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Journal articles on the topic 'O-aminophenol'

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1

Stuart, Natalie M., and Karl Sohlberg. "Poly (O-Aminophenol) Produced by Plasma Polymerization Has IR Spectrum Consistent with a Mixture of Quinoid & Keto Structures." Plasma 5, no. 2 (2022): 196–205. http://dx.doi.org/10.3390/plasma5020015.

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A vibrational analysis of various poly(o-aminophenol) structures has been undertaken using first principles methods. It is shown that a mixture of quinoid and keto forms of poly(o-aminophenol) gives rise to a simulated spectrum that replicates the experimental infrared spectra of plasma-produced poly(o-aminophenol) better than either the quinoid or keto poly(o-aminophenol) spectra alone. An unassigned peak in the spectrum is attributed to hydrogen bonding to the silica substrate.
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2

Chen, Ketao, Meijuan Cao, Eileen Feng, Karl Sohlberg, and Hai-Feng Ji. "Polymerization of Solid-State Aminophenol to Polyaniline Derivative Using a Dielectric Barrier Discharge Plasma." Plasma 3, no. 4 (2020): 187–95. http://dx.doi.org/10.3390/plasma3040014.

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We present a method to prepare polyaminophenol from solid-state aminophenol monomers using atmospheric dielectric barrier discharge (DBD) plasma. The polymerizations of o-aminophenol and m-aminophenol are studied. The polymers were analyzed via Fourier-Transform inferred spectroscopy (FTIR) and ultraviolet-visible (UV-vis) spectroscopy. The kinetics of the polymerization reactions were investigated by using UV-vis and the polymerization was found to be first-order for both o-aminophenol and m-aminophenol. The resulting polymer film exhibits a conductivity of 1.0 × 10−5 S/m for poly-o-aminophen
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3

Naiman, Karel, Petr Hodek, Jiří Liberda, Heinz H. Schmeiser, Eva Frei, and Marie Stiborová. "Rat liver microsomal metabolism of o-aminophenol and N-(2-methoxyphenyl)hydroxylamine, two metabolites of the environmental pollutant and carcinogen o-anisidine in humans." Collection of Czechoslovak Chemical Communications 75, no. 12 (2010): 1229–47. http://dx.doi.org/10.1135/cccc2010077.

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o-Aminophenol and N-(2-methoxyphenyl)hydroxylamine are human metabolites of the industrial and environmental pollutant and bladder carcinogen 2-methoxyaniline (o-anisidine). The latter one is also a human metabolite of another pollutant and bladder carcinogen, 2-methoxynitrobenzene (o-nitroanisole). Here, we investigated the ability of rat hepatic micro- somes to metabolize these metabolites. N-(2-methoxyphenyl)hydroxylamine is metabolized by rat hepatic microsomes to o-aminophenol and predominantly o-anisidine, the parent carcinogen from which N-(2-methoxyphenyl)hydroxylamine is formed. In ad
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4

Tucceri, Ricardo, Pablo Arnal, and Alberto Scian. "Electrosynthesis and Spectroscopic Characterization of Poly(o-Aminophenol) Film Electrodes." ISRN Polymer Science 2012 (May 15, 2012): 1–26. http://dx.doi.org/10.5402/2012/942920.

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This review, which is divided into three parts, concerns electrochemical synthesis, spectroscopic characterization, and formation mechanisms of poly(o-aminophenol) (POAP) film electrodes. The first part of this review is devoted to describe the electropolymerization process of o-aminophenol on different electrode materials and in different electrolyte media by employing both potentiodynamic and potentiostatic methods. The second part refers to spectroscopic studies carried out by different authors to both, identify the products of the o-aminophenol electrooxidation and elucidate the chemical s
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5

Chandra, Paul Ganesh. "Catalytic Applications of Transition Metal Complexes Based on o-Aminophenol Ligands." Der Pharma Chemica 14, no. 11 (2022): 11. https://doi.org/10.4172/0975-413X.14.11.14-24.

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Aminophenol based ligands have had a tremendous and continually growing impact on catalysis research. Their utility spans over a number of areas including homogeneous catalysis, small molecule activation, carbon dioxide reduction, and hydrogen evolution processes. For the development of a catalyst metal-ligand covalency is necessary via mutual cooperation and strong electronic coupling between a metal center and coordinating ligands. The role of o-aminophenol based ligands in different metabolic/enzymatic reactions in biological systems is now well documented. Their application is now expandin
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6

Capello, Marcela C., Michel Broquier, Shun-Ichi Ishiuchi, et al. "Fast Nonradiative Decay in o-Aminophenol." Journal of Physical Chemistry A 118, no. 11 (2014): 2056–62. http://dx.doi.org/10.1021/jp411457v.

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7

Tucceri, R. I., C. Barbero, J. J. Silber, L. Sereno, and D. Posadas. "Spectroelectrochemical study of poly-o-aminophenol." Electrochimica Acta 42, no. 6 (1997): 919–27. http://dx.doi.org/10.1016/s0013-4686(96)00277-0.

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8

Shah, Anwar-ul-Haq Ali, and Rudolf Holze. "Spectroelectrochemistry of aniline-o-aminophenol copolymers." Electrochimica Acta 52, no. 3 (2006): 1374–82. http://dx.doi.org/10.1016/j.electacta.2006.07.040.

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9

Zhao, Jianming, Rafael Luque, Wenjing Qi, et al. "Facile surfactant-free synthesis and characterization of Fe3O4@3-aminophenol–formaldehyde core–shell magnetic microspheres." Journal of Materials Chemistry A 3, no. 2 (2015): 519–24. http://dx.doi.org/10.1039/c4ta03821e.

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Fe<sub>3</sub>O<sub>4</sub>@3-aminophenol–formaldehyde (Fe<sub>3</sub>O<sub>4</sub>@APF) core–shell resin polymer magnetic nanocomposites were fabricated by the polymerization of 3-aminophenol and formaldehyde as efficient absorbants for methyl blue.
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10

Karunakaran, Chockalingam, and Ramamoorthy Dhanalakshmi. "Selectivity in photocatalysis by particulate semiconductors." Open Chemistry 7, no. 1 (2009): 134–37. http://dx.doi.org/10.2478/s11532-008-0083-7.

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AbstractTiO2, Fe2O3, CuO, ZnO, ZnS, Nb2O5, MoO3, CdO, CdS, Sb2O3, CeO2, HgO, Pb2O3, PbO2 and Bi2O3 microparticles exhibit band gap excitation with UV-A light but they are selective to photodegrade phenols. While TiO2 anatase and ZnO photocatalyze the degradation of phenol, o-aminophenol, m-aminophenol, p-aminophenol, o-chlorophenol, m-chlorophenol, p-chlorophenol, o-nitrophenol, p-nitrophenol, o-cresol, m-cresol, p-cresol, catechol, resorcinol and quinol, MoO3 does not photodegrade any of the fifteen phenols. Fe2O3, CuO, ZnS, Nb2O5, CdO, CdS, Sb2O3, CeO2, HgO, Pb2O3, PbO2 and Bi2O3 are selecti
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11

Ajami, Narges. "Synthesis and Electrochemical Capacitor Characterization of Novel Composite Materials with p-Type Conductive Polymer." International Journal of Electrochemistry 2019 (January 1, 2019): 1–7. http://dx.doi.org/10.1155/2019/3409568.

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Considering the importance of conductive polymer nanocomposite, the present paper attempts to create a method for increasing the conductivity of poly(o-aminophenol). Nanocomposite MnO2/poly(o-aminophenol) thin film was synthesized by using pulse potential electrodeposition technique on a graphite electrode. In this research, nanoparticles of MnO2 are used after synthesis to prepare polymer nanocomposites in one-step. Appending of MnO2 to polymer matrix increases the current. This current growth could be ascribed to the synergistic MnO2 nanostructure, which presents the superior surface area an
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12

Nesterova, Oksana V., Armando J. L. Pombeiro, and Dmytro S. Nesterov. "Tetranuclear Copper Complexes with Bulky Aminoalcohol Ligands as Catalysts for Oxidative Phenoxazinone Synthase-like Coupling of Aminophenol: A Combined Experimental and Theoretical Study." Catalysts 12, no. 11 (2022): 1408. http://dx.doi.org/10.3390/catal12111408.

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The new copper(II) complexes [Cu4(pa)4(Bae)4]·H2O (1) and [Cu4(eba)4(Buae)4]·H2O (2) (Hpa = propionic acid, HBae = 2-benzylaminoethanol, Heba = 2-ethylbutyric acid and HBuae = 2-butylaminoethanol) were synthesizsed by the interaction of a copper salt with a methanol solution of the respective ligands. The single-crystal X-ray diffraction analysis reveals that both compounds have a {Cu4(μ3-O)4} cubane-like core. Both compounds show pronounced phenoxazinone synthase-like activity towards the aerobic oxidation of o-aminophenol to phenoxazinone chromophore, with the maximum initial rates W0 up to
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13

Tucceri, Ricardo, Pablo Maximiliano Arnal, and Alberto Néstor Scian. "Spectroscopic Characterization of Poly(ortho-Aminophenol) Film Electrodes: A Review Article." Journal of Spectroscopy 2013 (2013): 1–26. http://dx.doi.org/10.1155/2013/951604.

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This paper refers to spectroscopic studies carried out to identify the products ofo-aminophenol electro-oxidation and elucidate the structure of electrochemically synthesized poly(o-aminophenol) (POAP) films. Spectroscopic studies of the redox conversion of POAP are also reviewed.
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14

Nie, Chun Hong, and Bao Hui Wang. "Electrochemical Oxidation of o-Amiophenol in the Presence of NaCI for Wastewater Treatment." Advanced Materials Research 900 (February 2014): 382–85. http://dx.doi.org/10.4028/www.scientific.net/amr.900.382.

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The electrochemical oxidation of o-Aminophenol in the presence o f NaCl for wastewater treatment was studied on Ti/IrO2-Ta2O5 , Ti/IrO2-Ta2O5-SnO2 and Ti/IrO2 anodes. The experimental results have shown that the presence of NaCl catalyses the anodic oxidation of o-Aminophenol due to the participation of electrogenerated ClO- in the oxidation. Analysis of the oxidation products has shown that initially organo chlorinated compounds are formed in the electrolyte.
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15

Ortega, José Miguel. "Conducting potential range for poly(o-aminophenol)." Thin Solid Films 371, no. 1-2 (2000): 28–35. http://dx.doi.org/10.1016/s0040-6090(00)00980-9.

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16

Mu, Shaolin. "Electrochemical copolymerization of aniline and o-aminophenol." Synthetic Metals 143, no. 3 (2004): 259–68. http://dx.doi.org/10.1016/j.synthmet.2003.12.008.

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17

Barbero, C., R. I. Tucceri, D. Posadas, J. J. Silber, and L. Sereno. "Impedance characteristics of poly-o-aminophenol electrodes." Electrochimica Acta 40, no. 8 (1995): 1037–40. http://dx.doi.org/10.1016/0013-4686(94)00373-9.

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18

Ohsaka, Takeo, Satoshi Kunimura, and Noboru Oyama. "Electrode kinetics of poly (o-aminophenol) film prepared by electro-oxidative polymerization of o-aminophenol and its electrochromic properties." Electrochimica Acta 33, no. 5 (1988): 639–45. http://dx.doi.org/10.1016/0013-4686(88)80062-8.

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19

Pradyut, Sarma, Kumar Borua Prabin, and Kumar Medhi Okhil. "Interaction of iron Schiff base complex with orthoamino phenol in aqueous surfactant micelles – an electrochemical and spectroscopic analysis." Journal of Indian Chemical Society Vol. 91, Sep 2014 (2014): 1675–85. https://doi.org/10.5281/zenodo.5733086.

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Department of Chemistry, Arya Vidyapeeth College, Guwahati-781 016, Assam, India <em>E-mail</em> : gu_123456@yahoo.com Department of Chemistry, Gauhati University, Guwahati-781 014, Assam, India <em>Manuscript received online 30 November 2012, revised 30 January 2013, accepted 15 April 2014</em> Iron(III) complex of Schiff base ligand ([Fe(salen)]<sup>+</sup>) interacting with o-aminophenol in aqueous surfactant micelles is studied as functional model of dioxygenase enzyme. Aqueous surfactant micelles have provided the biomimetic environment for the study. The pK<sub>a</sub> of [Fe(salen)H<sub
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20

Fowler, Lynn M., Richard B. Moore, John R. Foster, and Edward A. Lock. "Nephrotoxicity of 4-Aminophenol Glutathione Conjugate." Human & Experimental Toxicology 10, no. 6 (1991): 451–59. http://dx.doi.org/10.1177/096032719101000615.

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4-Aminophenol ( p-aminophenol, PAP) causes selective necrosis to the pars recta of the proximal tubule in Fischer 344 rats. The basis for this selective toxicity is not known, but PAP can undergo oxidation in a variety of systems to form the 4-aminophenoxy free radical. Oxidation or disproportionation of this radical will form 1,4-benzoquinoneimine which can covalently bind to tissue macromolecules. Recent studies have shown that certain benzoquinol-glutathione conjugates can cause renal necrosis in rats. We have synthesized a putative glutathione conjugate of PAP. The effect on the kidney of
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21

Broere, Daniël L. J., Raoul Plessius, and Jarl Ivar van der Vlugt. "New avenues for ligand-mediated processes – expanding metal reactivity by the use of redox-active catechol, o-aminophenol and o-phenylenediamine ligands." Chemical Society Reviews 44, no. 19 (2015): 6886–915. http://dx.doi.org/10.1039/c5cs00161g.

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22

Demehin, Abidemi Iyewumi, Mary Adelaide Oladipo, and Banjo Semire. "Synthesis, spectroscopic, biological activities and DFT calculations of nickel(II) mixed-ligand complexes of tridentate Schiff bases." Eclética Química Journal 45, no. 1 (2020): 18. http://dx.doi.org/10.26850/1678-4618eqj.v45.1.2020.p18-43.

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Ni(II) mixed-ligand complexes of [NiLNH3] (where L= N-salicylidene-o-aminophenol (L1), N-(5-methoxysalicylidene-o-aminophenol) (L2) and N-(2-hydroxy-1-naphthalidene)-o-aminophenol) (L3) containing ONO tridentate Schiff bases and ammonia were synthesized and characterized by elemental analysis, infrared, ultraviolet-visible, proton and carbon-13 spectroscopies. Theoretical calculations were also performed on the optimized structures of the Ni(II) mixed-ligand complexes. The Infrared and ultraviolet-visible spectra of the complexes were calculated, and the results compared with the corresponding
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23

Bibi, Salma, Salma Bilal, Anwar-ul-Haq Ali Shah, and Habib Ullah. "Systematic Analysis of Poly(o-aminophenol) Humidity Sensors." ACS Omega 2, no. 10 (2017): 6380–90. http://dx.doi.org/10.1021/acsomega.7b01027.

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24

Tomoda, Akio, Jundo Yamaguchi, Hisanori Kojima, Hidemitsu Amemiya, and Yoshimasa Yoneyama. "Mechanism of o -aminophenol metabolism in human erythrocytes." FEBS Letters 196, no. 1 (1986): 44–48. http://dx.doi.org/10.1016/0014-5793(86)80211-3.

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25

Zhang, A. Q., C. Q. Cui, Y. Z. Chen, and J. Y. Lee. "Synthesis and electrochromic properties of poly-o-aminophenol." Journal of Electroanalytical Chemistry 373, no. 1-2 (1994): 115–21. http://dx.doi.org/10.1016/0022-0728(94)03329-3.

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26

AREF TAWFEEK, NABEEL. "O-AMINOPHENOL SEPARATION AND PRECIPITATION BY PH CONTROLLER." Journal of University of Anbar for Pure Science 4, no. 1 (2010): 104–7. http://dx.doi.org/10.37652/juaps.2010.15448.

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27

Ma, Aihua, Tingwei Hu, Shaoyun Shan, Hongying Su, Shuisheng Wu, and Qingming Jia. "Morphologies and antibacterial properties of poly(o-aminophenol)." Polymers for Advanced Technologies 25, no. 5 (2014): 575–80. http://dx.doi.org/10.1002/pat.3283.

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28

LI, Deliang, Xiaoqiang LIU, and Jiehu CUI. "Reactive Extraction of o-Aminophenol Using Trialkylphosphine Oxide." Chinese Journal of Chemical Engineering 14, no. 1 (2006): 46–50. http://dx.doi.org/10.1016/s1004-9541(06)60036-0.

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29

Nagaraju, Pallava, Pannala Padmaja, and Pedavenkatagari Narayana Reddy. "Microwave-assisted One-pot Synthesis of 7-Dimethylamino-4-Aryl-2- methylamino-3-nitro-4H-chromenes." Letters in Organic Chemistry 16, no. 6 (2019): 468–73. http://dx.doi.org/10.2174/1570178615666181025114748.

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4-Aryl-2-amino-4H-chromenes possessing N,N-dimethylamino group have been reported as potential anticancer drugs. Despite few synthetic methods reported in the literature for their synthesis, there appear to be no reports on the direct use of N,N-dimethyl-3-aminophenol for the synthesis of 4- aryl-2-methylamino-3-nitro-4H-chromenes. One-pot condensation of N,N-dimethyl-3-aminophenol, aromatic aldehydes and (E)-N-methyl-1-(methylthio)-2-nitro-ethenamine was carried out using MW irradiation to get the 4-aryl-2-methylamino-3-nitro-4H-chromenes under catalyst-free conditions. This transformation pr
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30

Bicak, Tugrul Cem, Saniye Soylemez, Ece Buber, Levent Toppare, and Yusuf Yagci. "Poly(o-aminophenol) prepared by Cu(ii) catalyzed air oxidation and its use as a bio-sensing architecture." Polymer Chemistry 8, no. 26 (2017): 3881–88. http://dx.doi.org/10.1039/c7py00807d.

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31

Naiman, Karel, Helena Dračínská, Martin Dračínský, et al. "Cytochrome P450-mediated metabolism of N-(2-methoxyphenyl)-hydroxylamine, a human metabolite of the environmental pollutants and carcinogens o-anisidine and o-nitroanisole." Interdisciplinary Toxicology 1, no. 3-4 (2008): 218–24. http://dx.doi.org/10.2478/v10102-010-0045-8.

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Cytochrome P450-mediated metabolism ofN-(2-methoxyphenyl)-hydroxylamine, a human metabolite of the environmental pollutants and carcinogenso-anisidine ando-nitroanisoleN-(2-methoxyphenyl)hydroxylamine is a human metabolite of the industrial and environmental pollutants and bladder carcinogens 2-methoxyaniline (o-anisidine) and 2-methoxynitrobenzene (o-nitroanisole). Here, we investigated the ability of hepatic microsomes from rat and rabbit to metabolize this reactive compound. We found thatN-(2-methoxyphenyl)hydroxylamine is metabolized by microsomes of both species mainly too-aminophenol and
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32

Nasibipour, Mina, Elham Safaei, Ali Moaddeli, Marziyeh Sadat Masoumpour, and Andrzej Wojtczak. "Biradical o-iminobenzosemiquinonato(1−) complexes of nickel(ii): catalytic activity in three-component coupling of aldehydes, amines and alkynes." RSC Advances 11, no. 21 (2021): 12845–59. http://dx.doi.org/10.1039/d0ra10248b.

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The six-coordinated bis-o-iminosemiquinone complex, NiL2BIS, in which LBIS is the o-iminosemiquinone 1-electron oxidized form of the tridentate o-aminophenol benzoxazole-based ligand H2LBAP, was synthesized and characterized.
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33

Barathi, Palani, Balamurugan Thirumalraj, Shen-Ming Chen, and A. Subramania. "One-pot electrochemical preparation of copper species immobilized poly(o-aminophenol)/MWCNT composite with excellent electrocatalytic activity for use as an H2O2 sensor." Inorganic Chemistry Frontiers 4, no. 8 (2017): 1356–64. http://dx.doi.org/10.1039/c7qi00259a.

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34

Dhara, Ashish Kumar, Udai P. Singh, and Kaushik Ghosh. "Radical pathways and O2 participation in benzyl alcohol oxidation, and catechol and o-aminophenol oxidase activity studies with novel zinc complexes: an experimental and theoretical investigation." Inorganic Chemistry Frontiers 3, no. 12 (2016): 1543–58. http://dx.doi.org/10.1039/c6qi00356g.

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35

Anastasiadis, Nikolaos C., Dimitris A. Kalofolias, Aggelos Philippidis, et al. "A family of dinuclear lanthanide(iii) complexes from the use of a tridentate Schiff base." Dalton Transactions 44, no. 22 (2015): 10200–10209. http://dx.doi.org/10.1039/c5dt01218j.

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36

Levin, O., V. Kondratiev, and V. Malev. "Charge transfer processes at poly-o-phenylenediamine and poly-o-aminophenol films." Electrochimica Acta 50, no. 7-8 (2005): 1573–85. http://dx.doi.org/10.1016/j.electacta.2004.10.028.

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37

Capitan, F., A. Navalon, and J. L. Vilchez. "Spectrofluorimetric Determination of Gallium with 5-Bromosalicylidene-o-Aminophenol." Analytical Letters 23, no. 10 (1990): 1907–20. http://dx.doi.org/10.1080/00032719008052536.

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38

Rhee, Chung K., Louis A. Levy, and Robert E. London. "Fluorinated o-Aminophenol Derivatives for Measurement of Intracellular pH." Bioconjugate Chemistry 6, no. 1 (1995): 77–81. http://dx.doi.org/10.1021/bc00031a008.

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39

Heli, H., H. Yadegari, and A. Jabbari. "Graphene nanosheets-poly(o-aminophenol) nanocomposite for supercapacitor applications." Materials Chemistry and Physics 134, no. 1 (2012): 21–25. http://dx.doi.org/10.1016/j.matchemphys.2012.02.065.

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40

Mondal, Sandip, Sachinath Bera, Suvendu Maity, and Prasanta Ghosh. "Orthometalated N-(Benzophenoxazine)-o-aminophenol: Phenolato versus Phenoxyl States." ACS Omega 3, no. 10 (2018): 13323–34. http://dx.doi.org/10.1021/acsomega.8b01983.

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41

Zhang, A. Q., C. Q. Cui, and Jim Y. Lee. "Metalpolymer interactions in the Ag+¦poly-o-aminophenol system." Journal of Electroanalytical Chemistry 413, no. 1-2 (1996): 143–51. http://dx.doi.org/10.1016/0022-0728(96)04668-2.

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42

Broere, Daniël L. J., Raoul Plessius, and Jarl Ivar van der Vlugt. "Correction: New avenues for ligand-mediated processes – expanding metal reactivity by the use of redox-active catechol, o-aminophenol and o-phenylenediamine ligands." Chemical Society Reviews 44, no. 19 (2015): 7010. http://dx.doi.org/10.1039/c5cs90073e.

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Correction for ‘New avenues for ligand-mediated processes – expanding metal reactivity by the use of redox-active catechol, o-aminophenol and o-phenylenediamine ligands’ by Daniël L. J. Broere et al., Chem. Soc. Rev., 2015, DOI: 10.1039/c5cs00161g.
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43

Broere, Daniël L. J., Raoul Plessius, and Jarl Ivar van der Vlugt. "Correction: New avenues for ligand-mediated processes – expanding metal reactivity by the use of redox-active catechol, o-aminophenol and o-phenylenediamine ligands." Chemical Society Reviews 44, no. 19 (2015): 7011. http://dx.doi.org/10.1039/c5cs90083b.

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Correction for ‘New avenues for ligand-mediated processes – expanding metal reactivity by the use of redox-active catechol, o-aminophenol and o-phenylenediamine ligands’ by Daniël L. J. Broere et al., Chem. Soc. Rev., 2015, DOI: 10.1039/c5cs00161g.
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44

Nasibipour, Mina, Elham Safaei, Marziyeh Sadat Masoumpour, and Andrzej Wojtczak. "Ancillary ligand electro-activity effects towards phenyl acetylene homocoupling reaction by a nickel(ii) complex of a non-innocent O-amino phenol ligand: a mechanistic insight." RSC Advances 10, no. 41 (2020): 24176–89. http://dx.doi.org/10.1039/d0ra04362a.

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45

Zhu, Xuyang, Chun Chen, Binxun Yu, et al. "Titanocene dichloride and poly(o-aminophenol) as a new heterogeneous cooperative catalysis system for three-component Mannich reaction." Catalysis Science & Technology 5, no. 9 (2015): 4346–49. http://dx.doi.org/10.1039/c5cy00793c.

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46

Chirkina, Elena. "THEORETICAL STUDY OF THE REACTION MECHANISM DIPHENYLHYDRAZINE WITH O-AMINOPHENOL." Modern Technologies and Scientific and Technological Progress 2022, no. 1 (2022): 79–80. http://dx.doi.org/10.36629/2686-9896-2022-1-79-80.

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Based on the results of a quantum-chemical study within the framework of the electron density functional theory by the B3LYP/6-311++G (d,p) method, a mechanism for the reaction of diformylhydrazine with o-aminophenol was proposed. It is shown that the first stage of this interaction is the nucleophilic addition of the nitrogen atom of the aminophenol fragment at one of the carbonyl groups of diformylhydrazine with the formation of an unstable geminal amino alcohol, which is dehydrated to hydrazonamide. The resulting hydrazonamide as a result of the nucleophilic attack of the nitrogen atom on t
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47

Dickie, Diane A., Hanifa Jalali, Rahul G. Samant, Michael C. Jennings, and Jason AC Clyburne. "Synthesis and structural characterization of m-terphenyl Schiff base ligands and their aluminum complexes." Canadian Journal of Chemistry 82, no. 9 (2004): 1346–52. http://dx.doi.org/10.1139/v04-110.

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2,4,6-Triphenylbenzaldehyde 1 undergoes a condensation reaction with 2-aminophenol to give N-(2′,4′,6′-triphenylbenzylidene)-2-iminophenol (TPIP) 2. The imine 2 can be reduced with NaBH4 in ethanol to form N-(2′,4′,6′-triphenylbenzyl)-2-aminophenol (TPAP) 3. Addition of trimethylaluminum to 2 or 3 results in the formation of the complexes TPIP-AlMe2·AlMe3 (4) or TPAP-AlMe2 (5). Compounds 2, 3, and 4 have been crystallographically characterized.Key words: N,O ligands, aluminum, m-terphenyl, Schiff bases, X-ray crystallography.
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48

Om, Prakash, Batra Anita, Sharma Vijay, K. Saini Rajesh, and S. Verma Rajender. "Hypervalent iodine( III) mediated synthesis of 2-substituted benzoxazoles." Journal of Indian Chemical Society Vol. 80, Nov 2003 (2022): 1031–34. https://doi.org/10.5281/zenodo.5839772.

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Department of Chemistry, Kurukshetra University, Kurukshetra-136 119, India <em>E-mail : </em>chem@granth.kuk.ernet.in; chemvj@yahoo.com Department of Chemistry and Texas Regional Institute for Environmental Studies (TRIES), Sam Houstan State University, Huntsville, TX 77341-2117, U.S.A. <em>Manuscript received 3 September 2003</em> 2-Substituted benzoxazoles (6a-j, 7a-e, 7j-l) have been synthesized via the oxidative intramolecular cyclization of Schiff&#39;s bases (4a-j, 5a-e, 5j-1) using iodobenzene diacetate (IBD) as an oxidant in dry methanol. A one-pot procedure for the synthesis of 6a-j,
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49

Ma, Xiuling, Jiaxiang Liu, Dan Wu, Lihua Wang, Zhangjing Zhang, and Shengchang Xiang. "Ultrasensitive sensing of tris(2,3-dibromopropyl) isocyanurate based on the synergistic effect of amino and hydroxyl groups of a molecularly imprinted poly(o-aminophenol) film." New Journal of Chemistry 40, no. 2 (2016): 1649–54. http://dx.doi.org/10.1039/c5nj02031j.

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50

Nesterova, Oksana V., Olena E. Bondarenko, Armando J. L. Pombeiro, and Dmytro S. Nesterov. "Phenoxazinone synthase-like catalytic activity of novel mono- and tetranuclear copper(ii) complexes with 2-benzylaminoethanol." Dalton Transactions 49, no. 15 (2020): 4710–24. http://dx.doi.org/10.1039/d0dt00222d.

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