enhanced Raman spectroscopy (SERS) from the infrared to the terahertz (THz) region of the electromagnetic spectrum. SERS was first discovered in 1977, and has since become a widespread, powerful analytical tool for chemistry and …
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Microfluidic systems for continuous crystallization of small organic molecules
… applications related to crystallization of small organic molecules. Crystallization is an important process in a number of industries, including specialty chemicals, food, cosmetics, nutraceuticals and, most importantly, pharmaceuticals. Most small molecule pharmaceuticals are isolated in …
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Super electron donors powerful reductions performed by neutral organic molecules
This project aims to explore the ability of organic molecules to transfer electrons and is based on the recent development within the Murphy group of a novel organic molecule, called Super-S.E.T. reagent 1, that allows the reduction of unactivated aryl and alkyl iodides. My study investigates the …
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The adsorption of organic molecules on metal and semiconductor surfaces
… the effects of coadsorbates on the adsorption of organic molecules bonded to Cu(111). First, the influence of coadsorbed CO on the structure and bonding of thiophene was investigated using a combination of LEED, AES, TPD and synchrotron-based NIXSW and NEXAFS techniques. It was found that the …
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Rotational spectra and molecular structures of organometallic and organic molecules
… and molecular structures of organometallic and organic molecules, using high-resolution pulsed beam Fourier transform microwave spectroscopy (PBFTMS) and computational methods. High-resolution rotational spectra and structural parameters were obtained for the following organometallic molecules …
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Probing the dynamical response of organic molecules to intense laser pulses
We probe the dynamical response of organic molecules to intense laser pulses using a mixed quantum-classical approach in which the electrons are described using time dependent density functional theory while the ions move classically. We begin by laying out the theory behind the work including an …
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DESIGN OF NOVEL ORGANIC MOLECULES AND METAL COMPLEXES WITH BIOLOGICAL PROPERTIES
… focusing on the design and study of bioactive molecules and Copper (II) complexes, as well as the development of innovative analytical methods applied to different systems. The core of this work is focused on synthesis and characterization of a series of copper (II) complexes bearing different …
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