Throughout this research, a unique optical sensor for detecting one of the most dangerous heavy metal ions, Cu(II), was designed and developed. The (4-mercaptophenyl) iminomethylphenyl naphthalenyl carbamate (MNC) probe effectively prepared. Schiff base shows "turn-off" state with excellent sensitivity to Cu(II) ions. This innovative fluorescent chemosensor possesses distinctive features substantial Stocks shift (about 114 nm). In addition, MNC has remarkable selectivity relative other...

The condensation of (1H-benzimidazole-2-yl) methanamine, with 2-hydroxy naphthaldehyde lead to Schiff base ligand (H2L) (1). This was later reacted metal salts (ZnCl2, CrCl3·6H2O, and MnCl2·4H2O) afford the corresponding complexes. Biological activity findings indicate that complexes have promising against Escherichia coli Bacillus subtilis modest Aspergillus niger. in vitro anticancer activities Zn (II), Cr (III), Mn (II) were investigated best results observed complex as most potent...

A novel series of benzimidazole ureas 3a-h were elaborated using 2-(1H-benzoimidazol-2-yl) aniline 1 and the appropriate isocyanates 2a-h. The antioxidant possible antidiabetic activities target benzimidazole-ureas evaluated. Almost all compounds displayed strong to moderate activities. When tested three techniques, TAC, FRAP, MCA, 3b 3c exhibited marked activity. most active compound in this family was 3g, which had excellent activity four different methods: DPPH-SA, MCA. In vitro assays...

The current study aimed to investigate the phytochemical contents and antioxidant, antimicrobial, antibiofilm activities of four halophytic plants, namely, Euphorbia chamaesyce, Bassia arabica, Fagonia mollis, Haloxylon salicornicum, native central Saudi Arabia. alcoholic extract E. chamaesyce was found be most potent in various bioactivities-based evaluations rich polyphenols flavonoid secondary metabolites, with 68.0 mg/g 39.23 gallic acid quercetin equivalents, respectively. Among all...

Abstract In this study, two series of benzimidazole derivatives were evaluated for their anticancer activity. The first benzimidazole–urea was achieved from the condensation aniline 1 with a variety isocyanates. second elaborated cycloaddition reaction benzophenone diamine appropriate arylaldehydes. in vitro cytotoxic and antiproliferative properties various assessed three specific cancer cell lines: MCF‐7, HCT116, HePG2. Particularly, results revealed that compounds 6b 6c exhibited...

Abstract Thymoquinol‐2‐ O ‐ β ‐D‐glucopyranoside (Th‐Ol‐G) isolated from Pulicaria jaubertii was characterized by 1D‐( 1 H, 13 C, DEPT) and 2D‐(COSY, HSQC, HMBC) NMR analyses. This study provides new findings for the anticancer activity of Th‐Ol‐G compares its silico binding affinity to caspases 3 9 with corresponding aglycones, thymoquinone (Th‐One) thymoquinol (Th‐Ol). has exerted marked cytotoxicity against HCT‐116 HeLa cells (IC 50 = ± 1.2 12 0.6 µg/mL, respectively), compared effect on...

(E)-1-((((1H-benzo[d]imidazol-2-yl)methyl)imino)methyl)naphthalen-2-ol, ligand was synthesized by condensation of (1H-benzo[d]imidazol-2-yl) methanamine, with 2-hydroxynaphthaldehyde. The and the metal complexes were characterized various spectroscopic techniques. Interpretation spectra confirmed that adopted either a neutral tridentate or monobasic mode, bonded to ions through nitrogen atom heterocyclic benzimidazole, azomethine deprotonated phenolic oxygen forming square planer geometry....

Benzophenone derivatives were evaluated as new photoinitiators in combination with triethylamine (TEA) and iodonium salt (Iod) for very rapid efficient formation of metal nanoparticles an organic solvent, by which silver gold ions reduced under light at 419 nm (photoreactor) irradiation intensity 250 microwatts/cm2. The benzophenone combined TEA/Iod showed good production (Au0 Ag0) a small size around 4-13 nm. photochemical mechanisms the initiating radicals studied using cyclic voltammetry,...

The copper II complex's novel benzimidazole Schiff base ligands were manufactured and gauged as a new photoredox catalyst/photoinitiator amalgamated with triethylamine (TEA) iodonium salt (Iod) for the polymerization of ethylene glycol diacrylate while exposed to visible light by an LED Lamp at 405 nm intensity 543 mW/cm2 28 °C. Gold silver nanoparticles obtained through reactivity complexes amine/Iod salt. size NPs was around 1-30 nm. Lastly, high performance photopolymerization containing...

Abstract The development of natural insecticide from plant products may have a beneficial effect as promising candidate for practical strategies controlling vector‐borne diseases without current treatment. present study was carried out to characterize green synthesized metallic nanomaterials silver (Ag‐NPs) and gold (Au‐NPs) extract leaf Nerium oleander L., assess in vivo toxicity, evaluate the larvicidal activity against Aedes aegypti . prepared (Ag‐NPs Au‐NPs) were characterized by...

2-((E)-((4-(((E)-4-Nitrobenzylidene)amino)phenyl)imino)methyl)naphthalen-1-ol, was synthesised followed by metalation with Fe(III), Co(III), Cu(II), Zn(II) and Ni(II) metals. The compounds were characterised different methods CHN, AAS, IR, NMR, XRD, TGA UV-Vis. results reveal that the ligand has bidentate behavior, it is bound metals a coordination bond through both nitrogen atom of azomethine group oxygen atom, this provided an octahedral geometry. X-ray diffraction indicate ligands...

Novel mononuclear complexes 2–8 derived from hybrid Urea Schiff base HL were synthesized using various metal Ni2+, Fe3+, Cu2+, Co2+, Mn2+, Zn2+, and Cr3+. The results revealed the ligand reacts with ions as monobasic or neutral monodentate chelator it via nitrogen of azomethine deprotonated/protonated phenolic oxygen atom adopting octahedral geometry. elemental analysis showed bonding in a ratio 1: 1 all-metal complexes. XRD its indicate monoclinic, tetragonal, orthorhombic corresponding to...

Abstract The synthesis of bis(oxazolidinone)polyoxyethylene derivatives 2a–h from oligoethylene glycols diglycidyl ethers 1a–e and isocyanates is reported. reaction was achieved by lithium bromide tributylphosphine oxide. These bis‐oxazolidinones may have important antibacterial activity.

Two Schiff base ligands ((benzimidazol-2-phenyl)iminomethyl)phenol (HL1) (1) and 2-(1-H-benzimidazol-2yl)phenyl)imino)methyl) naphthol (HL2) (2) were synthesized via condensation of 2-(1H-benzimizadol-2-yl)aniline respectively salicylaldehyde or naphtylaldehyde.The synthesis mixed complexes (3)-( 6) was realized by reacting HL1 HL2 (2), copper salt (CuCl2.2H2O)and one equivalent 2-mercaptobenzothiazole 2aminobenzothiazole.The as well the metal have been identified with multiple spectroscopic...

This paper explores the photochemical synthesis of noble metal nanoparticles, specifically gold (Au) and silver (Ag) using a one-component photoinitiator system. The process involves visible light irradiation at wavelength 419 nm an intensity 250 mW/cm2. radical-generating capabilities photoinitiators were evaluated electron spin resonance (ESR) spectroscopy. main objective this study was to investigate how concentration salts influences size distribution nanoparticles. Proposed mechanisms...

The reaction of bis-oxiranes 1 with carbon disulfide in the presence lithium bromide as catalyst at reflux dichloromethane affords selectively corresponding polyoxyethylene bis (five-menbered cyclic dithiocarbonates) 2 good yields. On basis conditions, an oriented mechanism for is proposed.

Silver nanoparticles (AgNPs) and gold (AuNPs) were fabricated using Plumeria alba leaf extracts to control the mosquito Aedes aegypti. Synthesized AgNPs AuNPs characterized by ultraviolet-visible spectroscopy, Fourier-Transform Infrared Radiation (FTIR) X-ray diffraction (XRD), transmission electron microscope (TEM) analysis. Susceptibility levels of Ae. aegypti larvae plant extract P. its silver determined. The spectra displayed their maximum absorption at 300 nm 500 nm, respectively....

A novel series of urea Schiff base derivatives were synthesized via the condensation o-phenylenediamine, naphthyl isocyanate and appropriate aryl aldehyde. The results in vitro cytotoxic activities compounds 5a–h against cancer cells lines PC3, SKOV-3 HeLa, revealed that almost all exhibited good to moderate Compound 5g owing bromine atom at p-position displayed higher activity compared homolog 5b possessing chlorine due adequate diameter which is more favourable than for inhibition...

Benzoimidazolphenylethanamine (BPE) has been synthesized using condensation reaction from o-phenyldiamine and L-phenylalanine. Some metal complexes have 4-(benzoimidazol-2-yl)aniline, benzoimidazolylphenylethanamine cadmium(II), tin(II), copper(II) nickel(II) in a molar ratio (1:1:1). All new were characterized by spectroscopic data of FTIR, UV-visible electronic absorption, X-ray powder diffraction thermal analysis. Spectra analysis the mixed showed coordination ligands to ions via nitrogen...

ABSTRACT A simple and highly efficient regio- chemio-specific synthesis of polyoxyethylene epoxyoxathiolan-2-thione was realized from a one-pot reaction diglycidyl ether carbon disulfide using lithium bromide as catalyst. The unsymmetrical obtained products were fully characterized by 1H, 13C NMR high-resolution mass spectra data.