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Статті в журналах з теми "Azo compounds"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 25 липня 2025

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1

Beck, Karin, Harald Burghard, Gabriele Fischer, Siegfried Hünig, and Petra Reinold. "Azo Cope Rearrangements of Nonstabilized Azo Compounds." Angewandte Chemie International Edition in English 26, no. 7 (1987): 672–73. http://dx.doi.org/10.1002/anie.198706721.

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2

Matsui, Masaki, Shigeo Kawamura, Katusoyoshi Shibata, et al. "Perfluoroalkylation of azo compounds." Journal of Fluorine Chemistry 57, no. 1-3 (1992): 209–17. http://dx.doi.org/10.1016/s0022-1139(00)82833-x.

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3

Kempa, S., L. Wallach, and K. Rueck-Braun. "ChemInform Abstract: Aliphatic Azo Compounds." ChemInform 43, no. 36 (2012): no. http://dx.doi.org/10.1002/chin.201236234.

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4

Jamain, Zuhair, Melati Khairuddean, and Tay Guan-Seng. "Synthesis of New Star-Shaped Liquid Crystalline Cyclotriphosphazene Derivatives with Fire Retardancy Bearing Amide-Azo and Azo-Azo Linking Units." International Journal of Molecular Sciences 21, no. 12 (2020): 4267. http://dx.doi.org/10.3390/ijms21124267.

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Анотація:

Two series of new hexasubstituted cyclotriphosphazene derivatives were successfully synthesized and characterized. These derivatives are differentiated by two types of linking units in the molecules such as amide-azo (6a–j) and azo-azo (8a–j). The homologues of the same series contain different terminal substituents such as heptyl, nonyl, decyl, dodecyl, tetradecyl, hydroxyl, carboxyl, chloro, nitro, and amino groups. All the intermediates and final compounds were characterized using Fourier transform infrared spectroscopy (FT-IR), nuclear magnetic resonance spectroscopy (NMR), and Carbon, Hyd

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5

Al-Majdi, Zainab Radhi, Wedad Hamad Al-Dahhan, Mehdi Salih Shihab, and Mehdi Honarvar Nazari. "Azo Compounds and their Potential Applications: Article Review." Al-Kitab Journal for Pure Sciences 9, no. 01 (2025): 144–63. https://doi.org/10.32441/kjps.09.01.p10.

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Анотація:

A review of the existing body of literature about azo compounds and their practical applications. Azo compounds, which include a (-N=N-) group, serve as the fundamental structure for several produced compounds in different fields of chemistry, particularly coordination chemistry. These compounds are extensively utilized as coloring agents, as they account for around fifty percent of synthetic colors. Azo compounds are a significant class of chemicals with different applications in various fields of life. Due to the wide variety of their applications, it is essential to possess different synthe

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6

Cheon, Kap-Soo, Peter M. Kazmaier, Sam-Rok Keum, Kuk-Tae Park, and Erwin Buncel. "Azo-functionalized dendrimers." Canadian Journal of Chemistry 82, no. 4 (2004): 551–66. http://dx.doi.org/10.1139/v04-009.

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Анотація:

We report the synthesis of azo-functionalized Starburst polyamidoamine (PAMAM) dendrimers. The following three systems of azo-functionalized PAMAM dendrimers were prepared by different synthetic routes: (i) phenylazo derivatives; (ii) naphthalimide azo derivatives; and (iii) phthalimide azo derivatives. Model compounds in each system were synthesized for spectroscopic comparison. Confirmation of structure was achieved using a combination of NMR and IR spectroscopy to ascertain the functional sites (i.e., the azo and the cyclic imides), while mass spectrometry and UVvis spectrophotometry were

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7

Zhao, Meng-Yun, Yue-Feng Tang, and Guo-Zhi Han. "Recent Advances in the Synthesis of Aromatic Azo Compounds." Molecules 28, no. 18 (2023): 6741. http://dx.doi.org/10.3390/molecules28186741.

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Анотація:

Aromatic azo compounds have -N=N- double bonds as well as a larger π electron conjugation system, which endows aromatic azo compounds with wide applications in the fields of functional materials. The properties of aromatic azo compounds are closely related to the substituents on their aromatic rings. However, traditional synthesis methods, such as the coupling of diazo salts, have a significant limitation with respect to the structural design of aromatic azo compounds. Therefore, many scientists have devoted their efforts to developing new synthetic methods. Moreover, recent advances in the sy

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8

Ali, Yousaf, Shafida Abd Hamid, and Umer Rashid. "Biomedical Applications of Aromatic Azo Compounds." Mini-Reviews in Medicinal Chemistry 18, no. 18 (2018): 1548–58. http://dx.doi.org/10.2174/1389557518666180524113111.

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9

Klismeta, K., J. Teteris, and J. Aleksejeva. "Photoinduced mass transport in azo compounds." IOP Conference Series: Materials Science and Engineering 49 (December 13, 2013): 012036. http://dx.doi.org/10.1088/1757-899x/49/1/012036.

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10

Ungureanu, Eleonora-Mihaela, Alexandru C. Razus, Liviu Birzan, Mariana-Stefania Cretu, and George-Octavian Buica. "Electrochemical study of azo–azulene compounds." Electrochimica Acta 53, no. 24 (2008): 7089–99. http://dx.doi.org/10.1016/j.electacta.2008.04.087.

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11

MATSUI, M., S. KAWAMURA, K. SHIBATA, et al. "ChemInform Abstract: Perfluoroalkylation of Azo Compounds." ChemInform 24, no. 28 (2010): no. http://dx.doi.org/10.1002/chin.199328132.

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12

P., N. GUPTA, and RAINA ANJU. "Polarographic Behaviour of Some Azo Compounds." Journal of Indian Chemical Society Vol. 62, May 1985 (1985): 363–66. https://doi.org/10.5281/zenodo.6302842.

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Анотація:

Department of Chemistry, University of Kashmir, Srinagar-190 006 <em>Manuscript received 5 November 1984, accepted 30 April 1985</em> Polarographic reduction mechanism of azo compounds in various buffers with <em>p</em>H ranging between 2 and 12 and at constant temperature of 25° was studied. In most cases, two E<sub>1/2<sup>- </sup></sub><em>p</em>H relationships were evaluated. The diffusion controlled reduction behaviour was observed. In acid and alkaline ranges the products of reaction were not identical. The proposed reaction mechanism highlights the product formation with t

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13

Saxena, Shashi, Pallvi Pandey, Anuj Kumar, Auranjeb Kumar, Amit Kumar, and Raushan Kumar. "A Review on Synthesis of new Azo Compounds of Para Hydroxy Benzaldehyde and Determination of their Activity." Journal of Biomedical and Pharmaceutical Research 14, no. 2 (2025): 66–77. https://doi.org/10.32553/jbpr.v14i2.1275.

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Анотація:

This study aims to prepare some azo compounds by diazo coupling reaction of aromatic amines with Para hydroxy benzaldehyde. Azo dyes are Compounds containing in their structure a group or more of the AZO groups (–N=N–) called azo compounds, in which the nitrogen atom hybridization is sp 2 . azo's properties entirely depend on the structure of the compound, the number of azo linkages, and both groups on each end of the -N=N- linkage. The prepared compounds then identified using FT-IR spectroscopy. The purity of the dye was checked by thin layer chromatography(TLC) using solvent system and melti

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14

M. Ahmad, Shayma, Zahraa S. Al-Taie, Mohammed H. Al-Mashhadani, et al. "An Overview of Preparation for Different Azo Compounds." Al-Nahrain Journal of Science 27, no. 1 (2024): 1–13. http://dx.doi.org/10.22401/anjs.27.1.01.

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Анотація:

Azo compounds are a class of organic materials that have the group R-N=N-R' where the substitution group R and R' are aromatic or heterocyclic sides. The azo compounds have a variety of applications including dyes, pigments, and pharmaceuticals. The preparation and characterization of different azo compounds is an important area of research in organic synthesis. The azo compound synthesis typically involves the diazotization process for coupling between an aromatic amine and another aromatic compound containing an activating group such as -OH, -NH2, or -NR2. The reaction conditions must be car

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15

Pakeeraiah, K., Sujit Kumar Mohanty, K. Eswar, and K. Raju. "Azo benzimidazole - A biologically active scaffold." International Journal of PharmTech Research 13, no. 3 (2020): 159–71. http://dx.doi.org/10.20902/ijptr.2019.130305.

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Анотація:

Azo compounds are a very unique class of chemical compounds, drawing considerations in scientific research. Azo compounds are studied as class of organic colorants which have at least a conjugated chromophore azo (-N=N-) group in fusion with one or more aromatic or heterocyclic ring system. Benzimidazole derivatives are privileged intermediates for the development of molecules of pharmaceutical or biological interest. Benzimidazole derivatives have gathered wide applications in diverse therapeutic areas such as antiulcer, anticancer agents, and anthelmintic species to name just a few. Although

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16

Hamidian, Kourosh, Mohsen Irandoust, Ezzat Rafiee, and Mohammad Joshaghani. "Synthesis, Characterization, and Tautomeric Properties of Some Azo-azomethine Compounds." Zeitschrift für Naturforschung B 67, no. 2 (2012): 159–64. http://dx.doi.org/10.1515/znb-2012-0208.

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The primary azo compound 1-(3-formyl-4-hydroxyphenylazo)-4-nitrobenzene reacts with some aliphatic and aromatic diamines and yields the corresponding azo-azomethine compounds. These compounds were characterized by elemental analysis, IR, UV/Vis, and NMR spectroscopy. The primary azo compound exists entirely in the azo form in solution as well as in the solid phase. The tautomeric structure of azo-azomethine compounds heavily depends on the solvent and the substituents. Aliphatic diamine-based compounds favor the enol-imine tautomer while aromatic diamine-based compounds have structures that li

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17

Ali, Wisam Hassan, Buthyna Abd el-hassan Naser, and Intisar Obaid Alfatlawi. "Coupling Compounds Behavior on Types of Fungi." American International Journal of Sciences and Engineering Research 2, no. 1 (2019): 22–36. http://dx.doi.org/10.46545/aijser.v2i1.51.

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Анотація:

In our past work , some coupling azo- compounds were formatted characterized , chemical identification , which appeared good evidences for production our azo-coupling compounds , while in this paper , these azo-coupling derivatives were studied against types of fungi.

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18

Mirkovic, Jelena, Gordana Uscumlic, Aleksandar Marinkovic, and Dusan Mijin. "Azo-hydrazone tautomerism of aryl azo pyridone dyes." Chemical Industry 67, no. 1 (2013): 1–15. http://dx.doi.org/10.2298/hemind120309053m.

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Анотація:

In the last three or four decades disperse dyes derived from pyridones (in particular azo pyridone dyes) have gained in importance, and are widely used in various fields. These compounds have excellent coloration properties, and are suitable for the dyeing of polyester fabrics. Basic features of these dyes are simplicity of their synthesis by diazotation and azo coupling. They generally have high molar extinction coefficient with medium to high light and wet fastness. The absorption maxima of these dyes show their visible absorption wavelength ranging from yellow to orange, which can be attrib

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19

Azeez, Hadi, Ahmed Al-kadhimi, and Nashwan Tapabashi. "Synthesis, Characterization and Biological Evaluation of Some Azo and Azo-Schiff Compounds." Kirkuk University Journal-Scientific Studies 14, no. 1 (2019): 97–119. http://dx.doi.org/10.32894/kujss.2019.14.1.8.

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20

Akwi, Faith M., and Paul Watts. "The in situ generation and reactive quench of diazonium compounds in the synthesis of azo compounds in microreactors." Beilstein Journal of Organic Chemistry 12 (September 6, 2016): 1987–2004. http://dx.doi.org/10.3762/bjoc.12.186.

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In this paper, a micro-fluidic optimized process for the continuous flow synthesis of azo compounds is presented. The continuous flow synthesis of Sudan II azo dye was used as a model reaction for the study. At found optimal azo coupling reaction temperature and pH an investigation of the optimum flow rates of the reactants for the diazotization and azo coupling reactions in Little Things Factory-MS microreactors was performed. A conversion of 98% was achieved in approximately 2.4 minutes and a small library of azo compounds was thus generated under these reaction conditions from couplers with

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21

Akram, Dana, Ismail A. Elhaty, and Shaikha S. AlNeyadi. "Synthesis and Antibacterial Activity of Rhodanine-Based Azo Dyes and Their Use as Spectrophotometric Chemosensor for Fe3+ Ions." Chemosensors 8, no. 1 (2020): 16. http://dx.doi.org/10.3390/chemosensors8010016.

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This research includes the design and synthesis of new derivatives for rhodanine azo compounds (4a–c) containing a naphthalene ring. Physiochemical properties of the synthesized compounds were determined by their melting points, FTIR, 1H-NMR, 13C-NMR, and elemental analysis spectroscopic techniques. The biological activities of the newly prepared azo rhodanine compounds were evaluated against some pathogenic bacteria using three different bacterial species including (Escherichia coli., Pseudomonas aeruginosa, Staphylococcus aureus) and compared with amoxicillin as a reference drug. The results

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22

Sridhara, M. B., G. R. Srinivasa, and D. Channe Gowda. "Ammonium chloride mediated reduction of azo compounds to hydrazo compounds." Journal of Chemical Research 2004, no. 1 (2004): 74–75. http://dx.doi.org/10.3184/030823404323000873.

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23

Almashal, Faeza, Abeer Mohamed Jabar, and Adil Muala Dhumad. "Synthesis, characterization and DFT computational studies of new heterocyclic azo compounds." European Journal of Chemistry 9, no. 2 (2018): 84–88. http://dx.doi.org/10.5155/eurjchem.9.2.84-88.1683.

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New heterocyclic azo compounds were prepared by coupling the diazonium salts with N-(4-methylphenyl)maleimide with various different sulfa compounds. The structure of heterocyclic azo compounds was determined by MS, FT-IR and 1H NMR techniques. The density function theory calculation at the B3LYP method with 6-311G(d,p) basis set is used to investigate the electronic structures of the prepared heterocyclic azo compounds. Mulliken charge distributions and HOMO-LUMO energies of the mentioned compounds have been also computed by same method and basis set.

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24

RAJEEV, JAIN, D. AGARWAL D., and SHRIVASTAVA RAJESH. "Synthesis of some New Arylazolsoxazoles." Journal Of Indian Chemical Society Vol. 66, Jan 1989 (1989): 59–60. https://doi.org/10.5281/zenodo.6119636.

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School of Studies in Chemistry, Jiwaji University, Gwalior-474 011 <em>Manuscript received 2 May 1988, revised 23 September 1988, accepted 4 October 1988</em> BIOLOGICAL importance of azo compounds is well-known<sup>1</sup> and other useful chemotherapeutics<sup>2</sup>, e.g. <em>N,N</em>-bis(2-chlorophenyl)-<em>p</em>- henylazoaniline has been found to possess tumor inhibitory activity a. Furthermore, isoxazoles also have pharmacological<sup>4</sup> interest and are found in nature<sup>5</sup>. It has been observed that the activity of azo linkage increases on th

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25

Liakou, S., M. Kornaros, and G. Lyberatos. "Pretreatment of azo dyes using ozone." Water Science and Technology 36, no. 2-3 (1997): 155–63. http://dx.doi.org/10.2166/wst.1997.0508.

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Анотація:

Wastewaters produced in textile industrial processes contain organic dyes which are not easily amenable to biological treatment. Pretreatment with ozone is a promising method for oxidation of those dyes to more degradable compounds. The aim of this work is to assess the oxidation kinetics of a specific azo dye used in the textile industry, Orange II. Batch experiments were conducted in order to elucidate the oxidation route of the dye. Oxalate, formate and benzenesulfonate are found to be the oxidation intermediate compounds. A mathematical model which describes the dye elimination, the COD an

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26

Ali Zaboon Salman, HasanainA.Abdullmajed, and Mahmoud Shaker Hussein. "Ester polymers Synthesized by Azo dye." Journal of Kufa for Chemical Sciences 4, no. 1 (2024): 54–71. https://doi.org/10.36329/jkcm/2024/v4.i1.13666.

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Анотація:

The current study included the preparation of azo compound (A4) from the aromatic amine reactant (2-aminobenzoate methyl) by the nitrification method and conjugation with pharmaceutical phenolic compounds (pyridoxine hydrochloride, ortho-vanillin, para-vanillin, and kojic acid). Then, the compound (A4) was converted into new ester polymers. By reacting it with succinic acid and apic acid. All compounds and polymers were then characterized by IR, UV-Vis, mass spectrometry and 1H NMR spectroscopy. The effect of pH was studied in the electronic absorption spectra of azo compounds (A4) in the visi

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27

N., Valeeva, Usmanova G., Ayupova M., and Aripdzhanova M. "PROPERTIES AND BIOREGULATORY ACTIVITY OF AZO COMPOUNDS." Journal of science. Lyon, no. 42 (April 28, 2023): 3–7. https://doi.org/10.5281/zenodo.7898596.

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Анотація:

<strong>Abstract</strong> Dyes are products of fine organic synthesis obtained by combining various diazonium salts with derivatives of aromatic amines. They gave rise to the chemistry of pharmaceutical products, plant protection products, polymeric materials and other organic substances. Organic dyes are used in dyeing fabrics and yarns of various kinds: natural silk, wool, cotton, linen, artificial and synthetic fibers. A large number of synthetic dyes are known, and their number is constantly growing. They are used to dye leather, fur, wood, paper, various types of plastics, rubber, food pr

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28

KITAMURA, Akihide, Nobukazu MIYAGAWA, and Takashi KARATSU. "Photoinduced Electron-transfer Reaction of Azo Compounds." Journal of Synthetic Organic Chemistry, Japan 55, no. 8 (1997): 678–85. http://dx.doi.org/10.5059/yukigoseikyokaishi.55.678.

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29

Büyükgüngör, O., Ç. Albayrak, and M. Odabasoglu. "Spectroscopic investigation of some azo-azomethine compounds." Acta Crystallographica Section A Foundations of Crystallography 61, a1 (2005): c315. http://dx.doi.org/10.1107/s0108767305086605.

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30

Sonin, N. O., and D. M. Egorov. "Anticancer Activity of Azo Compounds (Mini-Review)." Russian Journal of General Chemistry 94, no. 9 (2024): 2207–33. http://dx.doi.org/10.1134/s1070363224090019.

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31

Du, Ke-Si, and Jing-Mei Huang. "Electrochemical dehydrogenation of hydrazines to azo compounds." Green Chemistry 21, no. 7 (2019): 1680–85. http://dx.doi.org/10.1039/c9gc00515c.

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Анотація:

A strategy for the electrochemical dehydrogenation of hydrazine compounds is disclosed under ambient conditions. Its synthetic value is well demonstrated by the highly efficient synthesis of symmetric and unsymmetric azo compounds. It is an environmentally friendly transformation and the present protocol was effective on a large scale.

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32

Matsui, Masaki, Yoshiyuki Iwata, Toshio Kato, and Katsuyoshi Shibata. "Reaction of aromatic azo compounds with ozone." Dyes and Pigments 9, no. 2 (1988): 109–17. http://dx.doi.org/10.1016/0143-7208(88)80010-x.

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33

Wagner-Wysiecka, Ewa, Natalia Łukasik, Jan F. Biernat, and Elżbieta Luboch. "Azo group(s) in selected macrocyclic compounds." Journal of Inclusion Phenomena and Macrocyclic Chemistry 90, no. 3-4 (2018): 189–257. http://dx.doi.org/10.1007/s10847-017-0779-4.

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34

Orshulyak, O. O., and G. D. Levitskaya. "Voltammetric determination of zirconium using azo compounds." Journal of Analytical Chemistry 63, no. 3 (2008): 271–74. http://dx.doi.org/10.1134/s1061934808030143.

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35

Roldo, Marta, Eugen Barbu, James F. Brown, David W. Laight, John D. Smart, and John Tsibouklis. "Azo compounds in colon-specific drug delivery." Expert Opinion on Drug Delivery 4, no. 5 (2007): 547–60. http://dx.doi.org/10.1517/17425247.4.5.547.

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36

Rowe, F. M., and W. G. Dangerfield. "Decomposition of Azo Compounds by Mineral Acida." Journal of the Society of Dyers and Colourists 52, no. 2 (2008): 48–57. http://dx.doi.org/10.1111/j.1478-4408.1936.tb01908.x.

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37

Pricelius, S., C. Held, M. Murkovic, et al. "Enzymatic reduction of azo and indigoid compounds." Applied Microbiology and Biotechnology 77, no. 2 (2007): 321–27. http://dx.doi.org/10.1007/s00253-007-1165-8.

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38

Velasco, Manuel I., Claudio O. Kinen, Rita Hoyos de Rossi, and Laura I. Rossi. "A green alternative to synthetize azo compounds." Dyes and Pigments 90, no. 3 (2011): 259–64. http://dx.doi.org/10.1016/j.dyepig.2010.12.009.

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39

McGowan, J. C., and T. Powell. "Rates of decompositions of certain AZO compounds." Recueil des Travaux Chimiques des Pays-Bas 81, no. 12 (2010): 1061–67. http://dx.doi.org/10.1002/recl.19620811208.

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40

Bickel, A. F., and W. A. Waters. "The decomposition of aliphatic azo-compounds. I." Recueil des Travaux Chimiques des Pays-Bas 69, no. 3 (2010): 312–20. http://dx.doi.org/10.1002/recl.19500690310.

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41

Bickel, A. F., and W. A. Waters. "The decomposition of aliphatic azo-compounds: II." Recueil des Travaux Chimiques des Pays-Bas 69, no. 12 (2010): 1490–94. http://dx.doi.org/10.1002/recl.19500691204.

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42

Bevington, John C. "Initiation of polymerization: Azo compounds and peroxides." Makromolekulare Chemie. Macromolecular Symposia 10-11, no. 1 (1987): 89–107. http://dx.doi.org/10.1002/masy.19870100106.

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43

D., Kumar, Syamal A., Jaipal, and K. Gupta P. "Coordination compounds of polystyrene-supported azo dye." Journal of Indian Chemical Society Vol. 84, Mar 2007 (2007): 217–22. https://doi.org/10.5281/zenodo.5814849.

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Department of Chemistry, National Institute of Technology, Kurukshetra-136 119, Haryana, India <em>E-mai</em>l : dkumar_nitk@yahoo.com; arunsyamal@yahoo.co.in;               jaipal_ nitk@rediffmail.com; praveen _gemini@yahoo.com <em>Manuscript received 7 January 2005, revised 20 December 2006, accepted 3 January 2007</em> Chloromethylated polystyrene (PSCH<sub>2</sub>-CI) reacts with sodium 4-(1-hydroxy-2-naphthylazo)-3-hydroxy-7- nitronaphthalene-1-sulphonate in presence of ethyl acetate (EA) and triethylamine (TEA) to produce polystyrene-supported azo dye (

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Adu, Joseph Kwasi, Cedric Dzidzor Kodjo Amengor, Nurudeen Mohammed Ibrahim, et al. "Synthesis and In Vitro Antimicrobial and Anthelminthic Evaluation of Naphtholic and Phenolic Azo Dyes." Journal of Tropical Medicine 2020 (June 1, 2020): 1–8. http://dx.doi.org/10.1155/2020/4850492.

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The antimicrobial activity of 2-naphtholic and phenolic azo compounds was determined against seven microbial species, Staphylococcus aureus (ATCC 25923), Streptococcus pyrogenes (clinical), and Enterococcus faecalis (ATCC 29212), Salmonella typhi (clinical), Pseudomonas aeruginosa (ATCC 27853), Escherichia coli (ATCC 251922), and Candida albicans (ATCC 10231), using the high-throughput spot culture growth inhibition assay (HT-SPOTi). The minimum inhibitory concentrations (MIC) were determined for the active azo dyes. All the azo compounds (A1–B4) were screened for anthelmintic activity against

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Dembitsky, Valery M., and Alexander O. Terent’ev. "Azo Dyes and the Microbial World: Synthesis, Breakdown, and Bioactivity." Microbiology Research 16, no. 5 (2025): 100. https://doi.org/10.3390/microbiolres16050100.

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This review discusses natural and synthetic azo compounds found in bacteria, fungal endophytes, fungi, plants, and invertebrates. More than 100 of these compounds have demonstrated significant pharmacological activity, including antitumor, antimicrobial, and antibacterial effects. Using mathematical algorithms and the PASS program, researchers predict new potential applications based on their structure–activity relationships. This review emphasizes the importance of natural azo compounds as promising drug prototypes and key players in drug discovery. It also explores the synthesis and degradat

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Luo, Chao, Oleg Borodin, Xiao Ji, et al. "Azo compounds as a family of organic electrode materials for alkali-ion batteries." Proceedings of the National Academy of Sciences 115, no. 9 (2018): 2004–9. http://dx.doi.org/10.1073/pnas.1717892115.

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Organic compounds are desirable for sustainable Li-ion batteries (LIBs), but the poor cycle stability and low power density limit their large-scale application. Here we report a family of organic compounds containing azo group (N=N) for reversible lithiation/delithiation. Azobenzene-4,4′-dicarboxylic acid lithium salt (ADALS) with an azo group in the center of the conjugated structure is used as a model azo compound to investigate the electrochemical behaviors and reaction mechanism of azo compounds. In LIBs, ADALS can provide a capacity of 190 mAh g−1 at 0.5 C (corresponding to current densit

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Srinivasa, G. R., K. Abiraj, and D. Channe Gowda. "Facile Synthesis of Azo Compounds from Aromatic Nitro Compounds using Magnesium and Triethylammonium Formate." Australian Journal of Chemistry 57, no. 6 (2004): 609. http://dx.doi.org/10.1071/ch03143.

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Magnesium/triethylammonium formate is a convenient reagent for the reduction of aromatic nitro compounds to corresponding symmetrically substituted azo compounds. Various azo compounds containing additional reducible substituents, including halogen, nitrile, acid, phenol, ester, and methoxy functions, have been synthesized in a single step by the use of this reagent. The conversion is reasonably fast, clean, high yielding, and occurs at room temperature in methanol.

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Handajani, Juni, Urfa Tabtila, Nadia Rully Auliawati, and Abdul Rohman. "Characterization of buccal cell DNA after exposure to azo compounds: a cross-sectional study." F1000Research 9 (August 27, 2020): 1053. http://dx.doi.org/10.12688/f1000research.25798.1.

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Background: Azo compounds, containing naphthol and diazonium salts, are synthetic dyes widely used in the batik industry. Azo compounds are considered toxic when they are exposed to human tissue. The purpose of this study was to analyze buccal cell DNA exposed to azo compounds in batik workers. Methods: A cross-sectional study involving 20 male subjects divided into two groups (n=10 group), namely azo-exposed and non-exposed (control group). Inclusion criteria were batik workers of the colouring division who have been exposed to azo for at least 5 years. Buccal cells were taken using cytobrush

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Handajani, Juni, Urfa Tabtila, Nadia Rully Auliawati, and Abdul Rohman. "Characterization of buccal cell DNA after exposure to azo compounds: a cross-sectional study." F1000Research 9 (September 18, 2020): 1053. http://dx.doi.org/10.12688/f1000research.25798.2.

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Background: Azo compounds, containing naphthol and diazonium salts, are synthetic dyes widely used in the batik industry. Azo compounds are considered toxic when they are exposed to human tissue. The purpose of this study was to analyze buccal cell DNA exposed to azo compounds in batik workers. Methods: A cross-sectional study involving 20 male subjects divided into two groups (n=10 group), namely azo-exposed and non-exposed (control group). Inclusion criteria were batik workers of the colouring division who have been exposed to azo for at least 5 years. Buccal cells were taken using cytobrush

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Jiang, Bo, Yue-Yue Du, and Guo-Zhi Han. "Palladium-mediated base-free and solvent-free synthesis of aromatic azo compounds from anilines catalyzed by copper acetate." Green Processing and Synthesis 11, no. 1 (2022): 823–29. http://dx.doi.org/10.1515/gps-2022-0070.

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Abstract Herein, we report a new one-step direct synthesis of aromatic azo compounds from anilines under mild conditions. With the catalysis of copper acetate mediated by palladium salt, rapid conversion of anilines to aromatic azo compounds can be observed under the conditions of base-free along with solvent-free. Furthermore, the cross-coupling nitridation reaction based on this strategy was also studied. This research provides not only a new way for the synthesis of symmetrical and asymmetrical aromatic azo compounds but also a strategy and platform for exploring catalytic applications of t

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