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.
Results
Showing 1 to 20 of 1131 for “"Chemistry--Organic"”.
-
Transition Metal-Mediated Higher-Order Cycloaddition Reactions: Application To The Total Synthesis Of Complex Natural Products
… <p>Advisor: Dr. James H. Rigby</p> <p>Major: Chemistry (Organic)</p> <p>Degree: Doctor of Philosophy</p> <p>Chromium (0)-mediated [6ð + 2ð] and [6ð + 2ð + 2ð] cycloaddition reactions between cyclic trienes and alkynes is reported. The development, investigation and the application of these …
-
The relationship between students’ definitions of chemistry and the way they view the discipline
… how students and faculty members define chemistry as well as students' views towards the discipline. Several students in General Chemistry I and II, Analytical Chemistry, Organic Chemistry, and Biochemistry labs, as well as the faculty, were interviewed using a semi-structured method. The …
-
The Origin of Dark Mats at the Sunrise Ridge Borrow Pit Site (45PI408) Mount Rainier National Park, Washington
… used to investigate these data gaps. Grain size, chemistry, organic content, pH, and calcium carbonate content are characterized to document parent material and depositional environment of adjacent strata. Dark mats typically had higher organic content and similar chemistry and grain-size …
-
The Outcomes of an Innovative Hybrid Pre-dental Admission Enhancement Program among Underrepresented Minority and Disadvantaged Students
… the academic content of the AEP including Math, Chemistry, Organic Chemistry and Biology, 24/7 in an asynchronous format. Students were also mentored by supplemental instructors (SI) from the International Center for Supplemental Instruction (ICSI) three times per week in live synchronous …
-
Biological Evaluation Of The Vaccine Candidate Tf-Ps A1 And A One-Pot Multicomponent Coupling/cyclization For Natural Product Herbicide (±)-Thaxtomin A
… Prof. Peter R. Andreana </p> <p>Major: Chemistry (Organic) </p> <p>Degree: Doctor of Philosophy</p> <p>The -aminooxy derivative of the Thomsen–Friedenreich tumor associated carbohydrate antigen has been synthesized in 11 steps utilizing a D-GalN3 acceptor carrying a pre-installed …
-
I-Kinetic And Mechanistic Investigations Of Amino Acid Substrates Reactivities With Ferryl Species
… Dr. Jeremy Jacob Kodanko</p> <p>Major: Chemistry (Organic)</p> <p>Degree: Doctor of philosophy</p> <p>The reactivity of tryptophan, methionine, aspartic acid, glutamic acid, histidine and hydrochloride salt of lysine amino acid substrates with the N4Py ferryl species was studied by …
-
PART I: ORGANOMETALLIC COMPLEXES AND OXIDATIVE REACTIONS OF SEMIBULLVALENE. PART II: CONFIGURATIONAL STUDIES UPON N-METHYLTHIOLACTAMS.
PART I: ORGANOMETALLIC COMPLEXES AND OXIDATIVE REACTIONS OF SEMIBULLVALENE. PART II: CONFIGURATIONAL STUDIES UPON N-METHYLTHIOLACTAMS.
-
PHOSPHORIC ACID CONDENSATIONS WITH TRICHLOROACETONITRILE.
PHOSPHORIC ACID CONDENSATIONS WITH TRICHLOROACETONITRILE.
-
Asymmetric synthesis of an advanced intermediate for the preparation of zaragozic acid Ax3.
Asymmetric synthesis of an advanced intermediate for the preparation of zaragozic acid Ax3.
-
Applications of fluorous chalcogenides and of radical cations in organic synthesis.
… fluorous chalcogenides and of radical cations in organic synthesis.
-
Conformationally-restricted analogs of selected anticholinergic agents as probes for the muscarinic receptor.
Conformationally-restricted analogs of selected anticholinergic agents as probes for the muscarinic receptor.
-
Stereoselective glycosylation and chemical ligation-applications in oligosaccharide and peptide synthesis.
Stereoselective glycosylation and chemical ligation-applications in oligosaccharide and peptide synthesis.
-
THREE STUDIES OF 2-PYRIDONE PHOTOADDUCT REACTIVITY
… carbon. As part of a program to develop the chemistry of these complex adducts, three studies have been conducted. Halogenation of trans iv give rearranged i. Cope rearrangement of cis v gives vi which can undergo retro-Mannich reaction to yield unsymmtrically coupled piperidines vii. …
-
Studies directed towards the enantioselective total synthesis of trans-Dihydrolycorcidine
Abstract not available.
-
Synthesis of glycolipids inspired by Fucus distichus and natural product isolation and characterization of Euphorbia lancifolia
The ethanolic extracts of Fucus distichus, a freshwater brown algae harvested from Ungava Bay in northern Quebec, have demonstrated antiviral and antibiotic activity. The major component and potential active molecule from this seaweed was identified as a glycolipid consisting of beta- D-galactose …
-
Part A The application of fluorescence resonance energy transfer to reaction discovery Part B The stereodefined synthesis of tetrasubstituted olefins
In part A, the development of methodology for enantioselective reaction monitoring using Fluorescence Resonance Energy Transfer (FRET) is described. The syntheses of enantiomeric epoxides bearing different fluorescent donors and a phenol that bore fluorescence acceptor were explored.* Part B …
-
Mild [Pd(OAc)2/PPh3] catalyzed cyclization reactions of N-Alkyl-2-vinylazetidines with heterocumulenes.
… and suggest great potential for these methods in organic synthesis. The steric and electronic influence of substituents on either the azetidine or carbodiimide has established maximal characteristics of substrates suitable for the insertion. Two conformational isomers result from insertion of …
-
Carbomagnesium mediated reactions: A versatile tool in organic synthesis.
… been employed as a route to a diverse range of organic synthons. The original carbometallation procedure has been optimized by a solvent study, which indicates that cyclohexane can be used in most cases, to improve the yields and consistency of the reaction. A wide-range of polysubstituted …
-
Exploratory studies in the use of microwave radiation to assist the extraction of pollutants from various matrices.
The microwave assisted extraction of organic contaminants from heterogeneous environmental solids was investigated. The mechanisms for the interaction of a microwave field with matter, and the basic equipment used in microwave processing are presented. It was found that water content is the most …
Page 1 of 57