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Browse Graduate Dissertations and Theses at Illinois by Title
Now showing items 1-20 of 49513
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(1998)Chapter III describes a series of 1,3-, 2,5-, and 2,4-dimethylene five-member heterocycles as new ferromagnetic coupling units. Full geometry optimization of structures with heteroatoms ranging from Be to O and from Mg to ...
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(1988)1. (4+2) -Cycloadditions of nitrosoalkenes, vinylnitrosonium cations, and nitroalkenes are discussed.
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(1964)
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(1984)The first synthesis of the 1,3-diazabiphenylene ring system by cobalt-catalyzed cooligomerization of a novel diethynylpyrimidine and bis(trimethylsilyl)acetylene is described. This diazabiphenylene is found to undergo an ...
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(2017-04-24)The compound 1-(1H-pyrrol-2-yl)-1,2-propanedione was recently found to be an important pheromone component of several Asian species of longhorned beetles in the subfamily Cerambycinae. Here, we report the first confirmed ...
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(1984)Several acylamido boronic acids and difluoroborane analogs of amino acids, some as single enantiomers, have been synthesized and evaluated as "transition state" inhibitors of the serine proteases (alpha)-chymotrypsin and ...
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(1980)The {3,3}sigmatropic rearrangement of N-alkyl-N-aryl-O-acetoacetylhydroxylamines gives N-alkyl indoles in moderate yields under mild conditions. The substituted hydroxylamines were prepared by the condensation of aldehydes ...
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(2005)The ion permeation through cell membrane facilitated by ion channel system is essentially 1-D diffusion process. With faster computer and more advanced algorithm, this process could be investigated by Brownian Dynamics ...
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(1991)We determine the existence of 1-factorizations of certain tensor products of graphs. The properties of these 1-factorizations are of interest; to study them, we develop results about the automorphism group of tensor products ...
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(2002)In this work, we also propose an efficient calibration approach, suitable for a GHz-range operation. One of the most important considerations in current-steering D/A converter design is the current mismatch issue in the ...
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(2000)A 1-GS/s, 14-bit track-and-hold amplifier (THA) has been studied as the second half of this dissertation research. The THA is a key subcircuit in a data acquisition and conversion system. The input buffer of the THA employs ...
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(2005)Format and number of attempts were varied in online pre-lecture quizzes administered to a first semester non-majors organic chemistry lecture course. Student quiz performance and post-quiz assessment shows significant ...
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(2016-12-08)In Chapter 1, attempts to reproduce eight, putative, enantioselective dibromination and chlorohydroxylation reactions from oft-cited literature studies are described. The reactions were performed with full fidelity to the ...
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(2000)The transition state geometry for the transfer of oxygen from N-sulfonyl oxaziridines to alkenes and fluorine transfer from N-fluoro sultams to carbanions was investigated. In the former application of the endocyclic ...
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Now showing items 1-20 of 49513