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Dissertations / Theses on the topic 'Salicylidene'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Hakobyan, Shoghik. "Antivirulent and antibiofilm salicylidene acylhydrazide complexes in solution and at interfaces." Doctoral thesis, Umeå universitet, Kemiska institutionen, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-107889.

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The growing bacterial resistance against antibiotics creates a limitation for using traditional antibiotics and requests development of new approaches for treatment of bacterial infections. Among the bacterial infections that are most difficult to treat, biofilm-associated infections are one of the most hazardous. Consequently, the prevention of biofilm formation is a very important issue. One of the techniques that are widely investigated nowadays for this purpose is surface modification by polymer brushes that allows generating antifouling antibacterial surfaces. Previously, it was reported

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2

Beckham, Katherine S. H. "Structural and functional characterisation of the protein targets of the anti-virulence compounds, the salicylidene acylhydrazides." Thesis, University of Glasgow, 2014. http://theses.gla.ac.uk/5154/.

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Escherichia coli contributes to the commensal microbiota of most mammals by producing vitamins and aiding digestion. However, several strains of E. coli have evolved as pathogens and have become highly adapted for specific niches through the acquisition of pathogenicity islands. E. coli O157:H7 is a commensal bacterium of cattle but if transferred to humans, usually by contaminated food products, it can act as a pathogen. In humans E. coli O157:H7 causes diarrhoea, haemorrhagic colitis and in some cases haemolytic uremic syndrome which can result in death. Clinical treatment of this pathogen i

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3

Zetterström, Caroline E. "Small Molecules as Tools in Biological Chemistry : Effects of Synthetic and Natural Products on the Type III Secretion System." Doctoral thesis, Umeå universitet, Kemiska institutionen, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-70281.

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The increasing use of antibiotics has led to a huge problem for society, as some bacteria have developed resistance towards many of the antibiotics currently available. To help find solutions to this problem we studied small molecules that inhibit bacterial virulence, the ability to cause disease. The type III secretion system (T3SS) is a conserved virulence system found in several gram-negative bacteria, including human and plants pathogens, such as Yersinia spp., Pseudomonas aeruginosa, Chlamydia spp., Salmonella spp., Shigella spp, enteropathogenic Escherichia coli (EPEC), enterohemorrhagic

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4

Kodjo, Charles Guillaume. "Détermination structurale d'une série de 3,4,5-triméthoxy N-salicylidène anilines par diffraction des rayons X et spectrométries." Aix-Marseille 1, 1997. http://www.theses.fr/1997AIX11011.

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Les salicylideneanilines constituent une classe particuliere de composes organiques pouvant presenter des proprietes de thermochromie et/ou de photochromie. Le travail, presente dans ce memoire, est une contribution a l'etude de l'influence des interactions intermoleculaires sur ces proprietes de changement reversible de couleur avec la temperature ou apres absorption de photons. Nous nous sommes interesses a une serie de salicylidenes ayant un meme fragment 3,4,5-trimethoxyaniline. La substitution d'un autre groupement methoxy sur le cycle salicylidene et son deplacement systematique nous a p

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5

Mouton, Nicolas. "Ré-investigation de la photo-dynamique du salicylidène aniline par spectroscopie d'absorption transitoire femtoseconde et analyse multivariée des données." Phd thesis, Université des Sciences et Technologie de Lille - Lille I, 2011. http://tel.archives-ouvertes.fr/tel-00689167.

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Cette thèse s'intéresse à la photo-dynamique du photochromisme du salicylidène aniline (SA) en solution afin d'en proposer un mécanisme général. Le photochromisme du SA faisant intervenir un transfert de proton intramoléculaire ultra-rapide, l'étude expérimentale a été principalement conduite par spectroscopie d'absorption transitoire femtoseconde à différentes longueurs d'onde d'excitation. L'observation de processus photo-induits ultra-rapides par les techniques de spectroscopie de type pompe-sonde requiert la mesure et la prise en compte de la fonction de réponse instrumentale. En effet, de

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6

Mouton, Nicolas. "Ré-investigation de la photo-dynamique du salicylidène aniline par spectroscopie d’absorption transitoire femtoseconde et analyse multivariée des données." Thesis, Lille 1, 2011. http://www.theses.fr/2011LIL10090/document.

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Cette thèse s’intéresse à la photo-dynamique du photochromisme du salicylidène aniline (SA) en solution afin d’en proposer un mécanisme général. Le photochromisme du SA faisant intervenir un transfert de proton intramoléculaire ultra-rapide, l’étude expérimentale a été principalement conduite par spectroscopie d’absorption transitoire femtoseconde à différentes longueurs d’onde d’excitation. L’observation de processus photo-induits ultra-rapides par les techniques de spectroscopie de type pompe-sonde requiert la mesure et la prise en compte de la fonction de réponse instrumentale. En effet, de

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7

Ländner, Alexander. "Komplexe achtfach koordinierter Lanthanoid(III, IV)-Tetrapyrrolverbindungen mit dem vierzähnigen 2N-2O-Schiff-Base-Chelat-Liganden N-Salicyliden-N'-(2-hydroxyethyl)ethylendiamin." [S.l. : s.n.], 2004. http://elib.tu-darmstadt.de/diss/000463.

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8

Germino, José Carlos 1990. "Propriedades luminescentes de compostos de coordenação de Zn(II)." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/249465.

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Orientador: Teresa Dib Zambon Atvars<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Química<br>Made available in DSpace on 2018-08-27T20:25:11Z (GMT). No. of bitstreams: 1 Germino_JoseCarlos_M.pdf: 14479907 bytes, checksum: c9f86b7bc1995a755d797d3af0c41cfc (MD5) Previous issue date: 2014<br>Resumo: Nesta dissertação foram estudadas as propriedades fotoluminescentes de alguns compostos de coordenação de Zn(II) com N,N'-bis(salicilidenos) em soluções de THF e DMSO e em estado sólido: N,N'-bis(salicilideno)-1,2-fenilenodiamino - salofeno (KG-15) e seu composto de co

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9

Sliwa, Michel. "Spectroscopie transitoire et photo-commutation des propriétés optiques non linéaires de second ordre de cristaux photochromes d'anils, corrélation structure-propriétés." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2005. http://tel.archives-ouvertes.fr/tel-00133784.

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Une série d'anils originaux, de groupe d'espace non centrosymétrique actifs en génération de second harmonique (GSH) et photochromes à l'état cristallin, a été obtenue. Un des composés présente une GSH de 11 (vs urée), un deuxième une photo conversion de 16% sous irradiation UV et un troisième une quasi bistabilité (durée de vie de 460 j pour la forme métastable). La photo commutation réversible de la GSH peut aller jusqu'à 50%. Des études sur monocristaux orientés sous microscope confocal ont permis de corréler anisotropie de GSH et structure déterminée par diffraction de rayons X, via des ca

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10

Yang, Zhen Xing, and 楊振興. "Chiral Vanadyl Complexs Derived from N-Salicylidene and N-Salicylidane Alpha-Amino Carboxylic Acids in Asymmetric Reduction of Alpha-Hydroxyamides." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/73535271045916603046.

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碩士<br>國立清華大學<br>化學系<br>104<br>We have developed a catalytic protocol for complementary enantioselective reduction of α-ketobenzylamide with pinacolborane and catecholborane catalyzed by chiral oxidovanadium (V) methoxides complexes derived from 3,5-disubstituted-N-salicylidene α-tert-leucinate. The catalysts 1a and its reduce form 1a' (C3 = t-Bu, C5 = Br) with pinacholborane afforded upto 62% yield and 84% (R-form) enantioselectivity, at −20 °C in toluene under Argon. However, asymmetric reduction with catecholborane provides complementary enantioselectivity upto 64% (S-form) and 99% yield

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11

黃中彥. "Asymmetric Aldol Reactions Catalyzed by Chiral Vanadyl Complexes Derived from N-Salicylidene α-Amino Carboxylic Acids and N-Salicylidene Tetrazoles". Thesis, 2014. http://ndltd.ncl.edu.tw/handle/9cs6wr.

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12

林宜珊. "Asymmetric Aldol Reactions between Silyl Ketene Acetals and Isatins Catalyzed by Chiral Vanadyl Complexes derived from N-Salicylidene Tetrazoles." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/64501841022676940968.

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碩士<br>國立清華大學<br>化學系<br>100<br>The asymmetric aldol reaction of isatin derivatives have been realized by using Pd(II)-BINAP complexes as catalysts from Mikami and co-workers. A series of chiral vanadyl complexes derived from N-salicylidene amino acids and tetrazoles were developed. Their structural idendities were proven by X-ray crystallographic analysis. It was found that they can achieve complementary asymmetric catalytic aldol processes in the addition of silyl ketene acetals (SKA) to isatins at -40oC in CH2Cl2 in 66-69h. The results indicate that complementary stereoelectronic bias imposed

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13

Lian, Dai Jen, and 連黛禎. "Chiral Vanadyl Complexs Derived from N-Salicylidene Alpha-amino Carboxylic Acids and Tetrazoles in Asymmetric Reduction and Aldol Reaction." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/47442298763004226914.

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碩士<br>國立清華大學<br>化學系<br>102<br>A series of chiral oxidovanadium (V) methoxides were derived from 3,5-disubstituted-N-salicylidene α-amino carboxylic acids and tetrazoles. These complexes serve as enantioselective catalysts for asymmetric reduction and aldol reaction. We are the first group that used chiral vanadyl (V) complexes to study the asymmetric reduction. In this study, α-keto amides served as the best substrate class and methanol-modified pinacolborane served as the best reducing agent among five different reducing agents examined. With catalysts 1a (C3 = tBu, C5 = Br) and 1a’ (C3 = tBu

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14

Lai, Chien-Fu, and 賴建福. "Chiral Oxidovanadyl Complexes Derived from N-Salicylidene Alpha-Amino Carboxylic Acids in Asymmetric Reduction of Beta-Keto-Amides and -Phosphonates." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/cq5r7v.

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15

Ζαγοραίου, Ειρήνη. "Σύμπλοκες ενώσεις του κοβαλτίου(ΙΙΙ) με τριδοντικές βάσεις Schiff που προκύπτουν από τη σαλικυλική αλδεΰδη και υποκατεστημένες 2-αμινοφαινόλες". Thesis, 2012. http://hdl.handle.net/10889/6194.

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Σε αυτή την εργασία περιγράφονται οι αντιδράσεις αλάτων του κοβαλτίου(ΙΙ) [Co(O2CMe)2•4H2O, Co(ClO4)2•6H2O και Co(O2CPh)2] με την Ν-σαλικυλιδενο-4- μεθυλο-ο-αμινοφαινόλη (saphΗ2-4Me), την Ν-σαλικυλιδενο-4-χλωρο-ο-αμινοφαινόλη (saphΗ2-4Cl) και την Ν-σαλικυλιδενο-ο-αμινοφαινόλη (saphΗ2). Από τo σύστημα αντίδρασης Co(O2CMe)2•4H2O/saphΗ2-4Me/ΝaΟΗ σε διαλύτη MeOH απομονώθηκε ένα οκταεδρικό σύμπλοκο με τύπο (Η5Ο2)[CoΙΙΙ(saph-4Me)2]•H2O (1). Χρησιμοποιώντας την Εt3N ως βάση, από ένα ανάλογο σύστημα αντίδρασης, απομονώθηκε ένα οκταεδρικό σύμπλοκο με τύπο (Εt3NH)[CoΙΙΙ(saph-4Me)2]•ΜeCΟ2Η•MeOH (2). Απ

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16

Yu, Wei-Tyng, and 余韋廷. "Applications of Chiral Oxidovanadium(V) Methoxides Bearing Chiral N-Salicylidine tert-butylglycinates in Enantioselective 1,4-Conjugate Addition." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/60264346542351956359.

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碩士<br>國立清華大學<br>化學系<br>101<br>A series of chiral oxidovanadium(V) methoxides were prepared from 3-disubstituted (included methoxy, methyl, and phenyl, etc.) aromatic substituted-5-nitro-N-salicylidene L-tert-butylglycinates and vanadyl sulfate in oxygen-saturated methanol. These complexes serve as highly enantioselective catalysts for asymmetric 1,4-conjugate addition. We used benzyl 2-oxocyclopentanecarboxylate as a major Michael donor. Besides, we also used Benzyl 2-oxo-1-indanecarboxylate, which is rarely mentioned in literature, as a Michael donor. For Michael acceptor, we used methyl

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17

黃堅誠. "Applications of Chiral Oxidovanadium(V) Methoxides Bearing Chiral N-Salicylidine tert-butylglycinates in Asymmetric Aerobic Oxidation and Retro-Henry Reaction." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/00185840872781580567.

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18

林佳緯. "Applications of Chiral Oxidovanadium(V) Methoxides Bearing Chiral N-Salicylidine tert-butylglycinates in Enantioselective N-H Insertion and Transamination Reactions." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/87923660242086507084.

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19

Nadeau, Véronique. "Synthèses et caractérisations de copolymères organométalliques biodégradables et biocompatibles à base de salicylidènes pour des applications pharmaceutiques." Thèse, 2006. http://hdl.handle.net/1866/15648.

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20

沈書輔. "Applications of Chiral Oxidovanadium(V) Methoxides Bearing Chiral N-Salicylidine tert-butylglycinates in Enantioselective 1,4-Conjugate Addition and N-H Insertion Reactions." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/32150491376893148781.

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21

Laendner, Alexander. "Komplexe achtfach koordinierter Lanthanoid(III,IV)-Tetrapyrrolverbindungen mit dem vierzähnigen 2N-2O-Schiff-Base-Chelat-Liganden N-Salicyliden-N’-(2-hydroxyethyl)ethylendiamin." Phd thesis, 2004. https://tuprints.ulb.tu-darmstadt.de/463/1/dissAL.PDF.

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In dieser Arbeit wurde erstmalig eine umfassende Synthesemethode zur Darstellung von Lanthanoid-Monoporphyrinaten und Lanthanoid-Monophthalo-cyaninaten vorgestellt. Durch Metallierung der Porphyrinsysteme [5,10,15,20-Tetraphenylporphyrin; 2,3,7,8,12,13,17,18-Octaethylporphyrin; 5,10,15,20-Tetrakis(pentafluorphenyl)porphyrin] mit Lanthanoid(III)-Acetaten als Metallspender und 1,2,4-Trichlorbenzol als Lösungsmittel bilden sich jeweils über OH- und Lösungsmittel-Molekuele verbrückte dimere Monoporphyrinate aus. Diese Aggregation zu dimeren Strukturen ist von der Konzentration der Porphyrinat-Lösu

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22

Ländner, Alexander [Verfasser]. "Komplexe achtfach koordinierter Lanthanoid(III,IV)-Tetrapyrrolverbindungen mit dem vierzähnigen 2N-2O-Schiff-Base-Chelat-Liganden N-Salicyliden-N'-(2-hydroxyethyl)ethylendiamin / vorgelegt von Alexander Ländner." 2004. http://d-nb.info/971845492/34.

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23

Salunke, Santosh, та 史南卡. "1. Design and Synthesis of Histone Deacetylase Inhibitors for Lung and Breast Cancer. 2. Asymmetric Aerobic Oxidation of α-Hydroxy Acid Derivatives Catalyzed by Reusable, Polystyrene Supported Chiral N-Salicylidine Oxidovanadium tert-Leucinates". Thesis, 2010. http://ndltd.ncl.edu.tw/handle/32110335316999286935.

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博士<br>國立臺灣師範大學<br>化學系<br>99<br>We have developed short protocol for the preparation of compounds having histone deacetylase inhibition activities, as shown in chapter 1. Among these compounds, OSU-HDAC-44, displayed promising antitumor activities in non small lung cancer cell (NSCLC) and xenograft models. This compound not only repressed cell viability but also induced apoptosis in various NSCLC cell lines with 3-4 times greater potency than SAHA (known anticancer drug). In addition, submicromolar concentration of OSU-HDAC-44 exhibited prominently synergistic effects in combination with cispla

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