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Relevant bibliographies by topics / Arylazo

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Academic literature on the topic 'Arylazo'

Author: Grafiati

Published: 18 May 2024

Last updated: 31 July 2025

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Journal articles on the topic "Arylazo"

1

Luk'yanov, O. A., T. G. Mel'nikova, and Yu A. Strelenko. "Arylazo- and arylazoxy-N-nitroformamidines." Bulletin of the Academy of Sciences of the USSR Division of Chemical Science 40, no. 5 (1991): 997–1002. http://dx.doi.org/10.1007/bf00961362.

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LUK'YANOV, O. A., T. G. MEL'NIKOVA, and YU A. STRELENKO. "ChemInform Abstract: Arylazo- and Arylazoxy-N-nitroformamidines." ChemInform 23, no. 50 (2010): no. http://dx.doi.org/10.1002/chin.199250140.

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3

HIMATKUMAR, V. PATEL, and S. FERNANDES P. "A Novel Synthesis of 2-Amino-4-5-disubstituted-thiazole and 2-Amino-5-hydro-4-arylazo-6-arylthiazolo[5,4-c ]- pyridazin-5-ones and their Biological Properties." Journal of Indian Chemical Society Vol. 66, May 1989 (1989): 327–29. https://doi.org/10.5281/zenodo.5995551.

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N. S. R. Laboratory, Department of Chemistry. St. Xavier's College, Bombay-400 001 <em>Manuscript received 22 September 1988, revised 7 December 1988. accepted 21 February 1989</em> Ethyl -\(\gamma\)-bromo-\(\propto\)-arylazoacetoacetates (1) were reacted with thiourea in DMF to give the correspondiag ethyl 2-amino-\(\propto\)-arylazo-4-thiazolylacetates (2). which when coupled with arene diazonium chloride in presence of sodium acetate, gave the corresponding ethyl 2·amino-\(\propto\)-arylazo-5-(arylazo)-4-thiazolylacetates (3-5). The thiazoles (3-5) when cyclised in pres

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4

Mohd., Amir, Alam Khan Shah, and Drabu S. "Synthesis and antibacterial activity of 4-arylazo-1-substituted- 3,5-diphenylpyrazoles." Journal of Indian Chemical Society Vol.79, Mar 2002 (2002): 280–81. https://doi.org/10.5281/zenodo.5849647.

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Department of Pharmaceutical Chemistry, Hamdard University, Hamdard Nagar, New Delhi-11 0 062 <em>E-mail</em> : amirs@vsnl.net <em>Manuscript received 27 April 200/, revised 30 July 2001, accepted 17 August 2001</em> Various 4-arylazo-1-(2-acetonaphthyl)-3,5-diphenyl pyrazoles (2a-g), 4-arylazo-1-isonicotinyl-3,5-diphenyl pyrazoles (3a-g) and 4-arylazo-1-thiocarbamoyl-3,5-diphenylpyrazoles (4a-g) have been synthesized and evaluated for their antibacterial activity. The compounds show significant antibacterial activity.

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Dushenko, G. A., I. E. Mikhailov, and V. I. Minkin. "Circumambulatory migrations of arylazo groups in the systems of pentamethoxycarbonyland pentamethylcyclopentadiene." Журнал органической химии 59, no. 9 (2023): 1193–208. http://dx.doi.org/10.31857/s0514749223090094.

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According to quantum chemical calculations CAM-B3LYP/6-311++G(d,p) intramolecular migrations of arylazo groups in 5-arylazo-1,2,3,4,5-pentamethoxycarbonylcyclopentadienes occur by a dissociative mechanism through the intermediate formation of tight ionic pairs with low energy barriers: Δ E ≠ZPE, benzonitrile, 14.0 (Ar = C6H4NO2-4) and 16.5 [Ar = C6H3(NO2)2-2,4] kcal/mol. In 5-arylazo-1,2,3,4,5-pentamethylcyclopentadienes, 1,5-sigmatropic shifts of arylazo groups occur along the perimeter of the five-membered ring in conformers with the exo position of the azo group relative to the cyclopentadi

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6

Mijin, Dusan, Gordana Uscumlic, Natasa Valentic, and Aleksandar Marinkovic. "Synthesis of azo pyridone dyes." Chemical Industry 65, no. 5 (2011): 517–32. http://dx.doi.org/10.2298/hemind110428037m.

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Over 50% of all colorants which are used nowdays are azo dyes and pigments, and among them arylazo pyridone dyes (and pigments) have became of interest in last several decades due to the high molar extinction coefficient, and the medium to high light and wet fastness properties. They find application generally as disperse dyes. The importance of disperse dyes increased in the 1970s and 1980s due to the use of polyester and nylon as the main synthetic fibers. Also, disperse dyes were used rapidly since 1970 in inks for the heat-transfer printing of polyester. The main synthetic route for the pr

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7

Heindl, Andreas H., and Hermann A. Wegner. "Starazo triple switches – synthesis of unsymmetrical 1,3,5-tris(arylazo)benzenes." Beilstein Journal of Organic Chemistry 16 (January 3, 2020): 22–31. http://dx.doi.org/10.3762/bjoc.16.4.

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Multistate switches allow to drastically increase the information storage capacity and complexity of smart materials. In this context, unsymmetrical 1,3,5-tris(arylazo)benzenes – ‘starazos’ – which merge three photoswitches on one benzene ring, were successfully prepared. Two different synthetic strategies, one based on Baeyer–Mills reactions and the other based on Pd-catalyzed coupling reactions of arylhydrazides and aryl halides, followed by oxidation, were investigated. The Pd-catalyzed route efficiently led to the target compounds, unsymmetrical tris(arylazo)benzenes. These triple switches

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8

DUSHENKO, G. A., I. E. MIKHAILOV, R. V. SKACHKOV, A. A. KLENKIN, L. N. DIVAEVA, and V. I. MINKIN. "ChemInform Abstract: Stable 5-Arylazo-1,2,3,4,5-pentamethoxycarbonylcyclopentadienes - Effective Arylazo Group Transmitter." ChemInform 26, no. 28 (2010): no. http://dx.doi.org/10.1002/chin.199528084.

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9

Elnagdi, Mohamed Hilmy, Nadia Hassen Taha, Fatma Abdel Maksoud Abd El All, Ramadan Maawad Abdel-Motaleb, and Fivian Farouk Mahmoud. "Studies on condensed pyrazoles: Synthesis of new methyl and amino pyrazolo[1,5-a]pyrimidines and of pyrazolo[5,1-c][1,2,4]triazines." Collection of Czechoslovak Chemical Communications 54, no. 4 (1989): 1082–91. http://dx.doi.org/10.1135/cccc19891082.

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A variety of 3-arylazo 5-amino and 7-aminopyrazolo[1,5-a]pyrimidines were obtained via reacting Ia-Id with cinnamonitriles. The structure of products was confirmed via 1H NMR. Both 5-amino- and 7-amino-3-arylazo pyrazolo[1,5-a]pyrimidines reacted, with protons in acetic acid-sulphuric acid mixture to yield the corresponding 3-unsubstituted acetylaminopyrazolo[1,5-a]pyrimidines. Diazotized Ia and Ib coupled with a variety of active methylene reagents to yield pyrazolo[5,1-c][1,2,4]triazines.

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10

Al-Azmi, Amal, and Elizabeth John. "Synthesis of 4-arylazo-2-(N-pyrazolylcarboxamido)thiophene disperse dyes for dyeing of polyester and their antibacterial evaluation." Textile Research Journal 90, no. 23-24 (2020): 2795–805. http://dx.doi.org/10.1177/0040517520931476.

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The current article aims to synthesize some new arylazo-thiophenes for dyeing polyester fabrics and screen their antimicrobial activities. The new 4-arylazo-2-( N-pyrazolylcarboxamido)-thiophene dyes 4a–e were prepared by the reaction of 2-acetyl-2-arylazo-thioacetanilide derivative 1 with 2-chloro- N-(3-methyl-1 H-pyrazol-5-yl)acetamide derivative 2. The structures of these prepared analogues were established via Fourier-transform infrared and 1H/13C nuclear magnetic resonance spectra. The synthesized dyestuffs were applied to polyester fabrics after establishing the optimal dyeing conditions

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Dissertations / Theses on the topic "Arylazo"

1

Chatterjee, Debesh Kumar. "Arylazo phenoxy derivatives of organotin compounds." Thesis, University of North Bengal, 1990. http://hdl.handle.net/123456789/757.

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2

Lambert, James M. "Synthesis and basic characteristics of segmented poly(arylene ether sulfone)-poly(arylate) copolymers." Diss., This resource online, 1986. http://scholar.lib.vt.edu/theses/available/etd-07282008-135252/.

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3

Leblanc, Jean-Pierre. "Synthese et caracterisation de polycondensats renfermant des motifs stilbeniques." Paris 6, 1988. http://www.theses.fr/1988PA066350.

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Polycondensation de l'acide trans stilbenedicarboxylique-4,4' (soa) avec des alpha ,omega -diamino alcanes et des alpha ,omega -diamino oligoethers. Etude de l'incorporation du soa dans des copolyarylates comme le poly(isophtalate de methyl phenylene) en vue d'obtenir des polymeres cristaux liquides, et des polyesters obtenus a partir d'autres monomeres (acide terephtalique). Amelioration des proprietes mecaniques des polycondensats par incorporation d'unites stilbeniques et d'acide p-acetoxybenzoique

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4

Peng, Hsiao-Hua, and 彭筱華. "Upper Rim Arylazo-Coupled Calix[4]arenes Modified with Oxyacetonitrile, Ester or Tetrazole Groups as Highly Sensitive Chromogenic Sensors for Metal Ions." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/67664146977962231016.

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碩士<br>國立交通大學<br>應用化學研究所<br>98<br>First of all, 4-(4-methoxyphenyl)azo-coupled calix[4]arenes 34 and 36 were synthesized. UV-vis screening of calix[4]arenes 34 (with ester and oxyacetonitrile) and 36 (with oxypropyl and oxyacetonitrile) with 15 metal ions showed that both of them gave rise to color changes toward Cr3+ ion, and 34 exhibited good binding ability to Ca2+. According to NOE, Job plot and NMR titration experiments, we proposed that 34 chelated Ca2+ with the helps of both oxyacetonitrile and ester groups, and it moved form flattened cone toward cone conformation upon complexation with

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5

Loukotová, Lenka. "Přímá arylace a její využití při přípravě supramolekulárních polymerů." Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-333238.

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This thesis is divided into two parts. In the first part there is reported palladium- catalysed regioselective direct arylation of benzofurans with arylsulfonyl chlorides as the coupling partner to C2 carbon. The best reaction conditions of this reaction were investigated, then the influence of various arylsulfonyl chloride substituents to the reaction and finally it is reported direct arylation of C2-arylated benzofuran to C3 carbon to give diarylated benzofuran with different aryl substituents. In the second part, there is reported the synthesis of 2-(hydroxymethyl)-5,7-bis{5- [(2,2':6',2''-

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6

Llempén, Coronel Humberto. "1 - Arylo - 4 - Nitroimidazole z 1,4 - Dinitroimidazoli." Rozprawa doktorska, 1991. https://repolis.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=3421.

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Llempén, Coronel Humberto. "1 - Arylo - 4 - Nitroimidazole z 1,4 - Dinitroimidazoli." Rozprawa doktorska, 1991. https://delibra.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=3421.

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8

LIN, YI-CANG, and 林怡蒼. "Study on The Tautomerization of 1-Aryldiazo-2-naphthalenol Derivatives by Using The Spectroscopic Technique." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/85644351672906327063.

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博士<br>靜宜大學<br>應用化學系<br>104<br>The substituent effect on azo-hydrazone tautomerization of 1-aryldiazo-2-naphthalenol is studied by means of NMR and MS analysis. Among the 13C chemical shifts, the C(2) of this series compound is the most sensitive to the variation in the nature of substituent on the phenyl ring. Therefore, the variation in the chemical shifts of C(2) is used to probe the substituent effect by using the substituent chemical shifts and free energy vs. Hammett’s constant (σ+). Both methods give a negative correlation slope, which are ρ=-8.74 and ρ=-1.38 , indicating the electron-wi

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Books on the topic "Arylazo"

1

C, Bradley D., ed. Alkoxo and aryloxo derivatives of metals. Academic Press, 2001.

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2

Berlin, Freie Universität, ed. 3-Amino- und 3-Arylazo- 1,2,4-oxadiazol-5-one als neue NO-Donatoren. 1996.

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3

Alkoxo and Aryloxo Derivatives of Metals. Elsevier, 2001. http://dx.doi.org/10.1016/b978-0-12-124140-7.x5000-2.

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4

Mehrotra, R. C., Ian Rothwell, A. Singh, and Don Bradley. Alkoxo and Aryloxo Derivatives of Metals. Academic Press, 2001.

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5

Mehrotra, R. C., Ian Rothwell, A. Singh, and Don Bradley. Alkoxo and Aryloxo Derivatives of Metals. Academic Press, 2001.

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6

Rothwell, Ian, A. Singh, Don Bradley, and R. C. Mehrotra. Alkoxo and Aryloxo Derivatives of Metals. Elsevier Science & Technology Books, 2001.

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7

Smith, M. J. The Staff of Water: A part of the Aryla's chosen series. AuthorHouse, 2006.

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Book chapters on the topic "Arylazo"

1

Wood, William W., Andrew C. G. Gray, and Thomas W. Naisby. "Arylazo- and Arylazoxy-Oximes as Fungicides." In ACS Symposium Series. American Chemical Society, 1998. http://dx.doi.org/10.1021/bk-1998-0686.ch028.

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2

Emandi, A., M. Calinescu, S. Ioachim, R. Georgescu, and I. Serban. "Synthesis and Characterization of the 2:1 Copper(II) Complexes With 4-Arylazo-Pyrazol-5-One Derivatives." In Multiphoton and Light Driven Multielectron Processes in Organics: New Phenomena, Materials and Applications. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4056-0_36.

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3

Pardasani, R. T., and P. Pardasani. "Magnetic properties of iron(III) complex with 8-arylazo-6-formyl-7-hydroxy-5-methoxy-2-methylchromone." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54231-6_173.

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4

Pardasani, R. T., and P. Pardasani. "Magnetic properties of iron(III) chelate with 8-arylazo-6-formyl-7-hydroxy-5-methoxy-2-methylchromone." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54231-6_174.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) chelate with 8-arylazo-6-formyl-7-hydroxy-5-methoxy-2-methylchromone." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54237-8_153.

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6

Pardasani, R. T., and P. Pardasani. "Magnetic properties of dinuclear copper(II) complex with 8-arylazo-6-formyl-7-hydroxy-5-methoxy-2-methylchromone." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54237-8_483.

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7

Low, William, James Kang, Micheal DiGruccio, Dean Kirby, Marilyn Perrin, and Wolfgang H. Fischer. "MALDI-MS Analysis of Peptides Modified with Photolabile Arylazido Groups." In Methods in Proteome and Protein Analysis. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-08722-0_17.

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8

Guillory, Richard John. "Interaction of Arylazido-β-Alanyl ATPa with the ATPase Enzyme of Rhodospirillum Rubrum Chromatophores." In Molecular Structure, Function, and Assembly of the ATP Synthases. Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-0593-4_23.

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9

Kikelj, D., and U. Urleb. "Introduction of Arylazo Groups." In Five-Membered Hetarenes with One Chalcogen and One Additional Heteroatom. Georg Thieme Verlag KG, 2002. http://dx.doi.org/10.1055/sos-sd-011-00955.

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10

Koutentis, P. A., and H. A. Ioannidou. "Introduction of Arylazo Groups." In Science of Synthesis Knowledge Updates KU 2011/1. Georg Thieme Verlag KG, 2010. http://dx.doi.org/10.1055/sos-sd-111-00249.

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Conference papers on the topic "Arylazo"

1

Abd-El-Nour, K. N. "Dielectric behaviour of some arylazo benzothiazine derivatives in relation to its microbial activity." In Seventh International Conference on Dielectric Materials, Measurements and Applications. IEE, 1996. http://dx.doi.org/10.1049/cp:19961035.

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2

Agafonova, N. A., N. A. Elkina, E. V. Shchegolkov, Ya V. Burgart, and V. I. Saloutin. "Synthesis of 4-amino-3-trifluoromethylpyrazoles by the reduction of nitroso- and arylazo-substituted precursors." In X ИНФОРМАЦИОННАЯ ШКОЛА МОЛОДОГО УЧЕНОГО Екатеринбург, 19-22сентября 2022 г. ООО "Издательство УМЦ УПИ", 2022. http://dx.doi.org/10.32460/ishmu-2022-10-0010.

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Tadić, Julijana D., Jelena M. Lađarević, Maja D. Marković, Aleksandra M. Ivanovska, Mirjana M. Kostić, and Dušan Ž. Mijin. "A NOVEL AZO-AZOMETHINE DYE: SYNTHESIS, DYEING AND ANTIOXIDANT PROPERTIES." In 1st INTERNATIONAL Conference on Chemo and BioInformatics. Institute for Information Technologies, University of Kragujevac, 2021. http://dx.doi.org/10.46793/iccbi21.379t.

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Schiff bases, or azomethine compounds, are commonly employed in the fields of organic synthesis, metal complexes, materials, and engineering. Especially, they have gained importance in medicinal researches, considering their antimicrobial, anticancer, anti- inflammatory, and antioxidant properties. On the other side, azo dyes are the most significant group of synthetic dyes, utilized in textile fiber dyeing. Conjugation of Schiff bases with azo compounds leads to the class of azo-azomethine dyes, which have numerous applications related to their coloration and biological properties. Viscose is

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4

Mašulović, Aleksandra, Anita Lazić, Ivana Đorđević, et al. "Assessing the pharmacological potential of synthetic colorants with pyridone core." In 37th International Congress on Process Industry. SMEITS, 2024. http://dx.doi.org/10.24094/ptk.024.299.

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Azo dyes are known as structurally diverse class of organic compounds bearing one or more azo groups (–N=N–) as a bridge between organic residues of which at least one is an aromatic moiety. This group of synthetic dyes is obtained easily by the reaction of diazo coupling with high yield. The importance of azo dyes is reflected in the fact that they account for 60 % of the total number of the dye structures known to be manufactured and used in the coloration of textiles, leather, plastics and cosmetics. Aside from their traditional usage, azo dyes are known for their therapeutic properties and

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