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Journal articles on the topic '1-2-4 triazole thermal properties'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Пивоварова, Е. В., И. А. Крупнова, К. К. Босов, Г. Т. Суханов, А. Г. Суханова, and Ю. В. Филиппова. "synthesis and properties of 1-methyl-5-prop-2-ynyloxy-1H-[1,2,4]triazole." Южно-Сибирский научный вестник, no. 6(52) (December 31, 2023): 192–98. http://dx.doi.org/10.25699/sssb.2023.52.6.026.

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Реакцией нуклеофильного гетероциклического замещения (SNipso-замещения) нитрогруппы в молекуле субстрата – 1-метил-5-нитро-1,2,4-триазола с участием пропаргилового спирта, как О-нуклеофильного агента, синтезировано новое функционализированное триазоловое производное – 1-метил-5-проп-2-инилокси-1Н-[1,2,4]триазол. Найдены условия взаимодействия 1-метил-5-нитро-1,2,4-триазола с пропаргиловым спиртом, обеспечивающие конверсию субстрата более 98 %. Доля продуктов конкурентных реакций – 1-метил-1,2,4-триазол-5-она и N-С триазолилтриазолона составляет 7,5 % и 0,9 % соответственно. Структура полученно

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2

Comia, Adrian, Luke Charalambou, Salem A. E. Omar, Paul A. Scattergood, Paul I. P. Elliott, and Alessandro Sinopoli. "Photophysical and Electrocatalytic Properties of Rhenium(I) Triazole-Based Complexes." Inorganics 8, no. 3 (2020): 22. http://dx.doi.org/10.3390/inorganics8030022.

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A series of [Re(N^N)(CO)3(Cl)] (N^N = diimine) complexes based on 4-(pyrid-2-yl)-1,2,3-triazole (1), 1-benzyl-4-(pyrimidin-2-yl)-1,2,3-triazole (2), and 1-benzyl-4-(pyrazin-2-yl)-1,2,3-triazole (3) diimine ligands were prepared and their photophysical and electrochemical properties were characterized. The ligand-based reduction wave is shown to be highly sensitive to the nature of the triazole-based ligand, with the peak potential shifting by up to 600 mV toward more positive potential from 1 to 3. All three complexes are phosphorescent in solution at room temperature with λmax ranging from 54

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3

Majed Jari Mohammed, Majed Jari Mohammed, Abdul Amir H. Kadhum Abdul Amir H Kadhum, and Adnan Ibrahim Mohammed and Sameer H. Abbood Al Rekabi Adnan Ibrahim Mohammed and Sameer H Abbood Al Rekabi. "Synthesis of One New Sugar Imine Molecule." Journal of the chemical society of pakistan 42, no. 1 (2020): 103. http://dx.doi.org/10.52568/000622.

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In this research, the molecule Nand#39;-((E)-5-methoxy-2-((1-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)-4,5-dihydro-1H-1,2,3-triazol-4-yl)methoxy) benzylidene)-4-methyl-1,2,3-thiadiazole-5-carbohydrazide were synthesized and characterized by several conventional analysis methods. Its physical properties and thermal stability was studied. The synthesis was conducted based on D-glucose using concept of click chemistry reaction mechanism. Some of the reaction was conducted using microwave irradiation. The synthesis steps initiated by adding propargyl bromide to

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Majed Jari Mohammed, Majed Jari Mohammed, Abdul Amir H. Kadhum Abdul Amir H Kadhum, and Adnan Ibrahim Mohammed and Sameer H. Abbood Al Rekabi Adnan Ibrahim Mohammed and Sameer H Abbood Al Rekabi. "Synthesis of One New Sugar Imine Molecule." Journal of the chemical society of pakistan 42, no. 1 (2020): 103. http://dx.doi.org/10.52568/000622/jcsp/42.01.2020.

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In this research, the molecule Nand#39;-((E)-5-methoxy-2-((1-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)-4,5-dihydro-1H-1,2,3-triazol-4-yl)methoxy) benzylidene)-4-methyl-1,2,3-thiadiazole-5-carbohydrazide were synthesized and characterized by several conventional analysis methods. Its physical properties and thermal stability was studied. The synthesis was conducted based on D-glucose using concept of click chemistry reaction mechanism. Some of the reaction was conducted using microwave irradiation. The synthesis steps initiated by adding propargyl bromide to

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5

Xu, Mei-Qi, Wen-Shuai Dong, Qamar-un-Nisa Tariq, et al. "Synthesis, Characterization, and Properties of Novel Coplanar Bicyclic Compounds Based on Triazolofurazane Compounds." Molecules 30, no. 13 (2025): 2803. https://doi.org/10.3390/molecules30132803.

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In this study, a C-C bond-linked triazole-fused oxadiazole energetic compound, 4-amino-5-(4-amino-1,2,5-oxadiazol-3-yl)-2,4-dihydro-3H-1,2,4-triazol-3-one (1), was successfully designed and efficiently synthesized. Following nitration, a functional group-modified nitramine energetic compound (2) was obtained, and its energetic ionic salt (3) was further prepared. A comprehensive characterization of the structures of these three compounds was conducted, resulting in the successful elucidation of the single-crystal structures of compound 2·Ca2+·6H2O and compound 3·MeOH. Compound 2 exhibited a po

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6

Cisterna, Jonathan, Catherine Araneda, Pilar Narea, Alejandro Cárdenas, Jaime Llanos, and Iván Brito. "The Positional Isomeric Effect on the Structural Diversity of Cd(II) Coordination Polymers, Using Flexible Positional Isomeric Ligands Containing Pyridyl, Triazole, and Carboxylate Fragments." Molecules 23, no. 10 (2018): 2634. http://dx.doi.org/10.3390/molecules23102634.

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To systematically investigate the influence of the positional isomeric effect on the structures of polymer complexes, we prepared two new polymers containing the two positional isomers ethyl 5-methyl-1-(pyridin-3-yl)-1H-1,2,3-triazole-3-carboxylate (L1) and ethyl-5-methyl-1-(pyridin-3-yl)-1H-1,2,3-triazole-4-carboxylate (L2), as well as Cd(II) ions. The structures of the metal–organic frameworks were determined by a single crystal XRD analysis. The compound [Cd(L1)2·4H2O] (1), is a hydrogen bond-induced coordination polymer, whereas the compound [Cd(L2)4·5H2O]n (2) is a three-dimensional (3-D)

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7

Yang, En-Cui, Qing-Qing Liang, Xiu-Guang Wang, and Xiao-Jun Zhao. "Two Novel Triazole-Based Metal - Organic Frameworks Consolidated by a Flexible Dicarboxylate Co-ligand: Hydrothermal Synthesis, Crystal Structure, and Luminescence Properties." Australian Journal of Chemistry 61, no. 10 (2008): 813. http://dx.doi.org/10.1071/ch08147.

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To explore the effects of a co-ligand on the construction of mixed-ligand metal–organic frameworks (MOFs), two new triazole-based complexes with a flexible dicarboxylate as a co-ligand, {[Zn4(trz)4(gt)2(H2O)2](H2O)2}n 1 and {[Cd2(trz)2(gt)(H2O)2](H2O)4}n 2 (Htrz = 1,2,4-triazole; H2gt = glutaric acid), were synthesized and their structures were fully characterized by elemental analyses, IR spectroscopy, and single-crystal X-ray crystallography. Their thermal stability and luminescence emissions were further investigated to establish their structure–property relationship. Crystal structure dete

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8

Wang, Xi, and Ya-Mei Guo. "Diverse Structures and Physicochemical Properties of Four Zinc–Tripyridyltriazole Coordination Polymers Regulated by Counter-Ions." Australian Journal of Chemistry 69, no. 1 (2016): 33. http://dx.doi.org/10.1071/ch15180.

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Four distinct ZnII coordination polymers [Zn(L5)Cl2]n (1), [Zn(L5)I2]n (2), {[Zn(L5)(N3)2](H2O)2}n (3), and {[Zn(L5)2(H2O)](ClO4)2(CH3OH)}n (4) were prepared by assembling a multidentate tripyridyltriazole building block 3-(2-pyridyl)-4-(4-pyridyl)-5-(3-pyridyl)-1,2,4-triazole (L5) with different ZnII salts. Compounds 1, 2 and 4 display distinguishing 1D chain-like coordination patterns whereas 3 reveals a 2D uninodal four-connected network, which can be well regulated by different counter-ions. Further, the building tecton L5 exhibits multiple conformations in these structures. The structural

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9

Jin, Xinghui, Bingcheng Hu, Huanqing Jia, Zuliang Liu, and Chunxu Lu. "Structure, Thermal Behaviour, and Energetic Properties of 4-Amino-1,2,4-triazole Dinitroguanidine Salt." Australian Journal of Chemistry 67, no. 2 (2014): 277. http://dx.doi.org/10.1071/ch13426.

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A novel nitrogen-rich energetic compound 4-amino-1,2,4-triazole dinitroguanidine salt (4-ATDNG) was synthesized and fully characterized. Its crystal, thermal behaviour, and detonation properties were investigated by X-ray diffraction, thermogravimetry-derivative thermogravimetry-differential scanning calorimetry (TG-DTG-DSC) coupling system, and the Kamlet–Jacobs equation. In view of the obtained values such as the critical temperature of thermal explosion (Tb, 186.36°C), entropy of activation (ΔS≠, 60.22 J mol–1 k–1), enthalpy of activation (ΔH≠, 143.24 kJ mol–1), free energy of activation (Δ

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10

Qurratul, Ain, Prakash Pandey Om, and Kumar Sengupta Soumitra. "Synthesis, spectral characterization, thermal and antimicrobial studies of neodymium(III) and samarium(III) complexes with 1,2,4-triazole Schiff bases." Journal of Indian Chemical Society Vol. 91, Oct 2014 (2014): 1899–907. https://doi.org/10.5281/zenodo.5733854.

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Chemistry Department, D. D. U. Gorakhpur University, Gorakhpur-273 009, Uttar Pradesh, India <em>E-mail</em> : sengupta@hotmail.co.uk <em>Manuscript received online 03 April 2014, accepted 27 May 2014</em> A series of metal complexes of Nd<sup>III</sup> and Sm<sup>III</sup> of type [Ln(L)Cl(H<sub>2</sub>O)<sub>2</sub> ] have been synthesized with some biologically active ligands (LH<sub>2</sub> ). These ligands were prepared by the reactions of 3-[2-(1<em>H</em>-indol-3-yl)ethyl]-5-hydrazinyl-4<em>H</em>-1,2,4-triazole-4-amine with aryl aldehyde/ketone. The structures of the complexes have bee

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11

Li, Wei, Chang-Hong Li, Ying-Qun Yang, and Heng-Feng Li. "Crystal structure, magnetic, fluorescent, electrochemical properties and thermal stability of a new copper(II) coordination polymer [Cu2(C5H4NCOO)2(C7H5N4)2]n." Zeitschrift für Naturforschung B 70, no. 4 (2015): 215–19. http://dx.doi.org/10.1515/znb-2014-0198.

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AbstractA new copper(II) coordination polymer [Cu2(C5H4NCOO)2(C7H5N4)2]n (1) has been synthesized with 4-pyridinecarboxylate and 3-(pyridin-2-yl)-1,2,4-triazolyl ligands. The crystal structure shows that two neighboring copper(II) ions are coordinated with two deprotonated (anionic) 3-(pyridin-2-yl)-1,2,4-triazole ligands to form a binuclear structure. Adjacent binuclear units are linked by 4-pyridinecarboxylate anions to form a three-dimensional network structure. The magnetic, fluorescent, and electrochemical properties and thermal stability of 1 were studied. The results show that 1 exhibit

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12

Крупнова, И. А., Г. Т. Суханов, К. К. Босов, А. Г. Суханова, Ю. В. Филиппова, and Е. В. Пивоварова. "SYNTHESIS AND PROPERTIES OF NEW IONIC SALT BASED ON 1-n-BUTYL-1,2,4-TRIAZOLE AND TRINITRORESORCINOL." Южно-Сибирский научный вестник, no. 6(52) (December 31, 2023): 278–81. http://dx.doi.org/10.25699/sssb.2023.52.6.041.

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В результате взаимодействия 1-n-бутил-1,2,4-триазола с тринитрорезорцином было получено ионное соединение – 1,3-гидрокси-2,4,6-тринитрофенолат-1-бутил-1H-[1,2,4]триазол-4-ия, в котором в качестве катиона выступает 1-n-бутил-1,2,4-триазолия, а аниона – 1,3-гидрокси-2,4,6-тринитрофенолат-анион. Структура целевого соединения подтверждена спектральными методами анализа: 1Н и 13С ЯМР-спектроскопией. Методом ДСК изучены термические характеристики. Экспериментально показано, что полученная соль плавится с последующим двухэтапным разложением. An ionic compound, 1,3-hydroxy-2,4,6-trinitro-phenolate-1-b

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М.В., Комарова, Вакутин А.Г. та Козырев Н.В. "Термические свойства высокоэнергетических композиций на основе TEX". Южно-Сибирский научный вестник, № 5(57) (31 жовтня 2024): 92–97. http://dx.doi.org/10.25699/sssb.2024.57.5.014.

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В статье изложены результаты экспериментальных исследований термических свойств литьевых композиционных систем, содержащих плавкие высокоэнергетические материалы и кристаллическую составляющую. Методами термогравиметрического анализа и дифференциальной сканирующей калориметрии получены термические характеристики составов, включающих 4,10-динитро-2,6,8,12-тетраокса-4,10-диазатетрацикло[5.5.0.05,9.03,11]-додекан и расплавы 2,4-динитротолуола, 2,4- динитразапентана, 2,4,6-тринитротолуола, динитрата диэтанолнитрамина, 3,4-бис(4-фуразанил)фуроксана, этоксиметил-3-нитро-1,2,4-триазола, третбутил-3-н

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Wu, Bi-Dong, Yan-Gang Bi, Ming-Rui Zhou, et al. "Stable High-Nitrogen Energetic Trinuclear Compounds based on 4-Amino-3, 5-dimethyl-1, 2, 4-triazole: Synthesis, Structures, Thermal and Explosive Properties." Zeitschrift für anorganische und allgemeine Chemie 640, no. 7 (2013): 1467–73. http://dx.doi.org/10.1002/zaac.201300446.

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15

Prozorova, Galina F., and Alexander S. Pozdnyakov. "Proton-Conducting Polymeric Membranes Based on 1,2,4-Triazole." Membranes 13, no. 2 (2023): 169. http://dx.doi.org/10.3390/membranes13020169.

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In this review, a comparative analysis of the literature and our own results obtained in the study of the physicochemical, dielectric, and proton-conducting properties of composite polymer materials based on 1H-1,2,4-triazole has been carried out. It has been established that 1H-1,2,4-triazole and homopolymers and copolymers of 1-vinyl-1,2,4-triazole are promising for the development of proton-conducting fuel cell membranes. They significantly improve the basic characteristics of electrolyte membranes, increase their film-forming ability, increase thermal stability up to 300–330 °C, increase t

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Liu, Haiyan, Xufeng Meng, Lihui Zhang, and Anqiang Jia. "Urothermal Syntheses, Crystal Structures, and Luminescent Properties of Two New ZnII Compounds Constructed by the Mixed Ligands of 1,2,4-Triazole and 1,4-Naphthalenedicarboxylic Acid or 2,6-Naphthalenedicarboxylic Acid." Australian Journal of Chemistry 68, no. 8 (2015): 1299. http://dx.doi.org/10.1071/ch14669.

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Under urothermal conditions, the self-assembly of ZnII ions, 1,2,3-triazole, and two isomeric dicarboxylate ligands (1,4-H2ndc and 2,6-H2ndc) afforded two new metal–organic frameworks, namely [Zn(1,4-ndc)0.5(taz)]n·n(e-urea) (1) and [Zn(2,6-ndc)0.5(taz)]n·n(H2O)·n(e-urea) (2) (1,4-H2ndc = 1,4-naphthalenedicarboxylic acid; 2,6-H2ndc = 2,6-naphthalenedicarboxylic acid; Htaz = 1,2,4-triazole; e-urea = ethyleneurea), which were further determined by single-crystal X-ray diffraction analyses, elemental analyses, powder X-ray diffraction analyses, and IR spectra. Compound 1 features a 3D pillar-laye

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Zhang, Tong, Zhen Zhao, Yao Tang, Jing-Si Liu, Gui-Lin Huang, and Xi Liu. "A novel three-dimensional cadmium sulfate-based inorganic-organic hybrid polymer with green photoluminescence." Zeitschrift für Naturforschung B 76, no. 1 (2020): 79–84. http://dx.doi.org/10.1515/znb-2020-0160.

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Abstract Layer diffusion of 3,5-bis(4-pyridyl)-1H-1,2,4-triazole (BptH) in ethanol on an aqueous solution of cadmium sulfate leads to a novel three-dimensional cadmium sulfate-based inorganic-organic hybrid polymer (IOHP), CdSO4(H2O)(BptH)·1.5H2O (1). Its structure was determined by single-crystal X-ray diffraction (SCXRD), and further characterized by elemental analysis, powder X-ray diffraction (PXRD), infrared spectra (IR), and thermogravimetric (TG) analysis. IOHP 1 exhibits a novel 2-nodal 3,5-connected nanoporous structure formed by BptH ligands connecting 2D neutral inorganic cadmium su

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Ahmed Rasheed Al-qasii, Nada, Ali Taleb Bader, and Zaied Mosaa. "Synthesis and Characterization of a Novel Azo-Dye Schiff Base and Its Metal Ion Complexes Based on 1,2,4-Triazole Derivatives." Indonesian Journal of Chemistry 23, no. 6 (2023): 1555. http://dx.doi.org/10.22146/ijc.83509.

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The study focused on producing and examining the properties of the 2-(((3-mercapto-5-(4-nitrophenyl)-4H-1,2,4-triazol-4-yl)imino)methyl)-4-(((4-mercaptophenyl) diazenyl)phenol) ligand (L) and its complexes with three transition metal ions, namely Ni(II), Co(II), and Cu(II). The ligand was formed through diazotization and coupling reactions between 4-aminobenzenethiol and a coupling Schiff base derived from 1,2,4-triazole. The characterization of the ligand and its metal ion complexes was carried out using analytical techniques such as FTIR, 1H- and 13C-NMR, UV-visible spectroscopy, and thermal

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19

Zhao, Yongting, and Yiming Xie. "High CO2 Adsorption Enthalpy Enabled by Uncoordinated N-Heteroatom Sites of a 3D Metal-Organic Framework." Journal of Chemistry 2019 (December 21, 2019): 1–5. http://dx.doi.org/10.1155/2019/4712807.

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A 3D metal-organic framework (MOF), Mn2L2(H2O)2 · (DMF) {H2L = 5- (Pyridin-2-yl)-3, 3′-bi (1H-1,2,4-triazole)} (1) with uncoordinated N-heteroatom sites, has been obtained through hydrothermal method and structurally characterized by X-ray structural analysis, powder X-ray diffraction (PXRD), and thermal analysis (TGA). The framework of compound 1 exhibits fascinating adsorption properties and shows high adsorption enthalpy of CO2. The experimental results prove which uncoordinated nitrogen heteroatom sites can markedly increase the reciprocity between host frame and CO2 at room temperature.

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Malook, M. V., O. S. Matrosov, S. M. Kramarev, and O. V. Shtemenko. "New nitrification inhibitors based on copper(II) complex compounds." Voprosy Khimii i Khimicheskoi Tekhnologii, no. 3 (June 2023): 94–102. http://dx.doi.org/10.32434/0321-4095-2023-148-3-94-102.

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The work presents the results of research aimed at the synthesis of new nitrification inhibitors based on complex compounds of Cu2+ with 4-amino-1,2,4-triazole (ATC) and dicyandiamide (DCD). The purpose of the conducted work is the synthesis of new nitrification inhibitors based on complex copper compounds followed with subsequent studies of their structure, properties and biological activity. Four compounds of different compositions were obtained. A number of physical and chemical properties of substances were established: thermal behavior, and solubility in the KAS-28 system (a saturated sol

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Bayrak, Fatih, Ayhan Oral, and Kadir Ay. "Synthesis and characterization of novel 1,2,3-triazole-bridged oxime polyurethanes obtained from an isomannide derivative." Macedonian Journal of Chemistry and Chemical Engineering 40, no. 1 (2021): 67. http://dx.doi.org/10.20450/mjcce.2021.2220.

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Polyurethanes (PUs) are synthesized by the reaction of diisocyanates and diols and are widely used in furniture foams, thermal insulation, coatings, and adhesives. In this work, a 1,2,3-triazole-bridged dioxime (compound 6) as a diol source was synthesized from isomannide via tosylation, azidation, and cyclization-addition and used in the syntheses of new PUs. A new carbohydrate-based linear P-1 was synthesized by the reaction of 6 and 1,6-hexamethylene diisocyanate (1,6-HMDI). Besides, three new linear PUs (P-2, P-3, and P-4) were synthesized by the reaction of 6, isomannide compound (used in

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Bartual-Murgui, C., E. Natividad, and O. Roubeau. "Critical assessment of the nature and properties of Fe(ii) triazole-based spin-crossover nanoparticles." Journal of Materials Chemistry C 3, no. 30 (2015): 7916–24. http://dx.doi.org/10.1039/c5tc01174d.

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Nanoparticles of the compound [Fe(Htrz)<sub>2</sub>trz]BF<sub>4</sub> are shown to have a rod shape. Their size is found to control the width of the thermal hysteresis displayed in the spin crossover of this material, while the removal of surfactant results systematically in a reduction of the hysteresis width, by up to 16 K, both effects being original and important for potential applications.

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Balasubramanian, R., K. Kumutha, and M. Sarojadevi. "Mechanical, thermal and electrical properties of polyimides containing 1, 2, 3-triazole ring prepared by click reaction." Polymer Bulletin 73, no. 2 (2015): 309–30. http://dx.doi.org/10.1007/s00289-015-1488-z.

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Li, Hongya, Biao Yan, Haixia Ma, Xiangrong Ma, Zhiyong Sun, and Yajun Ma. "Crystal structure, thermal properties and detonation characterization of bis(5-amino-1,2,4-triazol-4-ium-3-yl)methane dinitrate." Acta Crystallographica Section C Structural Chemistry 76, no. 10 (2020): 965–71. http://dx.doi.org/10.1107/s2053229620012516.

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Bis(5-amino-1,2,4-triazol-4-ium-3-yl)methane dinitrate, BATZM·(NO3)2 or C5H10N8 2+·2NO3 −, was synthesized and its crystal structure determined by single-crystal X-ray diffraction. It crystallizes in the space group Pbcn (orthorhombic) with Z = 4. BATZM·(NO3)2 is a V-shaped molecule where hydrogen bonds form a two-dimensional corrugated sheet with reasonable chemical geometry and no disorder. The specific molar heat capacity (C p,m) of BATZM·(NO3)2 was determined using the continuous C p mode of a microcalorimeter and theoretical calculations, and the C p,m value is 366.14 J K−1 mol−1 at 298.1

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Bergedahl, Markus, Pilar Narea, Jaime Llanos, et al. "Synthesis, Crystal Structures, Hirshfeld Surface Analysis, Computational Investigations, Thermal Properties, and Electrochemical Analysis of Two New Cu(II) and Co(II) Coordination Polymers with the Ligand 5-Methyl-1-(pyridine-4-yl-methyl)-1H-1,2,3-triazole-4-carboxylate." International Journal of Molecular Sciences 26, no. 4 (2025): 1671. https://doi.org/10.3390/ijms26041671.

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Two new Cu(II) (CP1) and Co(II) (CP2) coordination polymers (CPs) with the triazole ligand 5-methyl-1-(pyridin-4-yl-methyl)-1H-1,2,3-triazole-4-carboxylate (L1) have been synthesized and structurally characterized by SCXRD (Single Crystal X-Ray Difraccion), PXRD (Power X-Ray Difracction), FT-IR (Fourier Transform Infrared), TG (Theermo Gravimetric), and electrochemical techniques. Both CPs were obtained at the water/n-butanol interface by reacting nitrate salts of each metal with the NaL1 ligand. SCXRD analysis revealed that CP1 (Coordination Polymer 1) and CP2 (Coordination Polymer 2) crystal

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Zhang, Jing, Feng Tian, Ze-Feng Xia, Sheng-Chun Chen, Ming-Yang He, and Qun Chen. "Ph-Directed Assembly of Two 2D Copper(II) Coordination Polymers Based on Mixed Benzenetetracarboxylate and 1,4-bis(1,2,4-triazole-1-ylmethyl)-2,3,5,6-Tetrafluorobenzene Ligands: Syntheses, Structures and Properties." Journal of Chemical Research 42, no. 2 (2018): 100–104. http://dx.doi.org/10.3184/174751918x15190383903708.

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Two new Cu(II) coordination polymers [Cu(Fbtx)(H2btec)(H2O)2]n and {[Cu(Fbtx)(btec)0.5(H2O)2]·H2O}n have been synthesised by hydrothermal reactions of Cu(II) nitrate with 1,4-bis(1,2,4-triazole-1-ylmethyl)-2,3,5,6-tetrafluorobenzene (Fbtx) and 1,2,4,5-benzenetetracarboxylic acid (H4btec) under different pH conditions. The first complex has a two-dimensional four-connected layer structure with a 44-sql topology, whereas the second has a two-dimensional three-connected brick-wall network. The luminescence properties of the complexes in the solid state and their thermal stabilities have also been

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Rehman, Suriya, Seyda T. Gunday, Zainab H. Alsalem, and Ayhan Bozkurt. "Synthesis and Characterization of Novel Azole Functionalized Poly(glycidyl methacrylate)s for Antibacterial and Anticandidal Activity." Current Organic Synthesis 16, no. 7 (2019): 1002–9. http://dx.doi.org/10.2174/1385272823666190828112113.

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Background: Presently, rise in the infectious diseases and subsequent development of drug resistance, is a global threat to human health. However, much efforts are being made by scientists, to develop novel antimicrobials, and also to improve the efficacy of available drugs, in order to combat the lifethreatening infections. Objective: Synthesis and characterization of azole functional polymer systems for antimicrobial applications. Materials and Methods: Poly(glycidyl methacrylate) (PGMA), was produced by free radical polymerization of the monomer, glycidyl methacrylate (GMA). Different azole

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Wang, Xia, Ning Ling, Hanbing Li, Xiaohe Xiao, and Yawen Zhang. "Synthesis, crystal structure and biological properties of Cd and Zn coordination polymers based on a flexible tripodal ligand." Acta Crystallographica Section C Structural Chemistry 75, no. 7 (2019): 1002–10. http://dx.doi.org/10.1107/s2053229619008714.

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Two new coordination polymers, namely poly[[hexathiocyanatotetrakis{μ3-2,4,6-trimethyl-1,3,5-tris[(triazol-1-yl)methyl]benzene}tricadmium(II)] 3.5-hydrate], {[Cd3(SCN)6(C18H21N9)4]·3.5H2O} n (1), and poly[[hexathiocyanatotetrakis{μ3-2,4,6-trimethyl-1,3,5-tris[(triazol-1-yl)methyl]benzene}trizinc(II)] 3.5-hydrate], {[Zn3(SCN)6(C18H21N9)4]·3.5H2O} n (2), have been synthesized under hydrothermal conditions and characterized by elemental analysis, IR spectroscopy and single-crystal X-ray diffraction analysis. From the X-ray analysis, it is noteworthy that polymers 1 and 2 are isostructural, with t

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Guodong, Wang, Liu Yucun, Liu Guoqing, Jing Suming, and Liao Longyu. "Synthesis, Crystal Structure and Thermal Decomposition of a New Energetic Potassium Salt of dihydridobis(3-nitro-1,2,4-triazolyl) Borate." Current Organic Chemistry 24, no. 9 (2020): 1042–47. http://dx.doi.org/10.2174/1385272824999200515093531.

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A new energetic organic potassium salt of dihydridobis (3-nitro-1,2,4-triazolyl) borate was synthesized from 3-nitro-1,2,4-triazole and potassium borohydride at 110 °C, and structurally characterized by elemental analysis, IR spectra, 13C NMR and singlecrystal X-ray diffraction. Results show that the crystal belongs to monoclinic system with space group of p21 / C and cell parameters of a = 10.335 (8) Å, B = 10.812 (8) Å, C = 9.821 (8) Å, α = 90 ˚, β = 106.470 (13), γ = 90 °, z = 4. Its crystal density is 1.755g/cm3. Thermal properties were studied with TG-DTA and DSC. There was only one sharp

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Pozdnyakov, Alexander S., Artem I. Emel’yanov, Nadezhda P. Kuznetsova, et al. "Synthesis and Characterization of Silver-Containing Nanocomposites Based on 1-Vinyl-1,2,4-triazole and Acrylonitrile Copolymer." Journal of Nanomaterials 2019 (February 4, 2019): 1–7. http://dx.doi.org/10.1155/2019/4895192.

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Insoluble silver-containing nanocomposites based on 1-vinyl-1,2,4-triazole and acrylonitrile copolymer was synthesized and characterized by scanning electron microscopy, Fourier transform infrared spectroscopy, atomic absorption, X-ray diffraction, and thermogravimetric data analysis. The silver content of the nanocomposites varied from 8.0 to 23.5% (the silver content depends on the ratio of the copolymer-silver salt). Synthesis of silver nanocomposites was carried out by thermal treatment of a polymer complex of copolymer-silver salt without the use of an additional reducing agent. X-ray dif

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Wei, Lu-Lu, Lin-Ke Li, Li-Yan Fan, Chang-Hong Wang, and Hong-Wei Hou. "Syntheses, Crystal Structures, and Properties of Six Coordination Complexes Based on a Newly Designed Mercapto-thiadiazole Ligand." Australian Journal of Chemistry 67, no. 2 (2014): 241. http://dx.doi.org/10.1071/ch13417.

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Six coordination complexes were solvothermally synthesised: a 3D framework [Cd(tmtt)2]n (1), 2D architectures [Zn(tmtt)2]n (2) and [Pb(tmtt)2]n (3), 1D chain structures [Ni(tmtt)2·(H2O)2]n (4) and [Co(tmtt)2·(H2O)2]n (5), and a mononuclear structure [Hg(tmtt)2] (6). The complexes, based on self-assembly of different metal ions with a newly designed mercapto-thiadiazole ligand tmttH (tmttH = 5-[(1H-1,2,4-triazol-1-yl)methyl]-1,3,4-thiadiazole-2(3H)-thione), were characterised by single crystal X-ray diffraction analyses. Crystal structure analyses reveal that complex 1 exhibits a four-fold inte

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Echeverría, Coro, Miguel Rubio, and Daniel López. "Thermo-Reversible Hybrid Gels Formed from the Combination of Isotactic Polystyrene and [Fe(II) (4-Octadecyl-1,2,4-Triazole)3(ClO4)2]n Metallo-Organic Polymer: Thermal and Viscoelastic Properties." Polymers 11, no. 6 (2019): 957. http://dx.doi.org/10.3390/polym11060957.

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Nano-sized one-dimensional metallo-organic polymers, characterized by the phenomenon of spin transition, are excellent candidates for advanced technological applications such as optical sensors, storage, and information processing devices. However, the main drawback of this type of polymers is their fragile mechanical properties, which hinders its processing and handling, and makes their practical use unfeasible. To overcome this problem, in this work, hybrid thermo-reversible gels are synthesized by combination of a metallo-organic polymer and isotactic polystyrene (iPS) in cis-decaline. A de

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Jiang, Li-Ting, Xiang Chang, Sheng-Chun Chen, Xue-Jun Feng, and Qun Chen. "Supramolecular assembly of two copper(II) coordination compounds of topiroxostat with dialkylformamide ligands." Zeitschrift für Naturforschung B 74, no. 6 (2019): 479–84. http://dx.doi.org/10.1515/znb-2019-0011.

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AbstractA well-known selective xanthine oxidase inhibitor topiroxostat, 4-[3-(4-pyridinyl)-1H-1,2,4-triazol-5-yl]-2-pyridinecarbonitrile (ptpc), was selected to react with Cu(NO3)2 · 3H2O in dialkylformamide solvents, affording two novel supramolecular coordination compounds [Cu(ptpc)2(NO3)(DMF)2] · NO3 (1) and Cu(ptpc)2(NO3)2(DEF)2 (2). Single-crystal X-ray diffraction revealed that compound 1 crystallizes in the monoclinic space group C2/c. The components are assembled to a 3D supramolecular framework through hydrogen-bonding interactions between the large [Cu(ptpc)2(NO3)(DMF)2]+ cationic mo

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Li, Hongya, Biao Yan, Haixia Ma, Xiangrong Ma, Zhiyong Sun, and Yajun Ma. "Crystal structure, thermal properties and detonation characterization of bis(5-amino-1,2,4-triazol-4-ium-3-yl)methane dichloride." Acta Crystallographica Section C Structural Chemistry 76, no. 8 (2020): 821–27. http://dx.doi.org/10.1107/s2053229620009924.

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Bis(5-amino-1,2,4-triazol-4-ium-3-yl)methane dichloride (BATZM·Cl2 or C5H10N8 2+·2Cl−) was synthesized and crystallized, and the crystal structure was characterized by single-crystal X-ray diffraction; it belongs to the space group C2/c (monoclinic) with Z = 4. The structure of BATZM·Cl2 can be described as a V-shaped molecule with reasonable chemical geometry and no disorder, and its one-dimensional structure can be described as a rhombic helix. The specific molar heat capacity (Cp ,m) of BATZM·Cl2 was determined using the continuous C p mode of a microcalorimeter and theoretical calculations

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Wu, Bi-Dong, Tong-Lai Zhang, Yu-Lu Li, Zun-Ning Zhou, Li Yang, and Jian-Guo Zhang. "Preparation, crystal structure, thermal decomposition and explosive properties of the novel compound [Mg(H2O)6](ATZ)2(PA)2 (ATZ = 4-Amino-1,2,4-triazole and PA = Picrate)." Main Group Chemistry 12, no. 3 (2013): 185–95. http://dx.doi.org/10.3233/mgc-130098.

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36

Wang, Dawei, Ning Zhao, Tao Wang, Changfu Zhuang, Ying Wang, and Bin Yang. "Crystal Structure, Spectroscopy and Photocatalytic Properties of a Co(II) Complex Based on 5-(1,2,4-triazol-1-yl)pyridine-3-carboxylic Acid." Crystals 10, no. 2 (2020): 98. http://dx.doi.org/10.3390/cryst10020098.

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A novel cobalt(II) complex, namely [Co(tpa)2(H2O)4]·2H2O (1) (Htpa = 5-(1,2,4-triazol-1-yl)pyridine-3-carboxylic acid) has been solvothermally synthesized and structurally characterized by single-crystal X-ray diffraction. Complex 1 was further characterized by elemental analysis, FTIR spectrum, electronic spectrum, X-ray powder diffraction and thermal gravimetric analysis. Structural analysis shows that complex 1 was stabilized via π···π stacking and hydrogen bonding interactions to give a 3D supramolecular framework. Hirshfeld surface analysis showed that O···H (29.5%), H···H (23.8%), N···H

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37

BEYTUR, Murat, and Haydar YUKSEK. "In Silico Calculations of 2-Methoxy-6-[(3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-4-yl)-iminomethyl] Phenyl Benzoate." Eurasia Proceedings of Science Technology Engineering and Mathematics 15 (December 31, 2021): 54–62. http://dx.doi.org/10.55549/epstem.1055598.

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Schiff's bases are significant compound for organic chemistry. In the last year, computational properties of Schiff bases were examined on a computer. In this study, we investigated theoretical features of 2-methoxy-6-[(3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-4-yl)-iminomethyl] phenyl benzoate with B3LYP/6-311G(d) basis set. All quantum chemical calculations were carried out using the Gaussian09W program package and the Gauss View molecular visualization program. The IR vibrational frequency values of the titled compound were calculated using B3LYP/6-311G(d) basis set. The vibrational spec

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Shu, Si, Yun-Fei Jian, Tong Zhang, Wen-Long Guo, and Xi Liu. "A novel three-dimensional copper aspartate coordination compound with efficient photoluminescence." Zeitschrift für Naturforschung B 75, no. 3 (2020): 281–86. http://dx.doi.org/10.1515/znb-2019-0156.

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AbstractSolvothermal reaction of a copper salt, racemic aspartic acid (AspH3), and 1,2,4-triazole (TaH) leads to a nanoporous copper aspartate, Cu4(Asp)2(Ta)2(H2O)2 · 2H2O (1). The compound was characterized by FT-IR spectroscopy and elemental analysis, and the structure was determined by single-crystal X-ray diffraction. Pairs of l-Asp3− and d-Asp3− ligands in unprecedented μ4-1,2κO:3,4κOκN coordination modes chelate pairs of adjacent copper cations to form a centrosymmetric 8n-membered rectangular pipe, and these pipes are further bridged by copper cations in four directions of the bc plane

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39

Jin, Yijie, Manjusha Joshi, Takuma Araki, et al. "Click Synthesis of Triazole Polymers Based on Lignin-Derived Metabolic Intermediate and Their Strong Adhesive Properties to Cu Plate." Polymers 15, no. 6 (2023): 1349. http://dx.doi.org/10.3390/polym15061349.

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2-Pyrone-4,6-dicarboxylic acid (PDC) is a chemically stable metabolic intermediate of lignin that can be produced on a large scale by transforming bacteria. Novel biomass-based polymers based on PDC were synthesized by Cu(I)-catalyzed azide-alkyne cycloaddition (CuAAC) and fully characterized by nuclear magnetic resonance, infrared spectroscopies, thermal analysis, and tensile lap shear strength measurements. The onset decomposition temperatures of these PDC-based polymers were all above 200 °C. In addition, the PDC-based polymers exhibited strong adhesive properties to various metal plates, w

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40

Sugiyarto, KH, DC Craig, AD Rae, and HA Goodwin. "Structural and Electronic Properties of Iron(II) and Nickel(II) Complexes of 2-Triazolyl-1,10-phenanthroline Derivatives." Australian Journal of Chemistry 49, no. 4 (1996): 505. http://dx.doi.org/10.1071/ch9960505.

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Salts of the [FeN6]2+ derivatives of the tridentate systems 2-(triazol-3-yl)-1,10-phenanthroline, 2-(1-methyltriazol-3-yl)-1,10-phenanthroline, 2-(5-methyltriazol-3-yl)-1,10-phenanthroline and 2-(1,5-dimethyltriazol-3-yl)-1,10-phenanthroline undergo temperature-induced singlet (1A1) ↔ quintet (5T2) transitions in both the solid state and in solution. Both the nature of the associated anion and the extent of solvation of the salts influence the extent of the transition in solid samples. The solution behaviour has been interpreted in terms of a simple thermal equilibrium involving the two spin s

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41

Al-Khodir, Fatima A. I., Hana M. A. Abumelha, Tarfah Al-Warhi, and S. A. Al-Issa. "New Platinum(IV) and Palladium(II) Transition Metal Complexes of s-Triazine Derivative: Synthesis, Spectral, and Anticancer Agents Studies." BioMed Research International 2019 (February 17, 2019): 1–14. http://dx.doi.org/10.1155/2019/9835745.

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New Pd(II) and Pt(IV) triazine complexes [Pt3(L1)2(Cl)9(H2O)3].3Cl.3H2O (1), [Pt3(L2)2(Cl)9(H2O)3].3Cl (2), [Pt3(L3)2(Cl)9(H2O)3].3Cl (3), [Pt2(L4)2(Cl)6(H2O)2] .2Cl.4H2O (4), [Pd3(L1)2(H2O)6] .3Cl2(5), [Pd3(L2)2(H2O)6].3Cl2(6), [Pd3(L3)2(H2O)6].3Cl2(7), and [Pd2(L4)2(H2O)4].2Cl2(8) were synthesized and well characterized using elemental analyses, molar conductance, IR, UV-Vis, magnetic susceptibility,1H,13C-NMR spectra, and thermal analyses. These analyses deduced that theL1,L2,andL3ligands act as tridentate forming octahedral geometry with Pt(IV) metal ions and square planar geometry in case

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42

Mohammed Alsuhaibani, Amnah, Abdel Majid A. Adam, Moamen S. Refat, Mohamed I. Kobeasy, Safyah B. Bakare, and Eman Salah Bushara. "Spectroscopic, thermal, and anticancer investigations of new cobalt(II) and nickel(II) triazine complexes." Bulletin of the Chemical Society of Ethiopia 37, no. 5 (2023): 1151–62. http://dx.doi.org/10.4314/bcse.v37i5.8.

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ABSTRACT. The condensation of thiosemicarbazide with oxazolidinone produced 5-benzylidene-3-(4-chloro-phenyl)-6-oxo-5,6-dihydro-1H-[1,2,4]triazine-2-carbothioic acid amide (HL1). Co(II) and Ni(II) ions were reacted with the HL1 ligand. Elemental analysis and molar conductivity, along with mass, 1H-NMR, IR, UV-Vis, and X-ray powder diffraction spectral examinations, were used to reveal the chemical structure of the synthesized complexes. The stoichiometry of the complexes was determined to be 1:2 (metallic: moiety) using analytical, spectroscopic, and thermal data. The thermal properties of the

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43

Jo, Seunghyeon, Sangwook Park, Hyukmin Kwon, Hayoon Lee, Kiho Lee, and Jongwook Park. "Synthesis and Electrical Properties of a New Bipolar Material Using Spacer Moiety." Applied Sciences 14, no. 9 (2024): 3593. http://dx.doi.org/10.3390/app14093593.

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To develop a deep-blue emitter, a molecule with bipolar characteristics was designed as a donor-spacer-acceptor type, in which 9-(4-(4,6-diphenyl-1),3,5-triazin-2-yl)-2,5-dimethylphenyl)-9H-carbazole (DTPCZ)—with carbazole as an electron donating group and a diphenyl triazine moiety as an electron accepting group—was successfully synthesized. The photoluminescence (PL) maxima of DTPCZ were 421 nm in the solution state and 425 nm in the film state, indicating emission in the deep-blue region. DTPCZ also exhibited high thermal stability, with a degradation temperature of 349 °C. To confirm the e

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44

Kashina, Anna V., Tamara K. Meleshko, Natalia N. Bogorad, Viktor K. Lavrentyev та Alexander V. Yakimansky. "Molecular Brushes with a Polyimide Backbone and Poly(ε-Caprolactone) Side Chains by the Combination of ATRP, ROP, and CuAAC". Polymers 13, № 19 (2021): 3312. http://dx.doi.org/10.3390/polym13193312.

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An approach to the synthesis of the novel molecular brushes with a polyimide (PI) backbone and poly(ε-caprolactone) (PCL) side chains was developed. To obtain such copolymers, a combination of various synthesis methods was used, including polycondensation, atom transfer radical polymerization (ATRP), ring opening polymerization (ROP), and Cu (I)-catalyzed azide-alkyne Huisgen cycloaddition (CuAAC). ATRP of 2-hydroxyethyl methacrylate (HEMA) on PI macroinitiator followed by ROP of ε-caprolactone (CL) provided a “brush on brush” structure PI-g-(PHEMA-g-PCL). For the synthesis of PI-g-PCL two syn

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Li, De, Liping Yu, Lifen Li, et al. "Melamine–Urea–Formaldehyde Resin Adhesive Modified with Recycling Lignin: Preparation, Structures and Properties." Forests 14, no. 8 (2023): 1625. http://dx.doi.org/10.3390/f14081625.

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The wettability, bonding strength and flexibility of modified melamine–urea–formaldehyde resin adhesive with hydroxymethyl lignin (LMUF) were investigated. Moreover, the curing performance, thermal properties and chemical structure of LMUF were analyzed by differential scanning calorimetry (DSC), thermogravimetry (TG), scanning electronmicroscopy (SEM), X–ray diffraction (XRD), Fourier–transform infrared spectroscopy (FTIR) and 13C nuclear magnetic resonance (13C–NMR). The synthesis mechanism of LMUF was also discussed. The results demonstrated that: (1) LMUF resin is characterized by low free

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46

Bhonsale, B. S., S. N. Kaula, B. V. Patel, and K. C. Patel. "Synthesis and Physico-Chemical Properties of Polycyanurates of 2-(N,N-Diphenylhydrazino)4,6-Dichloro-s-Triazine with Various Aromatic Diols." High Performance Polymers 5, no. 4 (1993): 307–16. http://dx.doi.org/10.1088/0954-0083/5/4/005.

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Various polycynaurates were synhesised by stirred interfacial polycondensation of 2-(N.N-diphenynhydrazino)-4,6-dichloro-s-triaziae (DPHDCT) with each of the aromatic diols: bisphenol-A (BPA); bisphenol-C (BPC); bisphenol-S (BPS); phenolphthalein (Ph); catechol; resorcinol; 1,5and 2.7-dihydroxynaphthalene (DHN-1,5 and DHN-2,7) and 1,8-dihydroxyanthraquinone (DHA-1,8). Interfacial polycondensation of DPHDCT with BPA was investigated in detail in order to select optimum reaction conditions. The yield of polycyanurates varies from 6 I% to 79%. The polycyanurates are soluble in chlorinated solvent

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47

Zhang, M. S., B. W. Sun, R. B. Fang, and Q. H. Zhao. "Crystal structure and thermal properties of novel Co(II) complexes with 2,6-pyridine-dicarboxylate containing infinite one-dimensional chain: [CoL1(H2O)4][Co(pydc)2]·2H2O and [Co(H2O)6]×[Co(pydc)2]L2·H2O (L1 = 1,3-bis(4-pyridyl)propane, L2 = 3-amino-1H-1,2,4-triazole, pydc = 2,6-pyridine-dicarboxylic acid)." Journal of Structural Chemistry 51, no. 6 (2010): 1145–51. http://dx.doi.org/10.1007/s10947-010-0174-0.

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Suhak, O. A., О. I. Panasenko, and Ye G. Knysh. "Synthesis, physic and chemical properties of 2-(4-R-5-(thiophene-2-ylmethyl)-4h-1,2,4-triazole-3-ylthio)acetate acids and their salts." Farmatsevtychnyi zhurnal, no. 2 (August 14, 2018): 48–54. http://dx.doi.org/10.32352/0367-3057.2.17.06.

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Derivatives of 1,2,4-triazole are inherent in various types of biological activity. They can be used as pesticide and medicinal drugs (anticonvulsants, analgetics, antitumor and antibacterial). In this regard the search of new methods of synthesis and investigation of biological activity of 2-(4-R-5-(thiophene-2-ylmethyl)-4H-1,2,4-triazole-3-ylthio)acetate acids and their salts is relevant nowadays. With the aim of finding the new biologically active compounds 2-(4-R-5-(thiophene-2-ylmethyl)-4H-1,2,4-triazole-3-ylthio)acetate acids and their salts are synthesized, where R is methyl, ethy

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49

Yun, Xiaoyun, Yuhan Xie, Jerome P. L. Ng, Betty Yuen Kwan Law, Vincent Kam Wai Wong, and Paolo Coghi. "2-Bromo-3-((1-(7-chloroquinolin-4-yl)-1H-1,2,3-triazol-4-yl)-methoxy)-benzaldehyde." Molbank 2022, no. 1 (2022): M1351. http://dx.doi.org/10.3390/m1351.

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The 1,2,3-triazole ring system can be easily obtained by copper-catalyzed click reaction of azides with alkynes. 1,2,3-Triazole exhibits a myriad of biological activities, including antimalarial, antibacterial, and antiviral activities. We herein reported the synthesis of quinoline-based [1,2,3]-triazole hybrid via Cu(I)-catalyzed click reaction of 4-azido-7-chloroquinoline with alkyne derivative of 2-bromobenzaldehyde. The compound was fully characterized by proton nuclear magnetic resonance (1H-NMR), carbon-13 nuclear magnetic resonance (13C-NMR), heteronuclear single quantum coherence (HSQC

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Pu, Chenyang, Zhi Wang, Boren Zheng, and Bin Zhang. "Thermal safety effect of three alkaline impurities on 1, 2, 4-triazole." Journal of Loss Prevention in the Process Industries 91 (October 2024): 105388. http://dx.doi.org/10.1016/j.jlp.2024.105388.

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