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Relevant bibliographies by topics / Phenolic ligands; 2

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Academic literature on the topic 'Phenolic ligands; 2'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Phenolic ligands; 2"

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Mamour, Sarr, Diop Mayoro, Thiam Elhadj Ibrahima, Gaye Mohamed, Barry Aliou Hamady та Javier Ellena. "{1-[1-(2-Hydroxyphenyl)ethylidene]-2-(pyridin-2-yl-κN)hydrazine-κ2 N′,O}{1-[1-(2-oxidophenyl)ethylidene]-2-(pyridin-2-yl-κN)hydrazine-κ2 N′,O}nickelate(II) nitrate hemihydrate". Acta Crystallographica Section E Crystallographic Communications 74, № 5 (2018): 642–45. http://dx.doi.org/10.1107/s2056989018005261.

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The 2-hydrazinopyridine precursor has been widely used to prepare ligands of various kinds by condensation with carbonyl compounds. These types of ligands are suitable for synthesizing novel transition metal (II) complexes with interesting magnetic properties. In this context we have synthesized the ligand 1-(2-hydroxyphenyl-2-ethylidene)-2-(pyridin-2-yl)hydrazine (HL) which was used in the preparation of the mononuclear title complex, [Ni(C13H12N3O)(C13H13N3O)]NO3·0.5H2O. As a result of the presence of HL and L in the [{Ni(HL)(L)}]+ unit, the complex appears to be a supramolecular dimer compo

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2

Liu, Yongchun, Zhengyin Yang, Kejun Zhang, Yun Wu, Jihua Zhu, and Tianlin Zhou. "Crystal Structures, Antioxidation, and DNA Binding Properties of SmIII Complexes." Australian Journal of Chemistry 64, no. 3 (2011): 345. http://dx.doi.org/10.1071/ch10302.

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The dinuclear SmIII complexes with 1:1 metal to ligand stoichiometry were prepared from Sm(NO3)3·6H2O and three anionic tetradentate Schiff-base ligands derived from 8-hydroxyquinoline-2-carboxyaldehyde with benzoylhydrazine, 2-hydroxybenzoylhydrazine, and isonicotinylhydrazine, respectively. All the ligands and complexes can bind strongly to calf thymus DNA through intercalation with the binding constants at 105–106 M–1, but complexes present stronger affinities to DNA than ligands. All the ligands and complexes have strong abilities of antioxidation, but complexes and ligands containing an a

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Kim, Yun Young, та Joseph M. Tanski. "Crystal structure of a rare trigonal bipyramidal titanium(IV) coordination complex: trichlorido(3,3′-di-tert-butyl-2′-hydroxy-5,5′,6,6′-tetramethyl-1,1′-biphenyl-2-olato-κO2)(tetrahydrofuran-κO)titanium(IV)". Acta Crystallographica Section E Crystallographic Communications 73, № 1 (2017): 88–91. http://dx.doi.org/10.1107/s2056989016020156.

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The title compound, [Ti(C24H33O2)Cl3(C4H8O)], is a rare example of a trigonal–bipyramidal titanium coordination complex with three chloride and two oxygen donor ligands. The asymmetric unit contains two independent molecules having essentially the same conformation. The molecules feature the titanium(IV) metal cation complexed with three chloride ligands, a tetrahydrofuran molecule, and one oxygen atom from the resolved ligand precursor (R)-(+)-5,5′,6,6′-tetramethyl-3,3′-di-t-butyl-1,1′-biphenyl-2,2′-diol, where the remaining phenolic hydrogen atom engages in intermolecular O—H...Cl hydrogen b

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Ayuba, Isiyaku, Tajo Siraj Ibrahim, Umar Maigari Aishatu, and Magaji Buhari. "Synthesis, characterization and anti-bacterial activity of Schiff Base and its mixed ligand complexes of Cr (II) and Co (II) containing vanillin and 2-aminophenol." Dutse Journal of Pure and Applied Sciences 7, no. 4a (2022): 98–104. http://dx.doi.org/10.4314/dujopas.v7i4a.11.

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Schiff Base are organic ligand that contained azomethine linkage (-HC=N-) which shows biological importance. Schiff Base from vanillin and 2-aminophenol was synthesized in 1:1 mole ratio. The complexes of Cr (II) and Co (II) from Schiff Base in 1:2 mole ratio metal-ligand (M-L) and the mixed ligand complexes from Schiff Base and 2-aminophenol in 1:1:1 mole ratio ligand-metal-ligand(L-M-L) were synthesized and characterized based on solubility, melting point, conductivity, Fourier transform infrared spectroscopy (FTIR) and ultraviolet (UV). The solubility result shows that, dimethyl sulfoxide(D

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Desalegn, Demise Sage. "Structural Elucidation of Cobalt (II) Complexes of 2-Imino-3-(2- hydroxyphenyl)-1-oxozolodin-4-one and Study of its Antimicrobial Relevance." Medicinal Chemistry 9, no. 2 (2019): 7. https://doi.org/10.4172/2161-0444.1000528.

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Complex of Co(II) with heterocyclic ligand [2-imino-3-(2-hydroxyphenyl)-1-oxazolodin-4-one] has been synthesized and characterized with the help of elemental analysis, magnetic, 1 H-NMR, 13C-NMR, IR and electronic spectral data. IR spectra exhibit the coordination of the ligands to the metal ion through deprotonated phenolic oxygen and heterocyclic nitrogen. All these studies reveal square planar geometry of Co (II) complexes. Synthesized compounds have also been screened against some micro-organisms viz. Escherichia coli, S. aureus, Aspergillus niger and R. bataticola by ‘paper disc&rsq

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Sunjuk, Mahmoud, Lana Al-Najjar, Majed Shtaiwi, et al. "Metal Complexes of Schiff Bases Prepared from Quinoline-3-Carbohydrazide with 2-Nitrobenzaldehyde, 2-Chlorobenzaldehyde and 2,4-Dihydroxybenzaldehyde: Structure and Biological Activity." Inorganics 11, no. 10 (2023): 412. http://dx.doi.org/10.3390/inorganics11100412.

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Three Schiff base ligands, NQ, CQ and HQ, were prepared from the reaction of quinoline-3-carbohydrazide with 2-nitrobenzaldehyde, 2-chlorobenzaldehyde and 2,4-dihydroxybenzaldehyde, respectively, and were investigated for their coordination to Cu (II), Ni(II), Co(II), Cd(II), Cr(III) and Fe(III) chlorides. The NQ preparation and the X-ray structure of NQ and CQ, as well as the transition metal complexes of NQ, CQ and HQ, were reported for the first time. FTIR, 1H-NMR, magnetic susceptibility and elemental analysis were used to study the coordination of ligands to the metal ions. Based on the m

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Mkwakwi, K., E. Hosten, R. Betz, A. Abrahams, and T. Madanhire. "The coordination behaviour of 2-((E)-(ferf-butylimino)methyl) phenol towards lanthanide nitrate and chloride salts." South African Journal of Chemistry 77 (2023): 36–41. http://dx.doi.org/10.17159/0379-4350/2023/v77a06.

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Five novel complexes were prepared by reacting 2-((E)-(tert-butylimino)methyl)phenol (HL2) with Ln(NO3)3xH2O (Ln = Gd and Dy ; x = 6 and 5, respectively) and LnCl3-6H2O (Ln = Nd, Gd and Dy). The crystal structures of the former two Ln(III) nitrate complexes are isostructural and the coordination sphere is composed of three monodentate HL2 ligands bonded to the metal centre through the phenolic oxygen atom and three nitrate ions coordinated in a bidentate fashion. Both complexes are nine-coordinate and SHAPE analysis reveals that they adopted a muffin polyhedra geometric type. The average Ln-On

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Lestari, Ayu Rahmania, Irmanida Batubara, Setyanto Tri Wahyudi, and Auliya Ilmiawati. "Phenolic Compound in Garlic (Allium sativum) and Black Garlic Potency as Antigout Using Molecular Docking Approach." Jurnal Kimia Sains dan Aplikasi 25, no. 7 (2022): 253–63. http://dx.doi.org/10.14710/jksa.25.7.253-263.

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Phenolics, including flavonoids, are bioactive components in garlic in relatively abundant amounts and are present 2–4 times more in black garlic. Both of these compounds are reported to have biological activity, with one of them acting as an antioxidant. However, its ability as an antigout is still not widely reported. Xanthine oxidase, adenine deaminase, guanine deaminase, purine nucleoside phosphorylase, and 5-Nucleotidase II are involved during the production of uric acid and causes gout. This study predicted the potential of the phenolic and flavonoid compounds in garlic and black garlic

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D. T. Sakhare. "Synthesis, Spectroscopic Characterization, In-Vitro and Antimicrobial Activities of Some Metal (II) Complexes of 5-choloro-2-(((4,6-Dimethoxypyrimidin-2-yl) Imino) Methyl) Phenol." International Journal of Scientific Research in Chemistry 9, no. 6 (2024): 01–09. https://doi.org/10.32628/ijsrch24961.

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The novel Schiff base ligand has been synthesized by the condensation of 5-chlorosalicylaldehyde and 2-amino-4,6-dimethoxypyrimidine. Metal complexes of the Schiff base were prepared by the reaction of the Schiff base and Iron nitrate in ethanol solution. The complexes isolated, washed and dried. The Schiff base is pale yellow, while Cu(II) and Mn(II) complexes is light yellow.The synthesized compounds have been characterized by FT-IR, 1H-NMR and UV-Vis techniques for the ligands and FT-IR, UV-Vis, all reactions monitored by TLC, molar conductivity and magnetic susceptibility measurements for

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El-Boraey, Hanaa, Randa Abdel-Rahman, Ensaf Atia, and Khalid Hilmy. "Spectroscopic, thermal and toxicity studies of some 2-amino — 3- cyano — 1, 5 -diphenylpyrrole containing Schiff bases copper (II) complexes." Open Chemistry 8, no. 4 (2010): 820–33. http://dx.doi.org/10.2478/s11532-010-0046-7.

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AbstractTwo novel Schiff base ligands of 2-amino-3-cyano-1,5-diphenylpyrrole and salicylaldehyde (HL1) or 2- hydroxy1-naphthylaldehyde (HL2) and their copper(II) complexes have been synthesized and characterized by elemental analyses, spectral (UV-Vis, IR, EPR, Mass (for ligands)), thermal (DTA-TGA) methods, magnetic and conductance measurements. IR results demonstrate the bidentate binding of the Schiff base ligands involving azomethine nitrogen, phenolic or naphtholic oxygen and suggest the presence of HL2 and complexes (1, 2, 4 and 8) in enolimine-ketonamine tautomeric forms in the solid st

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Dissertations / Theses on the topic "Phenolic ligands; 2"

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Kumar, Manjeet. "Amberlite XAD-2 functionalized with phenolic ligands as metal ion extractants." Thesis, 2001. http://localhost:8080/iit/handle/2074/3590.

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Prokofieva, Angelina. "Bioinspired oxidation reactions of phenols with dinuclear copper complexes." Doctoral thesis, 2007. http://hdl.handle.net/11858/00-1735-0000-000D-F12D-0.

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Book chapters on the topic "Phenolic ligands; 2"

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of neodymium(III) complex with 2-formyl-4-methyl-6-{N-(2-pyridylethyl)formimidoyl}-phenol ligand." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54237-8_661.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of gadolinium(III) complex with 2-formyl-4-methyl-6-{N-(2-pyridylethyl)formimidoyl}-phenol ligand." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54237-8_714.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of dinuclear nickel(II) complex with 2-[1-(3-methyl-amino-propylimino)ethyl-phenol] and nitrate ligands." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 6. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-65056-1_279.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of dinuclear nickel(II) complex with 2-[1-(3-methyl-amino-propylimino)ethyl-phenol] and nitrite ligands." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 6. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-65056-1_278.

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Chaudhary, Vishrut. "STRUCTURAL AND THERMAL DECOMPOSITION STUDIES OF Co(III) AND Ni(II) METAL COMPLEXES OF SCHIFF BASES." In Advances in Chemical Science: Exploring New Frontiers. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/nbennurch151.

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In this paper two types of complexes of Co(III) and Ni(II) with Schiff bases are studied. The synthesis of complexes of above metal ion with 2;4 dihydroxy benzaldehyde isoicotinic acid hydrazide, 4-methyl2, 6 diformyl phenol isonicotic acidhydrazide as primary and thiosalicylic acid (TSA), 2 aminothiophenol (2-ATP) and 2- thiophene acitic acid (2-TPA) as coligand have been reported. The mixed ligand complexes are characterized on basis andlytical spectral and thermal decomposition

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Kuroda, Minpei, and Yoshihiro Mimaki. "Phenolics from Glycyrrhiza glabra and G. uralensis Roots and Their PPAR-γ Ligand-Binding Activity: Possible Application for Amelioration of Type 2 Diabetes." In Biological Activities and Action Mechanisms of Licorice Ingredients. InTech, 2017. http://dx.doi.org/10.5772/67406.

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Taber, Douglass F. "Alkene Reactions: The Dabdoub/Baroni Synthesis of ( ± )-Dihydroactinidiolide." In Organic Synthesis. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199965724.003.0027.

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David B. Cordes of Pacific University reported (Tetrahedron Lett. 2009, 50, 1817) a simple combination of NaBH4 and Pd/C that reduced the alkene 1 to 2. This could be particularly welcome as a method for deuteration. Following up on the work of He (Organic Highlights, February 27, 2006), Makoto Tokunaga of Kyushu University found (Tetrahedron Lett. 2009, 50, 5510) that chloroethanol 4 worked particularly well for the Au-catalyzed alkoxylation of the alkene 3. It has been difficult to achieve high regiocontrol in the Wacker oxidation of oxygen-substituted alkenes such as 6. Matthew S. Sigman of

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Conference papers on the topic "Phenolic ligands; 2"

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Haghverdi, Marzieh, and Azadeh Tadjarodi. "Synthesis, Characterization and DFT calculations of Novel Mononuclear Nickel (II), Cobalt (II) and Iron (II) Complexes derived from 2-(1H-benzimidazol-2-yl)- phenol Ligand ." In The 20th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2016. http://dx.doi.org/10.3390/ecsoc-20-e005.

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