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Relevant bibliographies by topics / Phenylazo

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Academic literature on the topic 'Phenylazo'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Phenylazo"

1

Nishizawa, Kaori, Takeshi Miki, Kazuyuki Suzuki, Kiyotaka Tanaka, and Kazumi Kato. "Effects of Hydrolysis on Photochromic ZrO₂ Precursor Solutions." Key Engineering Materials 301 (January 2006): 87–90. http://dx.doi.org/10.4028/www.scientific.net/kem.301.87.

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The UV-Vis absorption spectrum of ZrO2 precursor solution containing 4-(phenylazo)benzoic acid (C6H5N=NC6H4COOH) reversibly changed accompanied with reversible change of the spectrum of 4-(phenylazo)benzoic acid by light irradiation. However, the spectrum of ZrO2 precursor solution containing azobenzene (C6H5N=NC6H5) did not change accompanied with reversible change of azobenzene by light irradiation. Furthermore, the back reaction of ZrO2 precursor solution containing 4-(phenylazo)benzoic acid by visible light irradiation was suppressed even if the back reaction of 4-(phenylazo)benzoic acid h

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Nishizawa, Kaori, Haruhiko Fukaya, Takeshi Miki, Kazuyuki Suzuki, and Kazumi Kato. "Synthesis of a New Photochromic ZrO₂ Precursor for Preparation of Functional Thin Films." Key Engineering Materials 320 (September 2006): 175–78. http://dx.doi.org/10.4028/www.scientific.net/kem.320.175.

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A new photochromic ZrO2 precursor solution was prepared using zirconium tetra-n-butoxide, 4-(phenylazo)benzoic acid and ethyleneglycol monomethylether. The ZrO2 precursor solution was irradiated with ultraviolet light (UV) at room temperature. After that, UV-irradiated precursor solution was irradiated with visible light (Vis) at room temperature. UV-Vis spectra were measured before irradiation, after UV irradiation and Vis irradiation. Changes of UV-Vis spectra indicated that the new ZrO2 precursor including 4-(phenylazo)benzoic acid shows photochromism. The phenomena have synchronized with r

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Gokhale, Nikhil, Subhash Padhye, Chris Newton, and Robin Pritchard. "Hydroxynaphthoquinone Metal Complexes as Antitumor Agents X: Synthesis, Structure, Spectroscopy and In Vitro Antitumor Activity of 3-Methyl-Phenylazo Lawsone Derivatives and Their Metal Complexes Against Human Breast Cancer Cell Line MCF-7." Metal-Based Drugs 7, no. 3 (2000): 121–28. http://dx.doi.org/10.1155/mbd.2000.121.

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The C-3 substituted phenylazo derivatives of lawsone (2-hydroxy-l,4 p-naphthoquinone, III) were synthesized and characterized. The X-ray crystal structure was determined for the ligand 3-(3′-methyl phenylazo) lawsone. The copper complexes of these derivatives were found to possess 1:2 metal stoichiometry and square planar geometries with intermolecular stackings, resulting in antiferromagnetic exchange interactions. The in vitro activity of all the synthesized compounds was examined against human breast cancer cell-line, MCF-7, which revealed enhanced activities for the metal complexes, the hi

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Kınalı Demirci, Selin. "Synthesis and Characterization of Bisindandione Derivative Azo Dye, Experimental and Theoretical Investigation of Its Tautomeric Properties." Celal Bayar Üniversitesi Fen Bilimleri Dergisi 16, no. 1 (2020): 61–67. https://doi.org/10.18466/cbayarfbe.659611.

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In this study, the synthesis, characterization, and tautomeric properties of 2,2'-bis(phenylazo)-5,5'-biindane-1,1',3,3'-tetrone, a new bisindandione derivative, were investigated. 2,2'-Bis(phenylazo)-5,5'-biindane-1,1',3,3'-tetrone was obtained after the diazo coupling reactions between [5,5'-biindane]-1,1',3,3'-tetrone and aniline, and characterized by FT-IR, 1H NMR and MS. The structural and spectroscopic analyses of azo dye were examined using Density Function Theory and vibration frequencies calculated with the optimized structure were compared with experimental data. The obtained data sh

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Stiborová, Marie, Heinz H. Schmeiser, Andrea Breuer, and Eva Frei. "32P-Postlabelling Analysis of DNA Adducts with 1-(Phenylazo)-2-naphthol (Sudan I, Solvent Yellow 14) Formed in vivo in Fisher 344 Rats." Collection of Czechoslovak Chemical Communications 64, no. 8 (1999): 1335–47. http://dx.doi.org/10.1135/cccc19991335.

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We report the analysis of DNA adducts with 1-(phenylazo)-2-naphthol in the liver and urinary bladder of Fisher 344 rats treated orally with this dye. DNA adducts were detected and quantitated using the nuclease P1-enhanced version of the 32P-postlabelling assay. Two variations of multidirectional chromatographic systems were used to resolve either bulky and/or smaller (polar) 32P-labelled adducts by TLC. In the present study, a double oral administration of the dye (500 mg/kg) for one day yielded negative results in 32P-postlabelling assay of liver DNA (24 h after dosing). However, three DNA a

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Schantl, Joachim G., and Paul Hebeisen. "1-phenylazo-1-alkenes." Tetrahedron 46, no. 2 (1990): 395–406. http://dx.doi.org/10.1016/s0040-4020(01)85424-7.

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Hellwinkel, Dieter, and Helmut Fritsch. "Phenylazo-substituierte Triphenylmethylium-Systeme." Chemische Berichte 123, no. 11 (1990): 2207–26. http://dx.doi.org/10.1002/cber.19901231120.

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Schwenk, P., and A. Barth. "Über Aminosäure-(phenylazo)-phenyl-Derivate; Hemmung der enzymatischen Hydrolyse von L-Alanin-4-(phenylazo)-phenylamid durch D-Alanin-4-(phenylazo)-phenylamid." Zeitschrift für Chemie 7, no. 3 (2010): 103–4. http://dx.doi.org/10.1002/zfch.19670070306.

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Purwono, Bambang, Chairil Anwar, and Ahmad Hanapi. "Syntheses of Azo-Imine Derivatives from Vanillin as an Acid Base Indicator." Indonesian Journal of Chemistry 13, no. 1 (2013): 1–6. http://dx.doi.org/10.22146/ijc.21318.

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Preparations of azo, imine and azo-imine derivatives from vanillin as an indicator of acid-base titration have been carried out. The azo derivative of 4-hydroxy-3-methoxy-5-(phenylazo)benzaldehyde 2 was produced by diazotitation reaction of vanillin in 37.04% yield. The azo product was then refluxed with aniline in ethanol to yield azo-imine derivatives, 2-methoxy-6-(phenylazo)-4-((phenylimino)methyl)phenol 1 in 82.21% yield. The imine derivative, 2-methoxy-4-((phenylimino)methyl)-phenol 3 was obtained by refluxing of vanillin and aniline mixture in ethanol solvent and produced 82.17% yield. T

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Wang, Li Xian, Chun Ying Guo, Guo Liang Pan, and Qiang Guo. "Synthesis of Phenylazo-N,N-diphenylpropanediamide." Advanced Materials Research 396-398 (November 2011): 3–7. http://dx.doi.org/10.4028/www.scientific.net/amr.396-398.3.

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This study deals with the synthesis of phenylazo-N,N-diphenylpropanediamide which is a kind of excellent pigment. During the preparation, intermediate product, N,N-diphenylpropanediamide is first synthesized through the substitution reaction of malonic acid diethyl ester and substituted aniline. Then, final product, phenylazo-N,N-diphenylpropanediamide can be obtained by coupling reaction of N,N-diphenylpropanediamide and phenyl substituted diazonium salt. The final product has been analyzed by UV, MS and HNMR, respectively, to determine the composition and structure. In addition, the effects

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Dissertations / Theses on the topic "Phenylazo"

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Al-Dawoodi, M. T. S. "The synthesis and properties of some 4'-phenylazo 4-aminoazobenzenes." Thesis, University of Bradford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371465.

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Fu, Jinlong. "Thermal cis-to-trans isomerization mechanism of N-(phenylazo)-substituted nitrogen heterocycles." Thesis, 2008. http://hdl.handle.net/10012/4134.

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Triazenes, compounds containing a diazoamino moiety (–N(1)=N(2)–N(3)<), are known for their reversible cis-trans isomerization character and hence, have the potential to be used in photoswitchable devices and photostorage media. However, little is known about their cis-trans isomerization mechanism. In this thesis, kinetic studies on the thermal cis-to-trans isomerization of N-(phenylazo)-substituted nitrogen heterocycles are presented. It is shown that the isomerization rate constant increases as the size and electron-donating character of the cyclic amine increases, as the electron-withdrawi

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Wu, Mine-Fong, та 吳旻峰. "Investigating the effects of phenylazo benzenesulfonamides on the structure related neurotoxicity of Aβ1-42". Thesis, 2008. http://ndltd.ncl.edu.tw/handle/10182421912193386390.

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碩士<br>國立陽明大學<br>生物藥學研究所<br>96<br>Alzheimer’s disease is the most common neuron degenerative disease with more than 20 million cases world wide. This disease is caused by misfolding and aggregation of a small peptide amyloid-��. In our study, we prepared Abeta1-42 fibrils and oligomers by artificially synthesized Abeta1-42 peptide in vitro. The structure and maturation processes were analyzed by atomic force microscopy. We found that Abeta1-42 oligomer was stacked into doughnut-like or globular structure, and Abeta1-42 fibril underwent a progressive maturation processe by self-twisting. The tox

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Biswal, Chitta Ranjan, and Madhabi Seth. "Effect of solvent in azo-hydrazone tautomerism of 1 phenylazo-2-naphthol (Sudan I)." Thesis, 2012. http://ethesis.nitrkl.ac.in/3079/1/ethesis_2.pdf.

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The increasing usage of azoic dyes in textile, food, paper printing and cosmetic industries, in electronic industry, such as colorimetric sensors, nonlinear optical (NLO) devices and liquid crystalline displays (LCDs) has attracted much attention in the study of synthesis and properties of different azo dyes. The azodyes with atleast one protic group in conjugation with azo linkage shows azo-hydrazone tautomerism. The importance and various applications of azo dyes promted us to study the solvent effect of 1-phenylazo-2-naphthol (Sudan I) in neat and binary mixture of solvents. Sudan I was

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Mitra, Koushambi. "Platinum(II) Complexes as Dual Action DNA Crosslinking & Photochemotherapeutic Agents." Thesis, 2016. http://etd.iisc.ac.in/handle/2005/2874.

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The thesis work delineates the rational design and successful syntheses of platinum (II) complexes for achieving light promoted dual action anticancer properties. The research work focuses on the syntheses, elaborate characterization including crystallization and mechanistic aspects of photodegradation processes. Theoretical studies were done to elucidate the properties of the excited states. The interaction of active Pt (II) species with DNA is also explored. The cellular studies include evaluation of the photo-induced cytotoxicities, mode of cell death, nature of reactive oxygen species (ROS

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Mitra, Koushambi. "Platinum(II) Complexes as Dual Action DNA Crosslinking & Photochemotherapeutic Agents." Thesis, 2016. http://etd.iisc.ernet.in/handle/2005/2874.

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The thesis work delineates the rational design and successful syntheses of platinum (II) complexes for achieving light promoted dual action anticancer properties. The research work focuses on the syntheses, elaborate characterization including crystallization and mechanistic aspects of photodegradation processes. Theoretical studies were done to elucidate the properties of the excited states. The interaction of active Pt (II) species with DNA is also explored. The cellular studies include evaluation of the photo-induced cytotoxicities, mode of cell death, nature of reactive oxygen species (ROS

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Ho, I.-Ting, та 何怡婷. "Syntheses of Calix[4]arenes with Upper-rim Phenylazos or Lower-rim β-Amino-α,β-unsaturated Ketones and Their Metal Ion Sensing Studies". Thesis, 2010. http://ndltd.ncl.edu.tw/handle/42670161860314994672.

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博士<br>國立交通大學<br>應用化學研究所<br>98<br>In this thesis, we investigated the binding abilities of calix[4]arenes substituted with upper-rim azophenyl groups or lower-rimbeta-amino-alpha,beta-unsaturated ketones toward metal ions. In chapter 1, we described the synthesis of a series of upper-rim p-allyl- and p-phenylazo substituted calix[4]arenes 43, 44, 45a-b and 46a-b. We expected that these ligands might show some specific stereoselectivity toward Hg2+ ion. The results showed that the binding abilities of calix[4]arenes toward Hg2+ followed the order: Ka (42a) > Ka (42b) > Ka (43) > Ka (44) > Ka (45

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Books on the topic "Phenylazo"

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Al-Dawoodi, Mazin Taha Sharif. The synthesis and propertics of some 4'-phenylazo 4-aminoazobenzenes: The synthesis of disazo dispersedyes from 4'-phenylazo-4-aminoazobenzene and an evaluation of substituent effects on the colour, dyeing and fastness properties of the dyes on synthetic-polymer fibres. 1985.

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Book chapters on the topic "Phenylazo"

1

Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) complex with phenylazo-6-aminouracil." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 4. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62474-6_360.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) complex with phenylazo-6-aminouracil." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 4. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62474-6_361.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of cobalt(II) complex of 4-(sulfonylazido)phenylazo-pyrazolone." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_502.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of cobalt(II) complex of 4-(sulfonylazido)phenylazo-pyrazolone." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_503.

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Pilgram, Kurt H., Willy D. Kollmeyer, Richard D. Skiles, and Larry E. Wittsell. "Synthesis and Herbicidal Properties ofN-(Benzylideneamino),N-(Benzylamino), andN-(Phenylazo) Heterocycles." In ACS Symposium Series. American Chemical Society, 1987. http://dx.doi.org/10.1021/bk-1987-0355.ch004.

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Pardasani, R. T., and P. Pardasani. "Molar magnetic moment of cobalt(II) complex with 5-(phenylazo)-6-aminouracil." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 2. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62466-1_417.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of nickel(II) acetato complex with 5-(phenylazo)-2-thiohydantoin." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 3. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62470-8_21.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) acetato complex with 5-(phenylazo)-2-thiohydantoin." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 4. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62474-6_72.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of dicopper(II) chloro complex with 5-(phenylazo)-2-thiohydantoin." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 4. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62474-6_196.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of nickel(II) acetato complex with 5-(2-hydroxy-phenylazo)-2-thiohydantoin." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 3. Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62470-8_22.

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Conference papers on the topic "Phenylazo"

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Essaidi, Z., E. M. Ungureanu, A. Meghea, et al. "Third Order Nonlinear Optical Properties of Phenylazo-Azulene Derivatives Investigated by DFWM Technique." In 2nd International Conference on Transparent Optical Networks "Mediterranean Winter" 2008. ICTON-MW'08. IEEE, 2008. http://dx.doi.org/10.1109/ictonmw.2008.4773095.

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Alia, S., Marcin Palusiakc, Liudmil Antonovd, and Walter Fabiana. "Substituent and Solvent Effects on the Tautomerism of 1-Phenylazo-2-Naphthol: A Computational Study." In The 12th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2008. http://dx.doi.org/10.3390/ecsoc-12-01272.

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Mayo, Michael W., William P. Roach, Craig M. Bramlette, and M. D. Gavornik. "Nonlinear transmittance through laser protection barrier: reverse photosaturation of 1-phenylazo 2-napthalenol in polymer host." In OE/LASE'93: Optics, Electro-Optics, & Laser Applications in Science& Engineering, edited by Gregory J. Quarles and Milton A. Woodall II. SPIE, 1993. http://dx.doi.org/10.1117/12.146892.

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