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Relevant bibliographies by topics / Keywords: Schiff base

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Academic literature on the topic 'Keywords: Schiff base'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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Journal articles on the topic "Keywords: Schiff base"

1

Ismayilov, R. H., and P. A. Fatullayeva. "Metal complexes with dihydrazone of malonic acid dihydrazine." Scientific Petroleum, no. 1 (June 30, 2021): 58–62. http://dx.doi.org/10.53404/sci.petro.20210100008.

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This research includes synthesis and characterization of transition metal complexes of Cu (II), Co (II) and Ni (II) with hydrazone Schiff base ligand. Schiff base lagand was synthesized by reaction of malonic ester dihydrazide and 5-bromo salicylaldehyde. The structure of obtained complexes was studied by IR and electron spectroscopy. Keywords: hydrazone Schiff base ligand; copper complex; nickel complex; cobalt complex; IR and UV-Vis spectroscopy.

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2

Singh, Anil K., Camille Sandorfy, and Janos H. Fendler. "Dodecylammonium-glutamate Schiff bases of retinal." Canadian Journal of Chemistry 68, no. 7 (1990): 1258–62. http://dx.doi.org/10.1139/v90-194.

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Dodecylammonium glutamate (4) has been prepared from dodecylamine (2) and l-glutamic acid (3) in ethanol and in aqueous ethanol. The obtained crystalline glutamic acid salt of dodecylamine (4) has been characterized by absorption, FTIR, 1H NMR, 13C NMR, and mass spectroscopy. Reaction of all-trans retinal (5) with the α-amino group of 4 gave a Schiff base (6), which was protonated by the α-COOH group of the glutamyl residue. However, the protonated Schiff base underwent acid-catalyzed hydrolysis to 2 + 3 + 5. Some of 5 reacted with 2 to give the corresponding Schiff base. The proposed structur

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3

Daljeet, Singh Manhas*1 Anuja Chauhan. "SYNTHESIS AND NMR STUDY OF HYDROXYQUINOXALINE CARBOXALIDINE AMINO METHYL PHENOL COBALT (II) METAL COMPLEX." iajps,csk publications 03, no. 11 (2016): 1350–53. https://doi.org/10.5281/zenodo.195198.

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<em>Transition metal complex of Schiff base formed by the condensation of quinoxaline-2-carboxaldehyde with 2-aminophenol or were synthesized and characterized by NMR spectroscopy. The phenolic OH and NH signals which are found at 12.85 and 11.52 ppm in the spectrum of the ligand are not seen in the spectrum of the Co (II) complex indicating the enolisation of the Schiff base in Co (II) complex and participation of the phenolic OH group in chelation with proton displacement</em> <strong>Keywords</strong>: <em>condensation, carboxaldehyde, 2-aminophenol, Schiff base, NMR spectra</em>

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4

TRIPATHEE, NEHA. "Exploring the Versatility: Applications of Schiff Base Complexes in Catalysis, Medicine, and Material Science." WORLD JOURNAL OF APPLIED SCIENCE AND RESEARCH 10-11, no. 01-02 (2021): 33. https://doi.org/10.59467/wjasr.2021.10-11.33.

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Schiff bases, characterized by the imine (?RC=N?) functional group, are condensation products of carbonyl compounds and primary amines, with wide-ranging applications in medicinal chemistry, catalysis, and material science. Their complexes exhibit diverse biological activities such as antimicrobial, anticancer, antioxidant, anti-inflammatory, and antiplasmodium properties. These bioactivities are enhanced by the metal ion coordination within the Schiff base framework, showing potential for drug development against resistant pathogens and cancers. Catalytically, Schiff base complexes, particula

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5

TRIPATHEE, NEHA. "Exploring the Versatility: Applications of Schiff Base Complexes in Catalysis, Medicine, and Material Science." WORLD JOURNAL OF APPLIED SCIENCE AND RESEARCH 10-11, no. 01-02 (2021): 33. https://doi.org/10.59467/wjasr.2020-21.10-11.33.

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Schiff bases, characterized by the imine (?RC=N?) functional group, are condensation products of carbonyl compounds and primary amines, with wide-ranging applications in medicinal chemistry, catalysis, and material science. Their complexes exhibit diverse biological activities such as antimicrobial, anticancer, antioxidant, anti-inflammatory, and antiplasmodium properties. These bioactivities are enhanced by the metal ion coordination within the Schiff base framework, showing potential for drug development against resistant pathogens and cancers. Catalytically, Schiff base complexes, particula

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6

Kamatam, Prasuna M., Vanitha Sanambatla, and Seshaiah Kalluru. "Biological studies of Schiff base, 2-(1-hydroxycyclohexyl) phenyl methylene hydrazine carbothioamide and its Cu(II) and Zn(II) metal complexes." Journal of medical pharmaceutical and allied sciences 11, no. 2 (2022): 4666–71. http://dx.doi.org/10.55522/jmpas.v11i2.2621.

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Condensation of 1-hydroxycyclohexyl phenyl ketone with hydrazine carbothioamide produced a new Schiff base, 2-(1-hydroxycyclohexyl) phenyl methylene hydrazine carbothioamide. The Cu(II) and Zn(II) metal complexes of the Schiff base were prepared. The different spectroscopic methods such as FT-IR, UV-Visible, 1H NMR, and 13C NMR spectroscopy were used to elucidate the structural characteristics of the synthesized compounds. Further, the biological applications of the prepared Schiff bases and its metal complexes were studied for the antibacterial activity. The antimicrobial investigation was ca

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7

Le-Thanh, Hoa, and D. Vocelle. "1H NMR studies of proton transfer in Schiff base and carboxylic acid systems." Canadian Journal of Chemistry 68, no. 10 (1990): 1909–16. http://dx.doi.org/10.1139/v90-295.

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When the unconjugated Schiff base, isobutylidene isopropylamine (2), reacts with acids such as the mineral acids HCl, HBr, and HI, or the carboxylic acids trichloroacetic, monochloroacetic, and propionic acid, in CDCl3, several complexes are formed. In this study, 1H NMR allows us to differentiate between several possibilities. With the mineral acids, only 1:1 structures are seen and the chemical shift of the [Formula: see text] proton varies according to the strength of the hydrogen bond between the protonated Schiff base and its counterion. With the carboxylic acids, 1:1 and 1:2 structures a

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8

Varma, Madhuri, Suhas Janwadkar, Himani More, and Mrunmayi Churi. "A review on applications of Schiff bases and their comparison in different field." International Journal of Advance and Applied Research 6, no. 25(A) (2025): 31–34. https://doi.org/10.5281/zenodo.15296298.

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<strong>Abstract: </strong> Schiff bases are adaptable organic compounds that are commonly synthesized through the condensation of various amino compounds with aldehydes or ketones, forming imines. These Schiff base ligands are regarded as privileged ligands due to their straightforward synthesis via condensation. They exhibit a wide range of applications in fields such as medicine, pharmaceuticals, coordination chemistry, biological activities, industries, food packaging, dyes, and polymers, and are also utilized as oxygen detectors. Transition metal complexes, such as those containing copper

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9

Yeole, Sanjay, Vaibhava Sachin More, S. Lokhande R., Suhas Janwadkar, and Dilip Yadav. "Synthesis, Spectral, and Antimicrobial Activity of Some Mixed Ligand Co (II) Complexes of Schiff Base 2-[(3-Hydroxy Phenylimino) Methyl]-4-Nitrophenol with Some Amino Acids." International Journal of Advance and Applied Research 6, no. 25 (2025): 150–55. https://doi.org/10.5281/zenodo.15294469.

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<strong>Abstract:</strong> The mixed ligand complexes of Co (II) with 2-[(3-hydroxy phenylimino)methyl]-4-nitrophenol (HPIMNP) as the primary ligand and amino acids (valine, alanine, or glutamine) as secondary ligands have been synthesised and characterised. The complexes were characterised by elemental analysis, conductivity measurement, 1H NMR, IR, and ultraviolet-visible spectral studies. Schiff base acts as a bidentate ligand, coordinating through deprotonated phenolic oxygen and azomethine <em>N</em>-atom. The conductivity studies of the complexes in DMSO at 10⁻³ M concentration indi

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10

Jaiswal, Amit, Anil Kumar Pal, Dharmendra Kumar Sahu, and Ranjeet Kumar. "Synthesis and characterizations of Hg (II) Complex of Macrocyclic complexes compounds Tetradecahydrodibenzo hexaazacyclooctadecine with HgX2 (X= Cl, Br) by Hirshfeld analysis and antimicrobial activity." Journal of Drug Delivery and Therapeutics 14, no. 3 (2024): 115–21. http://dx.doi.org/10.22270/jddt.v14i3.6476.

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This study examines the synthesis and characterization of a macrocyclic complex molecule having the general formula [M-LX2], where M =Hg (II) with schiff base Tetradecahydrodibenzo hexaazacyclooctadecine ligands. Resulted from the interaction between mercury and the diethyl triamine and benzene- 1, 2 diol in an ethanolic solution. Schiff base and its novel mercury (II) Complexes were studied vibrational in the solid state using spectral, 1H-NMR, IR, UV, and antimicrobial activity approaches. We were able to establish the coordination mode of the metal in complexes by comparing the changes in t

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