A Selective Optical Chemosensor Based on a Thia-containing Schiff-Base Iron(III) Complex for Thiocyanate Ion

Ershad, Sohrab; Sagathforoush, Lotf-Ali; Karim‐Nezhad, Ghasem

doi:10.2116/analsci.25.665

Cited by 14 publications

(8 citation statements)

References 28 publications

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“…Thiazoles and their derivatives form a part of vitamin B 1 and coenzyme carboxylase. They represent a very interesting class of compounds because of their wide applications as antimicrobial, anti-inflammatory, anti-degenerative and anti-HIV activities 6,7 .…”

Section: Introductionmentioning

confidence: 99%

Microwave Synthesis, Spectral, Thermal and Antimicrobial Studies of Some Co(II), Ni(II) and Cu(II) Complexes Containing 2‐Aminothiazole Moiety

Mishra

Purwar

Jain

et al. 2011

Journal of Chemistry

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Some new Schiff base metal complexes of Co(II), Ni(II) and Cu(II) derived from 4-chlorobenzylidene-2-aminothiazole (CAT) and 2-nitrobenzylidene-2-aminothiazole (NAT) have been synthesized by conventional as well as microwave methods. These compounds have been characterized by elemental analysis, FT-IR, FAB-mass, molar conductance, electronic spectra, ESR, magnetic susceptibility, thermal, electrical conductivity and XRD analysis. The complexes are coloured and stable in air. Analytical data revealed that all the complexes exhibited 1:2 (metal:ligand) ratio with coordination number 4 or 6. FAB-mass and thermal data show degradation pattern of the complexes. The thermal behavior of metal complexes shows that the hydrated complexes loses water molecules of hydration in the first step; followed by decomposition of ligand molecules in the subsequent steps. The crystal system, lattice parameter, unit cell volume and number of molecules in unit cell in the lattice of complexes have been determined by XRD analysis. XRD patterns indicate crystalline nature for the complexes. The solid state electrical conductivity of the metal complexes has also been measured. Solid state electrical conductivity studies reflect semiconducting nature of the complexes. The Schiff base and metal complexes show a good activity against the Gram-positive bacteria;Staphylococcus aureusand Gram-negative bacteria;Escherichia coliand fungiAspergillus nigerandCandida albicans.

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Section: Introductionmentioning

confidence: 99%

Microwave Synthesis, Spectral, Thermal and Antimicrobial Studies of Some Co(II), Ni(II) and Cu(II) Complexes Containing 2‐Aminothiazole Moiety

Mishra

Purwar

Jain

et al. 2011

Journal of Chemistry

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“…Schiff bases are used in paint industry, rubber production, pharmaceutical industry, electronics industry, plastic industry, liquid crystal technology, mineral oils, as oxygen carriers because they are prone to oxygen bonding, in the synthesis of K-amino acids which are important for the organism, struggling against pathogenic fungi causing diseases and crop losses in plants, in the determination of arsenic with AAS, in the masking of copper, nickel, platinum and the like, in the enrichment of radioactive materials, in the production of polymers and pesticides [5][6][7][8][9][10][11]. Many studies have been carried out on the synthesis of complexes of metal cations by Schiff bases in many fields of chemistry.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of novel 8-formyl-7-hydroxy-4-methylcoumarin derivatives

Onar

Erdoğan

2020

Sakarya University Journal of Science

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This study was initiated by 7-hydroxy-4-methylcoumarin 1 synthesis according to the Peckmann reaction with resorcinol and ethylacetoacetate. This compound was converted into 8-formyl-7-hydroxy-4methylcoumarin 2 by the Duff reaction. This aldehyde obtained was reacted with 6-amino-1,4benzodioxane and 2-amino benzamide, which have their specific biological activities, to synthesize the original two novel compounds. While 3 (7-Hydroxy-4-methyl-8-[(2,3-dihydro-1,4-benzodioxin-6yl)iminomethyl]-2H-1-benzopyran-2-one) is obtained as a coumarin schiff base, ring closure was observed at 4 (2-(2'-Hydoxy-5-methyl coumarin-1-yl)-2,3-dihydro quinazoline-4(1H)-one). Our compounds are thought to exhibit biological activity. Their structures were identified by IR, 1 H NMR, 13 C NMR, MS analysis.

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“…Schiff base metal complexes have been widely studied because they have industrial, antifungal, antibacterial, anticancer and herbicidal applications [12]. Chelating ligands containing N, S and O donor atoms show broad biological activity and are of special interest because of the variety of ways in which they are bonded to metal ions [13]. It is well known that the existence of metal ions bonded to biologically active compounds may enhance their activities [14,15].…”

Section: Introductionmentioning

confidence: 99%

“…for C 24 (b s, 2H, -OH). 13 C NMR (400 MHz, CDCl 3 , ppm) d C : 27.8(t, C-9), 53.2(t, C-11), 55.8(t, C-10), 57.4(t, C-8), 109.8 (s, C-6), 119.1 (d, C-5), 120.1 (s, C-2), 153.2, 154.8 (d, C-3 or C-4)160.5 (s, C-5) (aromatic ring), 163.8 (d, C-7, -CQN) [21]. Scheme 1 shows the structure of the synthesized Schiff base.…”

Section: Introductionmentioning

confidence: 99%

Spectrophotometric and spectrofluorimetric investigation of different equilibria of a recently synthesized Schiff base with the aid of chemometric methods

Afkhami

Keypour

Khajavi

et al. 2011

Journal of Luminescence

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A Selective Optical Chemosensor Based on a Thia-containing Schiff-Base Iron(III) Complex for Thiocyanate Ion

Cited by 14 publications

References 28 publications

Microwave Synthesis, Spectral, Thermal and Antimicrobial Studies of Some Co(II), Ni(II) and Cu(II) Complexes Containing 2‐Aminothiazole Moiety

Microwave Synthesis, Spectral, Thermal and Antimicrobial Studies of Some Co(II), Ni(II) and Cu(II) Complexes Containing 2‐Aminothiazole Moiety

Synthesis of novel 8-formyl-7-hydroxy-4-methylcoumarin derivatives

Spectrophotometric and spectrofluorimetric investigation of different equilibria of a recently synthesized Schiff base with the aid of chemometric methods

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