A novel azo-Schiff base ligand (L) was prepared by reacting 2-hydroxy-5-(pyridine-4-yldiazenyl) benzaldehyde with 1,2-phenylenediamine. Moreover, Silver nanoparticles (Ag-NPs) and Cadmium sulfide nanoparticles (CdS-NPs) were prepared by employing azo-Schiff base ligand (L) as capping and reducing agent. The solid-state fluorescence spectroscopy was used to investigate the interaction between L ...

New series of Schiff base ligand H(2)L and their Cu(II) and Mn(II) complexes derived from azosulfapyrimidine were synthesized and characterized by elemental and thermal studies conductance measurements IR, electronic and EPR spectra. 3D modeling of the ligand indicate that azo group does not participate in complex formation and surface potential on one of the ligand under study indicate that el...

Each mol-ecule of the title compound, C(12)H(18)N(4)O(6), is located on an inversion centre at the mid-point of the central N-N bond. The azo groups C=N of the Schiff base group have an E conformation and the azo groups in the oxime C=N-O groups have a Z conformation. O-H⋯O hydrogen bonds link neighbouring mol-ecules into infinite monolayers perpendicular to the a axis.

It is well known that a lot of organic polymers of liquid crystals containing azo-groups exhibit optical anisotropy after polarized UV light irradiation. In recent year, optical properties of anisotropic nanoparticles in polymers of non-crystalline solid being regularly aligned by external mechanical or magnetic stimulus have been studied with polarized fluorescence spectroscopy and Bragg refle...

2-Amino-1,3-benzothiazole was synthesized and schiff bases were prepared by reacting a series of aromatic aldehydes with 2-amino-1,3-benzothiazole to form a number of potentially biologically active compounds. Azo dyes of 2-amino-1,3-benzothiazole were synthesized by reacting various aromatic amines , substituted amines and phenols. The structures of 2-amino-1,3-benzothiazole, Schiff bases and ...

This research involved synthesizing two compounds as derivatives of 2-naphthol by the classical method. The azo coupling compound was prepared via diazonium salt 4-amino acetophenone followed 2-naphthole. azo-Schiff molecule synthesized through condensation an with 5-amino salicylic acid in acidic medium. Using spectrum approaches, new are characterized (13C-NMR, 1H-NMR, FT-IR). acid-base chara...

The present paper describes the synthesis of two Azo-Schiff base named (2-(((2-aminophenyl)imino)methyl)-6-ethoxy-4-((Z)-phenyldiazenyl) phenol, 2-((Z)-((4-aminobutyl)imino)methyl)-6-ethoxy-4-((Z)-phenyldiazenyl)phenol) by diazotization reaction synthesized (3-Ethoxy-2-hydroxy benzaldehyde) with aniline compound to gave Al- Azo – aldehyde and reacted (O-phenylenediamine or1,4-butanediamine) bas...

New series of Fe (III), Co (II) and Ni (II) complexes of Schiff base ligands HL and H2L derived from azosulfapyrimidine were synthesized and characterized by elemental, conductance measurements, IR, electronic absorption, EPR spectra and magnetic measurements. 3D modeling of the ligand and its metal complex indicated that the electron density on the azomethine groups are much higher than the az...