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• 90-02-8 salicylaldehyde 
• 101-80-4 4,4'-oxydiphenylene diamine 

Relevant academic research and scientific papers

Phenolate based metallomacrocyclic xanthate complexes of CoII/CuII and their exclusive deployment in [2 : 2] binuclear N,O-Schiff base macrocycle formation and in vitro anticancer studies

Potassium salts of phenolate based polydentate xanthate ligands 4,4′-bis(2-dithiocarbonatobenzylideneamino)diphenyl ether (K2xan1) and 4,4′-bis(2-dithiocarbonatonaphthylmethylideneamino)diphenyl ether (K2xan2) h

Antitumor and antioxidant activities of the new synthesized azomethine derivatives: Experimental and theoretical investigations

In this study, the antioxidant property of eight new azomethine derivatives underwent theoretical and experimental investigations. Azomethines have antioxidant activity. This is the first time the molecular structures and antioxidant property of these derivatives have been studied. The molecular structures were optimized using Density functional theory (DFT). The Bond Dissociation Enthalpy (BDE), Mulliken Charges, NBO analysis, Ionization Potential (IP), Electron Affinities (EA), HOMO and LUMO energies, Hardness (η), Softness (S), Electronegativity (μ), Electrophilic Index (ω), Electron Donating Power (ω-), Electron Accepting Power (ω+), and Energy Gap (Eg) were calculated in order to deduce scavenging action of the eight new synthesized azomethines (DIA-3,4,5,6,7,8,9,10). Spin density calculations and NBO analysis were also carried out to understand the antioxidant activity mechanism. These molecules have high antioxidant potential due to the planarity and formation of intramolecular hydrogen bonds. Experimental investigations establish high antioxidant and antitumor activities of the synthesized azomethine derivatives.

Syntheses, crystal structures, and solid-state spectroscopic properties of helical and non-helical dinuclear zinc(II) complexes derived from N2O2 ligands with different torsion-generating sources

The reaction of bis(N-salicylidene)-4,4′-diaminodiphenyl)ether (4OsalH2) with zinc(II) ion affords a 2:2 dinuclear zinc(II) complex formulated as [Zn2(4Osal)2]. A similar 2:2 dinuclear zinc(II) comple

Preparation and Characterization of poly(Azomethines) Containing Ether and Methylene Bridges: Photophysical, Electrochemical, Conductivity and Thermal Properties

In this paper, a series of polyazomethines (PAZs) were prepared using dihydroxy substituted Schiff bases and 1,4-diiodobenzene. Also, different group effect such as methylene carbon and etheric oxygen bridges on photophysical, electrochemical, conductivit

Spectroscopic studies and keto-enol tautomeric effect of newer schiff bases of ortho-hydroxybenzaldehyde/ naphthaldehyde with 1,2-phenylenediamine and 4-aminophenyl ether

Hydroxyl Schiff bases derived from 1,2-phenylenediamine and 4-aminophenyl ether with o-hydroxy benzaldehyde or o-hydroxyl naphthaldehyde were used to investigate enol-imine and keto-amine tautomeric analysis. UV-visible spectra of the compounds have been

Design of postmetallocene Schiff base-like catalytic systems for polymerization of olefins: XII. Synthesis of tetradentate bis-salicylaldehyde imine ligands

Reactions of salicylaldehyde, 3-tert-butylsalicylaldehyde, and 3,5-di-tert-butylsalicylaldehyde with 1,4-diaminobutane, 1,6-diaminohexane, 4,4′-diaminodiphenylmethane, 4,4′-diamino-3,3′,5,5′- tetramethyldiphenylmethane, 4,4′-diamino-5,5′-dicyclopentyl-3, 3′-dimethyldiphenylmethane, 4,4′-diamino-5,5′-dicyclohexyl-3, 3′-dimethyldiphenylmethane, bis(4-aminophenyl) sulfone, o,o′- and p,p′-diaminodiphenyl ethers, 1,4-bis(4-aminophenoxy)benzene, 2,2-bis[4-(4-aminophenoxy) phenyl]propane, and 4,4″-diamino-p-terphenyl gave a series of the corresponding Schiff bases which can be used as tetradentate ligands for the synthesis of titanium and zirconium complexes.

Study of binary and ternary complexes of some binucleating ligands

Stability constants of homobinuclear Cu(II) complexes of some dinucleating ligands, having equivalent (N-O-) coordinating sites, viz., 4,4'-di-(o-hydroxybenzyl)diaminodiphenylmethane (H3AI) and 4,4'-di-(o-hydroxybenzyl)diaminodihenylether (H3A2) and mixed ligand Cu(II) complexes with one of the above ligands and bipyridyl, glycine, α-alanine, phenylalanine, tyrosine or tryptophan as secondary ligands, have been determined potentiometrically in (50:50, v/v) water-dioxane medium using a computer program.The relative stabilities of the different complexes have been explained.The complexes (ClO4)2, , have been isolated and characterized by elemental analysis, electronic, ESR spectral and magnetic studies.