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Dissertations / Theses on the topic 'Aromatic aldehyde'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Auty, Kevin. "Peroxygens in catalysed aromatic side-chain oxidations." Thesis, University of York, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337658.

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2

Large, Andrew. "Aromatic alcohol oxidase, aldehyde oxidase and mannitol oxidase in terrestrial gastropods." Thesis, University of Wolverhampton, 1995. http://hdl.handle.net/2436/88293.

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3

Hünig, Hagen. "Darstellung und Charakterisierung neuartiger C-Arylcalix(4)resorcinarene." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2001. http://nbn-resolving.de/urn:nbn:de:swb:14-994682363390-44859.

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In der vorliegenden Arbeit wird die Darstellung und Charakterisierung von aromatisch substituierten Calix(4)resorcinarenen behandelt. Im zweiten Kapitel werden die Grundlagen und Besonderheiten bei Calix(4)resorcinarenen angesprochen. Ein Überblick über die wichtigsten Verbindungen dieser Gruppe von Makrocyclen wird gegeben. Im Kapitel 3 werden wesentliche Methoden zur vollständigen O-Alkylierung bei Calix(4)resorcinaren genannt. Außerdem werden Methoden zur partiellen O-Alkylierung von C-Arylcalix(4)resorcinarenen vorgestellt. Das Kapitel 4 stellt die Methoden zur Strukturaufklärung mittels 2

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4

Voigtländer, David. "Neue Platin-katalysierte C-C- und C-O-Verknüpfungsreaktionen." [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=961741740.

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5

Hünig, Hagen. "Darstellung und Charakterisierung neuartiger C-Arylcalix(4)resorcinarene." Doctoral thesis, Technische Universität Dresden, 2000. https://tud.qucosa.de/id/qucosa%3A24757.

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In der vorliegenden Arbeit wird die Darstellung und Charakterisierung von aromatisch substituierten Calix(4)resorcinarenen behandelt. Im zweiten Kapitel werden die Grundlagen und Besonderheiten bei Calix(4)resorcinarenen angesprochen. Ein Überblick über die wichtigsten Verbindungen dieser Gruppe von Makrocyclen wird gegeben. Im Kapitel 3 werden wesentliche Methoden zur vollständigen O-Alkylierung bei Calix(4)resorcinaren genannt. Außerdem werden Methoden zur partiellen O-Alkylierung von C-Arylcalix(4)resorcinarenen vorgestellt. Das Kapitel 4 stellt die Methoden zur Strukturaufklärung mittels 2

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6

Wang, Junkuan. "Synthesis of aromatic aldehydes and the oscillatory behavior of their catalytic autoxidation /." [S.l.] : [s.n.], 1993. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=10371.

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7

Kjelmand, Luna. "Olfactory sensitivity of spider monkeys (Ateles geoffroyi) for six structurally related aromatic aldehydes." Thesis, Linköping University, Department of Physics, Chemistry and Biology, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-18796.

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<p>For many years, primates have been considered to be animals with a poorly developed sense of smell. However, in recent years several studies have shown that at least some primate species have a high olfactory sensitivity for a variety of odorants. The present study used a two-choice instrumental conditioning paradigm to test the olfactory sensitivity for six aromatic aldehydes in four spider monkeys (Ateles geoffroyi). With helional, cyclamal,canthoxal and lilial all animals discriminated concentrations below 1 ppm from the odorless solvent, with single individuals even scoring better. With

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8

Larsson, Linda. "Olfactory sensitivity in CD-1 mice for the sperm-attractant odorant bourgeonal and some of its structural analogues." Thesis, Linköping University, Linköping University, Department of Physics, Chemistry and Biology, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-56813.

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<p>Using a conditioning paradigm and an automated olfactometer, I investigated the olfactory sensitivity of five CD-1 mice for seven aromatic aldehydes. With two of the stimuli (3-phenylpropanal and canthoxal), the animals discriminated concentrations as low as 10 ppb (parts per billion) from the odorless solvent and with four of the stimuli (helional, cyclamal, lilial and lyral) they discriminated concentrations as low as 1 ppb, with single individuals even scoring better. All five animals yielded the by far lowest threshold value with bourgeonal and discriminated a concentration of 0.1 ppq (

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9

Xiao, Wenbo, and 萧文博. "Ruthenium porphyrin catalyzed nitrene insertion into C-H bonds of aromatic heterocycles, aldehydes and alkanes." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B50434317.

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Transition metal catalyzed selective nitrene insertion into C-H bonds, which allows direct incorporation of nitrogen functionality into hydrocarbons, represents an appealing methodology for C-N bond formation, a type of bond formation of great importance in organic synthesis due to the prevalence of amino groups in biologically active natural products and pharmaceuticals. Organic azides are atom-economic and an environment-benign nitrene source. This dissertation reports the use of organic azides as a nitrene source to develop a series of protocols for C-H bond functionalization by metal-cata

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10

Tayyari, Fariba. "Efficient one-pot reductive alkylations of malononitrile with aromatic aldehydes and one-pot synthesis of new 2-amino-3-cyano-4H-chromenes." Virtual Press, 2008. http://liblink.bsu.edu/uhtbin/catkey/1399195.

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A powerful new one-pot method has been developed for the reductive alkylation of malononitrile with aromatic aldehydes. This new procedure has vastly improved the yield and efficiency and increased the scope for the aromatic aldehydes. Incorporating water as the catalyst in ethanol for the condensation step allows stoichiometric amounts of malononitrile and aldehyde to be employed. After dilution and cooling the reduction step takes place quickly and efficiently with sodium borohydride to give monosubstituted malononitriles.The product from the reductive alkylation of malononitrile with 2-quin

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11

Lord, Simon D. "Some studies of the reactions of amines with aldehydes and with aromatic nitro-compounds in acetonitrile." Thesis, Durham University, 1996. http://etheses.dur.ac.uk/5241/.

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Kinetic and equilibrium studies of the reactions between three trinitroaromatic species, 1,3,5-trinitrobenzene, ethyl 2,4,6-trmitrophenyl ether and phenyl 2,4,6- trinitrophenyl ether and the ahphatic amines n-butylamine, pyrrolidine and piperidine, in acetonitrile were undertaken. It was found that the reactions between 1,3,5-trinitrobenzene and each amine were too fast to measure. However kinetic information was gamed from the decomposition of the c-adducts formed from1.3.5- trinitrobenzene and both pyrrolidine and piperidme. Both the 3-adduct and the 1-adduct are observed as intermediates m

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12

Žvaková, Veronika. "Detailní charakterizace pyrolýzního oleje pomocí separačních technik a hmotnostní spektrometrie." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2017. http://www.nusl.cz/ntk/nusl-316220.

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The aim of this work is detailed characterization of pyrolysis oil by advanced analytical separation methods and mass spectrometry. During the pyrolysis process decomposition of complex organic material take place in the presence of high temperatures and the absence of oxygen. Condensable part of vapours and aerosols forms viscous liquid called pyrolysis oil which is a complex mixture of large amount of compounds. In this work samples from microwave pyrolysis of woodchips and sewage sludge from wastewater treatment plant Brno-Modřice were analysed. Samples were provided by Bionic Laboratories

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13

Lavigne, André. "Oxydations cupro-catalysees des amines aliphatiques : etudes mecanistiques et applications synthetiques." Paris 6, 1987. http://www.theses.fr/1987PA066470.

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Preparation de nitriles a partir d'amines primaires et d'alpha -aminoacides. Les acides amines monosubstutitues rch(nh::(2))co::(2)h donnent le nitrile rcn, alors que les acides amines disubstitues rr'c(nh::(2))co::(2)h conduisent a l'azine rr'c=n-n=cr'r. Les mecanismes proposes font intervenir le cuivre (iii), forme in situ a partir du cuivre (i) et de l'oxygene

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14

Pagare, Piyusha P. "RATIONAL DESIGN OF ALLOSTERIC MODULATORS OF HEMOGLOBIN AS DUAL ACTING ANTISICKLING AGENTS." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5451.

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Intracellular polymerization of deoxygenated sickle hemoglobin (Hb S) remains the principal cause of the pathophysiology associated with sickle cell disease (SCD). Naturally occurring and synthetic allosteric effectors of hemoglobin (AEH) have been investigated as potential therapeutic agents for the treatment of SCD. Several aromatic aldehydes, including vanillin, have been studied previously as AEHs for their antisickling activities. Specifically, these compounds form Schiff- base adduct with Hb to stabilize the oxygenated (R) state, increase Hb affinity for O2 and concomitantly prevent the

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15

Roche, Agnès. "Mise au point et étude d'échantillonneurs diffusifs pour le suivi de l'exposition personnelle aux concentrations atmosphériques de benzène, toluène, éthylbenzène et xylènes BTEX et d'aldéhydes." Université Joseph Fourier (Grenoble), 1999. http://www.theses.fr/1999GRE10018.

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Le principe des echantillonneurs diffusifs repose sur la diffusion des composes organiques volatils, regie par la premiere loi de fick, jusqu'a un adsorbant sur lequel ils sont pieges. Ces appareils sont de plus en plus utilises pour controler les atmospheres de travail, mais on connait tres peu leurs capacites en milieu peu pollue. Il s'agit donc d'une etude menee sur des echantillonneurs de type tube pour les btex en les testant et en les etalonnant a tres basses concentrations (ppbv) dans des chambres de simulation, dans differentes conditions (humidite, agitation atmospherique), et si beso

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16

Debnar-Daumler, Lisa Lena Carlotta [Verfasser], and Johann [Akademischer Betreuer] Heider. "Aldehyd-oxidierende Enzyme im anaeroben Phenylalanin-Stoffwechsel von Aromatoleum aromaticum / Lisa Lena Carlotta Debnar-Daumler. Betreuer: Johann Heider." Marburg : Philipps-Universität Marburg, 2014. http://d-nb.info/1061124991/34.

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17

Du, Guodong. "Group 4 Metalloporphyrin diolato Complexes and Catalytic Application of Metalloporphyrins and Related Transition Metal Complexes." Washington, D.C. : Oak Ridge, Tenn. : United States. Dept. of Energy. Office of Science ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2004. http://www.osti.gov/servlets/purl/835301-irsXCw/webviewable/.

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18

Tue, Bi Balo. "Etude de la synthèse électrochimique de chloro-oléfines par réaction de Wittig-Horner in situ." Rouen, 1988. http://www.theses.fr/1988ROUES025.

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Les composés du titre sont préparés par une réaction d'Horner Emmons entre un dérivé carbonylé (aldéhydes et cétones aliphatiques et aromatiques) et l'anion issu de la réduction électrochimique du o,o-diéthyl trichlorométhyl phosphanate. On propose une méthode de préparation des dichloro- et chlorométhylphosphonates par électrolyse à courant constant sur cathode à feutre de carbone. Le comportement électrochimique des oléfines dichlorées préparées est étudié. On obtient également un époxyphosphonate par réduction électrochimique d'un sel de phosphonium dérivant du trichlorométhylphosphonate

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19

Shearrow, Anne M. "Ionic liquid-mediated sol-gel sorbents for capillary microextraction and challenges in glass microfabrication." [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0002988.

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20

Villoria, del Álamo Beatriz. "Síntesis de catalizadores sólidos orgánicos e híbridos orgánicos-inorgánicos y su aplicación." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/163789.

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[ES] En este trabajo de tesis doctoral, la investigación se ha centrado en el desarrollo de diferentes procesos catalíticos heterogéneos empleando materiales híbridos orgánico-inorgánicos porosos (MOFs y sílices funcionalizadas) y materiales orgánicos aromáti-cos (PAFs), que se han estudiado en diversas reacciones orgánicas. Tras la preparación de los MOFs en estudio, se han caracterizado sus propiedades estructurales y se han determinado sus centros activos en los clústeres metálicos (circonio, hafnio o cerio). La reactividad de estos MOFs y de los materiales híbridos sílice-aminas se ha estu

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21

Mora, Anne-Sophie. "Élaboration de revêtements époxy pour contact alimentaire à empreinte environnementale réduite A perspective approach on the amine reactivity and the hydrogen bonds effect on epoxy-amine systems vanillin-derived amines for bio-based thermosets synthesis of biobased reactive hydroxyl amines by amination reaction of cardanol-based epoxy monomers synthesis of pluri-functional amine hardeners from bio-based aromatic aldehydes for epoxy amine thermosets cardanol-based epoxy monomers for high thermal properties thermosets." Thesis, Montpellier, Ecole nationale supérieure de chimie, 2019. http://www.theses.fr/2019ENCM0012.

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Les travaux de thèse présentés sont issus d’une collaboration industrielle avec la société Nouvelle Sogatra, spécialisée dans la conception, la fabrication et la commercialisation de revêtements de protection bi-composants répondant aux normes d’alimentarité. L’objectif principal de ce projet est de proposer de nouveaux revêtements époxydiques performants en utilisant des produits biosourcés et, dans l’idéal, moins dangereux pour l’Homme et pour l’environnement. Ces travaux de thèse s’axent autour de l’identification de nouvelles méthodologies de synthèse de durcisseurs aminés biosourcés qui s

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22

Beedham, Christine, D. Kouretas, and Georgios I. Panoutsopoulos. "Contribution of aldehyde oxidase, xanthine oxidase and aldehyde dehydro-genase on the oxidation of aromatic aldehydes." 2004. http://hdl.handle.net/10454/4169.

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No<br>Aliphatic aldehydes have a high affinity toward aldehyde dehydrogenase activity but are relatively poor substrates of aldehyde oxidase and xanthine oxidase. In addition, the oxidation of xenobiotic-derived aromatic aldehydes by the latter enzymes has not been studied to any great extent. The present investigation compares the relative contribution of aldehyde dehydrogenase, aldehyde oxidase, and xanthine oxidase activities in the oxidation of substituted benzaldehydes in separate preparations. The incubation of vanillin, isovanillin, and protocatechuic aldehyde with either guinea pig liv

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23

Tsai, Fu-Yuan, and 蔡福源. "Cyclization of Aromatic Propargyl Alcohol with Thiophene Group Yielding Naphthothiophene Aldehyde Catalyzed by Ruthenium Complex." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/04133767091086029044.

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博士<br>國立臺灣大學<br>化學研究所<br>100<br>Chapter 1. The chemical reactions of Cp(PPh3)2RuCl with the phenyl propargylic alcohol 1a, bearing a 3-thiophene group are explored. The carbene complex 2a, obtained exclusively from this reaction at low temperature, contains the naphthothiophene group formed via a new cyclization process between the thiophene group and the inner carbon of the triple bond. Details of this process are revealed by running the reaction at room temperature, affording the allenylidene complex 3a as a side product. Complex 3a is not converted to 2a, indicating that the cyclization tak

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24

Chang, Wei-Chen, and 張維真. "Cyclization Reactions of Ruthenium Vinylidene Complexes with Terminal Aromatic Alkynes Containing Aldehyde, Ketone, and Ester Functionality." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/58284061427972528642.

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碩士<br>臺灣大學<br>化學研究所<br>98<br>Terminal arylalkynes containing aldehyde, ketone, and ester functionality (1a-c and 6), were reacted with [Ru]-Cl ([Ru] = (η5-C5H5)(PPh3)2Ru) to investigate the specific influence of different carbonyl groups. Dissimilar types of hetrocyclic complexes were obtained, including a six-membered ring alkoxycarbene complex 2 from 1, an isobenzofuran carbene complex 3 from 1, or furan complexes 11c and 12a-c from 6, respectively. For the o-alkynyl benzaldehyde 1a, the reaction with [Ru]-Cl takes place at the terminal alkyne first giving the vinylidene-intermediate II whi

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25

Sheng, Hsieh Chin, and 謝金生. "Studies on the Cyclization Reactions of Diarylcarbazides with Various Aromatic Aldehydes and Ketones." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/06048575645179493496.

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碩士<br>國立成功大學<br>化學系<br>88<br>In present study, 1,4-diarylcarbazides and 2,4-diarylcarbazides have been synthesized by using α-chloroformylarylhydrazine hydrochloride as a starting material. The cyclization reactions of both carbazides with aldehydes and ketones have also been investigated. There are four major parts in this research summarized as follows: 1. 1,4-Diarylcarbazides can react with ketones to generate 1,2,4-triazolidin-3-one. 2. In acidic condition, 1,4-diarylcabazides can react with 2,3-butanedione to produce 2-aryl-4-phenylamino-4,5-dihydro-2H- 1,

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26

"Cavity ring-down spectroscopic study of gas-phase photolysis of unsaturated dicarbonyls and aromatic aldehydes, and surface photolysis of acetaldehyde." STATE UNIVERSITY OF NEW YORK AT ALBANY, 2010. http://pqdtopen.proquest.com/#viewpdf?dispub=3366994.

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27

Tsai, Din-Yu, and 蔡定裕. "The Study of Toxicity Assessment of Aromatic Aldehydes(Benzaldehydes) Using a Closed-System Algal Test and The Quantitative Structure-Activity Relationship." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/83548615052654470341.

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碩士<br>國立交通大學<br>環境工程系所<br>94<br>The objective of this study is to study the toxic effect of aromatic aldehydes (benzaldehyde) on Pseudokirchneriella subcapitata using a closed system test. The effects of benzaldehydes were evaluated by three kinds of response endpoints, i.e., cell density, algal growth rate, and the dissolved oxygen production. Median effective concentratons (EC50s) were estimated using the Probit model with a test duration of 48hr. The quantitative structure-activity relationships (QSARs) were established based on the 1-octanol/water partition coefficient (logKow) and an e

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28

Vippila, Mohana Rao. "Novel Approaches For The Synthesis Of Amino Acids And Piperidines, Including Asymmetric Strategies." Thesis, 2012. https://etd.iisc.ac.in/handle/2005/2304.

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Chapter I deals with novel approaches for α-amino acids. This chapter has been divided into three sections. Section A describes the synthesis of α-amino acids via the Beckmann rearrangement of carboxyl-protected β-keto acid oximes. The synthesis of α-amino acids using the Beckmann rearrangement involves the preparation of the Z-oxime and efficient protection of the carboxyl group. Various 2-substituted benzoylacetic acids were synthesized, in which the carboxyl function was masked as a 2,4,10-trioxaadamantane unit (an orthoacetate), and were converted to their oximes (Scheme 1).1 The oximes we

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29

Vippila, Mohana Rao. "Novel Approaches For The Synthesis Of Amino Acids And Piperidines, Including Asymmetric Strategies." Thesis, 2012. http://hdl.handle.net/2005/2304.

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Chapter I deals with novel approaches for α-amino acids. This chapter has been divided into three sections. Section A describes the synthesis of α-amino acids via the Beckmann rearrangement of carboxyl-protected β-keto acid oximes. The synthesis of α-amino acids using the Beckmann rearrangement involves the preparation of the Z-oxime and efficient protection of the carboxyl group. Various 2-substituted benzoylacetic acids were synthesized, in which the carboxyl function was masked as a 2,4,10-trioxaadamantane unit (an orthoacetate), and were converted to their oximes (Scheme 1).1 The oximes we

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30

Kua-RongWu and 吳姱蓉. "A study on the emission characteristics of polycyclic aromatic hydrocarbons and aldehydes during the deep-frying process and the capture efficiencies of a kitchen exhaust hood." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/w8a2fa.

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