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Dissertations / Theses on the topic 'Nitrogen-containing heterocyclic compounds'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Burnett, Duane Arthur. "Synthesis of nitrogen containing heterocycles /." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487264603219377.

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2

Cai, Chunming. "Microwave mediated synthesis of nitrogen- and/or oxygen-containing compounds." [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0013762.

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3

Zhu, Shuguang. "Generation of 1,3-dipoles containing carbon, nitrogen, sulphur and phosphorus." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0008/NQ34250.pdf.

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4

Nakhai, Azadeh. "Synthetic studies of nitrogen containing heterocycles, particularly pyrazole and benzotriazine derivatives." Stockholm, 2009. http://diss.kib.ki.se/2009/978-91-7409-687-3/.

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5

Chakraborty, Rakesh Ranjan. "Explorative studies on carbon-nitrogen (C-N) bond formation and synthesis of nitrogen containing heterocyclic compounds." Thesis, University of North Bengal, 2018. http://ir.nbu.ac.in/handle/123456789/2798.

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6

Wang, Ming De. "Metal catalyzed ring expansion carbonylation, rearrangement, cyclization and oxidation reactions of nitrogen containing heterocyclic compounds." Thesis, University of Ottawa (Canada), 1993. http://hdl.handle.net/10393/6851.

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An important class of carbonylation reactions to construct lactams are those that involve the direct "stitching" of carbon monoxide into a nitrogen heterocycle resulting in ring expansion. Cobalt carbonyl catalyzed the carbonylation of a series of 2-substituted pyrrolidines to form piperidinones. The reaction is regiospecific in most cases and the yield of product is increased when ruthenium carbonyl is present as a second catalyst. Chapter 2 of this thesis describes this piece of work. During the investigation of the ring expansion carbonylation reactions of pyrrolidines, a new rearrangement

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7

Benedetti, Erica. "Cycloisomerization reactions catalyzed by transition metal complexes : synthesis of oxigen-and nitrogen-containing heterocyclic compounds." Paris 6, 2011. http://www.theses.fr/2011PA066448.

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Ces dernières années, le besoin de méthodes éco-compatibles pour la préparation d’une vaste gamme de produits chimiques requis par la société a poussé la recherche à développer de nouveaux procédés de synthèse qui soient plus efficaces et économiques. Afin de minimiser l'utilisation de matières premières et la production de déchets, une réaction chimique devrait procéder selon les principes d’économie d’atomes. Plus précisément, une séquence synthétique devrait idéalement avoir lieu avec un contrôle complet de la stéréochimie, de manière quantitative et sans formation de produits secondaires.

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8

Tittle, James Alfred. "Ab Initio Studies of High Temperature Pyrolysis Mechanisms in Heterocyclic Nitrogen-Containing Compounds." Digital Commons @ East Tennessee State University, 2000. https://dc.etsu.edu/etd/21.

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The decomposition mechanisms of various coal constituents undergoing pyrolysis are of great concern in environmental circles (especially those coal constituents containing nitrogen). Most methods of burning coal that are efficient involve doing so at high temperatures. This invariably results in a large portion of non-combusting coal being heated to high temperatures also causing pyrolysis of the original coal constituents. The end result of such pyrolysis is the production of a number of noxious gaseous products. If we are to design methods of reducing the amount of toxins that are produced f

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9

Chettri, Sailesh. "Exploration of Catalytic Activities of Some Transition Metal Borates for Green Synthesis of Nitrogen Containing Heterocyclic Compounds." Thesis, University of North Bengal, 2022. http://ir.nbu.ac.in/handle/123456789/5098.

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10

Montiel, Achong Juan Andrés. "Chloroacetamides as Valuable Synthetic Tools to Access Nitrogen-Containing Heterocycles Using Both Radical and Non-Radical Processes." Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/400290.

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Durante este trabajo de tesis doctoral se ha demostrado que las cloroacetamidas son intermedios de gran utilidad para la síntesis de heterociclos nitrogenados a través de procesos radicalarios o no radicalarios. En este trabajo, hemos descrito por primera vez la espirociclación desaromatizante en bencenos no activados utilizando ciclación radicalaria con transferencia de átomo, a partir de benciltricloroacetamidas por tratamiento con CuCl en acetonitrilo y activación por microondas. Mientras que las N-(-metilbencil)tricloroacetamidas sometidas a condiciones radicalarias tenía dos rutas princi

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11

LANCIANESI, STEFANO. "Arylsulfonyl based compounds for the synthesis and functionalization of nitrogen containing heterocycles." Doctoral thesis, Università degli Studi di Camerino, 2015. http://hdl.handle.net/11581/401736.

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The research described in this PhD thesis has been carried out mainly at the Department of Chemistry, University of Camerino, under the supervision of Prof. Marino Petrini and Prof. Alessandro Palmieri, following their ongoing research interest in the chemistry of sulfonyl azoles and Î±-amidosulfones for the synthesis and functionalization of nitrogen-heterocycles. A convenient and easy method for the synthesis of unsymmetrical 3, 3'-bisindolyl and 3, 3'-bisbenzazolyl structures was developed. The presence of the p-toluenesulfonyl moiety at the benzylic position enables further functionalizati

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12

GIOFRE', SABRINA. "SYNTHESIS OF NITROGEN-CONTAINING HETEROCYCLIC SYSTEMS OF BIOLOGICAL INTEREST THROUGH DOMINO STRATEGIES." Doctoral thesis, Università degli Studi di Milano, 2020. http://hdl.handle.net/2434/701960.

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Abstract. In this thesis the synthesis of potentially biologically active heterocyclic compounds has been developed through novel catalytic methods involving C-N and C-O bond forming processes. The thesis consists of three main chapters: a) oxidative intramolecular palladium(II)-difunctionalizations of alkenes (Chapter 1); b) iodine species as a powerful tool in oxidative ring closing reaction (Chapter 2); c) intramolecular rhodium(I) allylic addition to afford α-vinyl-substituted heterocycles (Chapter 3). In Chapter 1.1 an aminoarylation process of allylic ureas has been investigated as a too

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13

Funakoshi, Yuuta. "Synthesis of Nitrogen-Containing Compounds from Terminal Alkynes and Sulfonyl Azides via N-Sulfonyl-1,2,3-triazoles." Kyoto University, 2017. http://hdl.handle.net/2433/227636.

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14

Liao, Chin-Hu, and 廖經互. "One pot preparations of nitrogen containing heterocyclic compounds." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/jg728u.

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碩士<br>中原大學<br>化學研究所<br>93<br>This thesis addresses on one-pot reaction involving allyl bromide,sodium azide and alkene carrying electron-withdrawing group to prepare 7-substituted 2,3,7-triaza-bicyclo[3.3.0]octenes. Therein, allyl azide was fromed firstly from nucleophilic substitution of azide ion to allyl bromide and followed by an intermolecular [3+2] dipolar cycloaddition of allyl azide and alkene to give 2-pyrazoline which subsequently isomerized to a diazo compound with a double bound. This intermediate then underwent an intramolecular [3+2] dipolar cycloaddition to produce unsubstituted

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15

He, Zhi. "Synthetic Application of Amphoteric Aziridine Aldehydes and alpha-Boryl Aldehydes." Thesis, 2012. http://hdl.handle.net/1807/34051.

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A range of N-H alkynylaziridines were prepared from amphoteric unprotected aziridine aldehydes without protecting-group manipulation. Unprotected alpha -amino allenes can be obtained from these strained propargyl amines via a 9-BBN mediated hydride transfer. Further transformation of alpha -amino allenes to 2,4,6-trisubstituted pyridines was realized. We also developed another class of amphoteric molecules – alpha-boryl aldehydes, equipped with the tetrahedral MIDA boryl group. A wide range of boryl-substituted building blocks or functionalized boronic acid derivatives have been accessed from

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16

"Ab Initio Studies of High Temperature Pyrolysis Mechanisms in Heterocyclic Nitrogen-Containing Compounds." East Tennessee State University, 2000. http://etd-submit.etsu.edu/etd/theses/available/etd-0718100-175323/.

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