Mahdi Behzad

Mahdi Behzad
Semnan University · Faculty of Chemistry

PhD

About

86
Publications
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1,769
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March 2006 - present
Semnan University
Position
  • Professor (Associate)

Publications

Publications (86)
Article
Full-text available
A series of new mixed‐ligand Cu (II) complexes, that is, [Cu (SB)(py)]ClO4 (1), [Cu (SB)(bpy)]ClO4 (2), and [Cu (SB)(phen)]ClO4 (3), were synthesized and characterized. In these complexes, SB represents a new unsymmetrical Schiff base ligand that was formed from 1:1 condensation of 3‐nitrosalicylaldehyde with ethylenediamine. Single‐crystal X‐ray c...
Article
Full-text available
In the present study, desilication of high-silica H-[B]-ZSM-5 zeolite was performed via alkali treatment. The optimization of three effective desilication factors, namely the NaOH concentration, treatment time, and temperature, while considering the potential interactions, was innovatively performed using response surface methodology via a three-le...
Article
Full-text available
The development of environmentally friendly catalysts for organic transformations is of great importance in the field of green chemistry. Aldehyde oxidation reactions play a crucial role in various industrial processes, including the synthesis of pharmaceuticals, agrochemicals, and fine chemicals. This paper presents the synthesis and evaluation of...
Article
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Meso‐1,2‐diphenyl‐1,2‐ethylenediamine was reacted with salicylaldehyde derivatives, copper(II) perchlorate, and pyridine to produce various four‐coordinated heteroleptic [Cu (SBⁿ)(py)]ClO4 (n = 1–4) complexes. Ligand exchange of the monodentate pyridine with bidentate 2,2′‐dimethyl‐4,4′‐bithiazole (BTZ) produced other new series of five‐coordinated...
Article
Acylpyrazolone-based Schiff base ligands (HLn) and their corresponding Pt(II) complexes with the general formula [Pt(Ln)(Cl)] (n = 1–3) were synthesized and characterized by different spectroscopic techniques including 1H-NMR, 195Pt-NMR, LC-Mass, FT–IR, and UV–Vis spectroscopy, as well as elemental analysis. The crystal structure of one of the Schi...
Article
Full-text available
A new dinuclear Schiff-base complex, [Cu2L'2(μ-OAc)2], was synthesized and characterized by various spectroscopic methods and single-crystal X-ray diffraction (SCXRD). The symmetrical H2L ligand was synthesized from the reaction between 4-acetyl-3-methyl-1-phenyl-2-pyrazoline-5-one (or acylpyrazolone) with 1,3-propanediamine, but upon reaction with...
Article
New pyrazolone-based Schiff bases were synthesized and characterized by various spectroscopic and analytical techniques such as ¹H-NMR, FTIR, and UV − Vis spectroscopy and elemental analysis. Crystal structures of two of the Schiff-base (SB) compounds were obtained by single-crystal X-ray crystallography (SCXRC). The target Schiff bases were synthe...
Article
Full-text available
A modified solid-state method was used to synthesize new SmRETi2O7 pyrochlores. The new samples were characterized by powder X-ray diffraction (PXRD), scanning electron microscopy (SEM), energy dispersive x-ray (EDX), Fourier transform infrared (FT-IR) and Raman spectroscopy. Qualitative and quantitative analyses were done by MAUD software to obtai...
Article
Three new mixed-ligand copper(II) complexes (1-3) with NN'O type unsymmetrical tridentate Schiff base ligands (SB) and N-donor heterocyclic co-ligands, with general formula [Cu(SB)(L)]ClO4, were synthesized and characterized using single crystal x-ray diffraction (SCXRD), FT-IR and UV-Vis spectroscopy and elemental analyses. The SB ligand is the ha...
Article
Full-text available
Two new mixed‐ligand complexes with general formula [Cu (SB)(L')]ClO4 (1 and 2) were synthesized and characterized by different spectroscopic and analytical techniques including FT‐IR and UV‐Vis spectroscopy and elemental analyses. The SB ligand is an unsymmetrical tridentate NN'O type Schiff base ligand which was derived from the condensation of 1...
Article
A new tetradentate N2O2 type Schiff-base ligand (H2L) was synthesized from the condensation of 4-acetyl-3-methyl-1-phenyl-2-pyrazoline-5-one with 2,2-dimethyl-1,3-propanediamine. The corresponding Cu(II) complex (CuL) was also synthesized. The ligand and the complex were characterized by FTIR and UV-Vis spectroscopy and elemental analysis. ¹H- and...
Article
Full-text available
Two new RESmTi2O7 mixed metal oxides were prepared by mixing Sm2O3, RE2O3 (RE = Gd, Er) and TiO2 using a modified solid state method which gives the target pyrochlores with excellent phase purity. SmGdTi2O7 and SmErTi2O7 samples were characterized using PXRD, SEM, EDS, FT-IR and Raman spectroscopy. Rietveld refinement was employed to obtain crystal...
Article
Full-text available
A new mixed-ligand Cu(II) complex, [Cu(pyr)(bpy)(OH2)]ClO4 (1), was synthesized from 4-acetyl-3-methyl-1-phenyl-2-pyrazoline-5-one (H-pyr) and 2,2-bipyridine (bpy). Single-crystal X-ray diffraction, elemental analysis, and FTIR and UV–Vis spectroscopy were used to confirm its structure. The pyr ligand is the monoanionic deprotonated form of the H-p...
Article
A series of rare-earth titanate oxides RE2Ti2O7 (RE =Sm, Gd, Dy and Yb) were synthesized using a solid state method. The pyrochlore structures of these compounds were confirmed by the Rietveld method from X-ray diffraction data (XRD). XRD results showed that RE2Ti2O7 structures had cubic crystal system with the Fd3m space group. Morphology and mean...
Article
1,3-Dimethylpentylamine (Geranamine) with a similar structure to amphetamine has been used as an athletic performance promoter (doping agent) and also as an indirect sympathomimetic drug to synthesize of 1,3-dimethyl pentyl glycine (13DMPG). Thereafter, two new anticancer platinum complexes as [Pt(DACH)(13DMPG)]NO3 and [Pt(bpy)(13DMPG)]NO3 were syn...
Article
Four new Fe(III)-Chloro Schiff base complexes were synthesized and characterized. The N2O2 type tetradentate Schiff base ligands were synthesized from the condensation of meso-1,2-diphenyl-1,2-ethylenediamine with salicylaldehyde (H2L¹), 3-methoxysalicylaldehyde (H2L²), 4-methoxysalicylaldehyde (H2L³) and 5-methoxysalicylaldehyde (H2L⁴). The corres...
Article
Full-text available
In this study, two new anticancer platinum complexes formulated as [Pt(bpy)(L)]NO3 were synthesized using the iso and tert-pentylglycine ligands, two structural isomer ligands, to investigate side branches effect on the complex-DNA interaction. According to the comparative results of the ADMET assessment, these compounds can be considered as the dr...
Article
Full-text available
A hydrothermal route was exploited to prepare high-silica H-ZSM-5 as well as H-[B]-ZSM-5 zeolites, and the boron-modified type was then desilicated with alkaline treatment. The properties of catalysts were investigated by different techniques, and the catalytic performance was evaluated in the methanol to propylene reaction. The effects of three cr...
Article
KTiOPO4 nanoparticles were synthesized by the hydrothermal method. The effects of solution pH on size, its distribution, structural, optical, dielectric, and morphological properties of products were investigated. The obtained nanoparticles were characterized by XRD, FT-IR, FE-SEM, TEM, UV–Vis analyses, and LCR measurement. The pH of the solution v...
Article
Compounds containing heavy metals such as vanadium, nickel, and cobalt may be useful for the treatment of various diseases. Multiple studies have been carried out on the anticancer effects of vanadium-contained compounds on different cell types. This study aimed to evaluate the role of schiff base oxovanadium complex ([N,N'-bis(3-methoxy-salicylide...
Article
Nanopowders of Eu2Ce2O7 were synthesized via solid-state reactions between Eu2O3 and (NH4)2Ce(NO3)6 raw materials at stoichiometric 1:1 Eu/Ce molar ratio at 800 °C (S1), 900 °C (S2), 1000 °C (S3) for 8 h and 1000 °C for 10 h (S4). The synthesized materials were characterized by powder X-ray diffraction (PXRD) technique. Structural analyses were per...
Article
Full-text available
A hydrothermal procedure was utilized to synthesize high silica H-ZSM-5 catalysts for application in methanol to olefin (MTO) reaction by partial and total substitution of tetrapropyl ammonium hydroxide (TPAOH) with equivalent amount of the less expensive tetrapropyl ammonium bromide (TPABr) template. Five H-ZSM-5 zeolites with a similar Si/Al rati...
Article
A series of transition metal complexes of 4-acetyl-3-methyl-1-phenyl-2-pyrazoline-5-one with Ni(II), Cu(II), Fe(III) and Mn (II) central metal ions have been synthesized and characterized by X-ray crystallography, UV-Vis and FTIR spectroscopy, and elemental analysis. The complexes were used as a catalyst for epoxidation of cyclooctene with tert-but...
Article
Er2Ti2O7 pyrochlore structure was successfully prepared by solid-state method. The prepared microstructure mixed-metal oxide was characterized by XRD, SEM, EDX, FT-IR and BET. X-ray powder diffraction revealed a Cubic crystal system with Fd3m space group for Er2Ti2O7. The morphology and mean particle size of the sample was characterized by the scan...
Article
A new dinuclear copper(II) Schiff base complex, [Cu2L2(H2O)2(µ-ClO4)]ClO4, was synthesized and characterized by single crystal X-ray crystallography, FT-IR and UV-Vis spectroscopy, and elemental analysis. In this complex, L⁻¹ is the deprotonated form of N-5-bromosalicylidene-1,3-propanediamine. Single crystals of the complex were crystallized in th...
Article
In this study, two new and one previously reported mixed ligand Cu(II) complexes were synthesized and characterized. The complexes have general formula [Cu(L¹)(L²)]ClO4 in which L¹ is an NN′O type unsymmetrical tridentate Schiff base ligand and L² is an N-donor heterocyclic ligand, i.e. 2,2′-bipyridine in complex (2), 4,4′-di-t-butyl-2,2′-bipyridin...
Article
Three new mixed-ligand Cu(II) complexes with general formula [CuLx(2,2′-bipyridine)]ClO4 (x = 1–3) where synthesized and characterized by x-ray crystallography, elemental analyses, and spectroscopic techniques such as FTIR and UV–Vis spectroscopy. The complexes contain an unsymmetrical Schiff base ligand (Lx) and one 2,2′-bipyridine co-ligand. The...
Article
Three new Cu(II) Schiff base complexes with bidentate N-donor heterocyclic co-ligands, 2,2'-bipyridine (1), 1,10-phenanthroline (2), and 2,9-dimethyl-1,10-phenanthroline (3), were synthesized and characterized by FT-IR and UV-vis spectroscopy. Molecular structures of [C20H21CuN4O](ClO4) (1) and [C24H25CuN4O](ClO4) (3) were characterized by single-c...
Article
Full-text available
In this study, spinel-type cobalt oxide (Co 3 O 4 ) and Co 3-x Dy x O 4 (x = 0.04 and 0.05 molar ratio) nanoparticles were synthesized via combustion method at 700 °C. Crystallite nature, phase purity and thermal analysis of the prepared compounds were investigated by PXRD, FT-IR and TGA techniques. Structural analyses were performed by the FullPro...
Article
Nanostructured Sr2As2O7 samples were synthesized by hydrothermal crystal growth reactions between Sr(NO3)2 and As2O3 with different stoichiometric Sr:As molar ratios as 1:1 (S1), 1:2 (S2) and 2:1 (S3). The synthesized nanomaterials were characterized by powder X-ray diffraction (PXRD) technique and fourier-transform infrared (FTIR) spectroscopy. Ri...
Article
Different morphologies of SnO2 nanostructures, such as zero-dimensional (0D) nanoparticles (np), one-dimensional (1D) nanowires (nw), two-dimensional (2D) nanosheets (ns), and three-dimensional (3D) nanoflowers (nf) were synthesized by a user friendly and facile method just changing the kind of surfactant as morphology-director and structure-growth...
Article
Undoped NiO, W-doped NiO and Pd-doped NiO nanoflowers were prepared by hydrothermal, or precipitation method using NiSO4, WCl6 and PdCl2 as precursor compounds. The characterizations and microstructural analyses were performed by powder X-ray diffraction (PXRD), field emission scanning electron microscopy (FESEM), and energy dispersive X-ray analys...
Article
Two new Ni(II) and Cu(II) complexes of a tetradentate Schiff base ligand (1 and 2, respectively), derived from the condensation of meso-1,2-diphenyl-1,2-ethylenediamine with 2-hydroxy-6-methoxy benzaldehyde, were synthesized and characterized by IR, UV–Vis, ¹H NMR spectroscopy, and X-Ray crystallography. The central metal ions in both complexes are...
Article
Nanostructured thin films of ZnO and Zn2SnO4 have been grown on Alumina target via a facile atmospheric pressure chemical vapor deposition (CVD) method, using metallic zinc and tin precursors. Different substrates to target distances were investigated and pure hexagonal wurtzite ZnO and high quality Zn2SnO4 mixed metal oxide were grown at 1 and 5 c...
Article
Full-text available
In the present work, a series of new Schiff base ligands from acetylacetone and salicylaldehyde with sulfonamides derivatives were synthesized and characterized by spectral and analytical techniques. The molecular structures of ligands, N-({4-[(E)-(2-hydroxybenzylidene)amino]phenyl}sulfonyle)acetamide (HL1), N-({4-[(E)-(2-hydroxybenxiliden)amino]ph...
Article
Full-text available
Two new unsymmetrical copper(II) Schiff base complexes, [CuLn(py)]ClO4 (n = 1, 2) in which Ln represents a tridentate N2O type Schiff base ligand, were synthesized. Lns were derived from monocondensation of meso-1,2-diphenyl-1,2-ethylenediamine with salicylaldehyde or 3-methoxysalicylaldehyde. The reaction between [CuLn(py)]ClO4 with other salicyla...
Article
Three new Cobalt(III) Schiff base complexes were synthesized and characterized by spectroscopic methods and x-ray crystallography. The DFT optimized structures of the complexes agreed well with the corresponding x-ray structures. According to the calculated vibrational normal modes, the observed signals in the IR spectra of the complexes were assig...
Article
Full-text available
Sr6Nb10O30–Nb2O5 nanocomposite was synthesized in 2M NaOH aqueous solution. A stoichiometric 1:1 Sr:Nb molar ratio hydrothermal method at 120°C was used to synthesize this nanocomposite. Sr(NO3)2 and Nb2O5 were used as raw materials. The synthesized nanomaterials were characterized by powder X-ray diffraction (PXRD) technique. It was found that Sr6...
Article
Two new heteronuclear Nickel(II)/Sodium(I) complexes of a side-off compartmental Schiff base ligand were synthesized and characterized by spectroscopic methods. Crystal structures of both of the complexes were also obtained. The Schiff base ligand was synthesized from the condensation of meso-1,2-diphenyl-1,2-ethylenediamine with 2-hydroxy-3-methox...
Article
Full-text available
Nanostructured RuO2 powders were synthesized via a hydrothermal method at 180 °C for 12 h using 1 and 2 M NaOH aqueous solutions. The structure of the obtained nanomaterials was investigated by powder X-ray diffraction (PXRD) technique. The morphology the obtained materials were studied by field emission scanning electron microscope (FESEM). The te...
Article
Full-text available
Five new Ni(II) Schiff base complexes [NiLx(Solv)2] denoted by NiLx, x = 1–5, were synthesized and characterized. The Schiff base ligands were synthesized from the condensation of 5-bromo-2-hydroxy-3-nitrobenzaldehyde with different aliphatic and aromatic diamines. The X-ray crystal structure of NiL3 was determined. The ligands and complexes were t...
Poster
Full-text available
Ruthenium oxide (RuO2) has versatile functionality. It has been extensively used as catalyst in organic and inorganic reactions . In the other hand, Sm3+ shows fast oxygen ion mobility and better catalytic properties. The present work investigates the hydrothermal synthesis of ruthenium oxide doped samarium oxide (SmxRu1-xO2). The effect of Sm+3 on...
Article
Full-text available
Bi2Mn2O7 Nano-powders were synthesized via a stoichiometric 1:1 Bi:Mn molar ratio hydrothermal method at 180 ˚C for 48 h in a 1M NaOH aqueous solution. Ultraviolet–Visible (UV-Vis) spectrum analysis showed that the nanostructured Bi2Mn2O7 powders possessed strong light absorption in the ultraviolet region and the direct band gap energy was obtained...
Article
Full-text available
Two new and two previously reported Schiff base ligands as well as four corresponding new Cu(II) complexes (CuL1−4) were synthesized and characterized. The Schiff base ligands were synthesized from condensation of 5-bromo-2-hydroxy-3-nitrobenzaldehyde with aliphatic (H2L1-2) or aromatic (H2L3−4) diamines. Crystal structures of CuL2 and CuL3 were de...
Article
Full-text available
Sr 5 Nb 4 O 15 – Nb 2 O 5 nanocomposites were synthesized in 2 and 4 M KOH aqueous solutions, via a non-stoichiometric 1:2 Sr:Nb molar ratio hydrothermal method at 160°C for 48 h (S 1 and S 2 , respectively). Sr(NO 3) 2 and Nb 2 O 5 were used as raw materials. The synthesized nanomaterials were characterized by powder X-Ray diffraction (PXRD) techn...
Article
In this work, a novel method called Syringe-assisted dispersive micro solid phase extraction (SA-DM-SPE) was developed based on repeatedly withdrawing and pushing out a mixture of an aqueous sample including some chelated potentially toxic metal ions with bis-(acetylacetone) ethylenediimine and a low level of a suitable adsorbent (1.6 mg of multi-w...
Article
Four new manganese(III) Schiff base complexes (1-4) were synthesized and characterized. The complexes have general formula [MnClLx] in which L represents a Schiff base ligand derived from condensation of meso-1,2-diphenyl-1,2-ethylenediamine with salicylaldehyde or its 3-OMe-, 5-Br- or 5-OMe-derivatives (x = 1-4, respectively). The crystal structur...
Article
Sr2Nb2O7 nano-powders were synthesized via a hydrothermal reaction in a NaOH solution at 120 °C for 48 h followed by calcination at 400 °C for 3 h using Sr(NO3)2 and Nb2O5 in the nonstoichiometric 1:2 Sr:Nb molar ratio as raw materials. The synthesized materials were characterized by powder X-ray diffraction (PXRD) technique and Fourier transform i...
Article
Full-text available
Bi2V2O7 nano powders were synthesized via a solid state reaction at 500 °C for 8 h using Bi(NO3)3 and VO(acac)2 at stoichiometric 1:1 Bi:V molar ratio as raw materials. The synthesized material was characterized by the powder X-ray diffraction (PXRD) technique and Fourier-transform infrared (FTIR) spectroscopy. Structural analysis was performed by...
Article
Nanostructured CeO2 powders were synthesized via a series of hydrothermal and solution precipitation methods. Three different hydrothermal methods including 1:2 and 1:1 Bi:Ce molar ratios at 180 °C for 48 h (S1 and S2, respectively) without calcinations; and 2:1 Bi:Ce molar ratio at 180 °C for 48 h with calcinations (S3) were performed successfully...
Article
Full-text available
La2Ce2O7 nano-powders were synthesized via a hydrothermal reaction in a deionized water (S 1) and in a 2 M NaOH aqueous solution (S 2) at 180 °C for 48 h. La(NO3)3·H2O and (NH4)2Ce(NO3)6 were used in the stoichiometric 1:1 La:Ce molar ratio as raw materials. The obtained materials were crystallized in a cubic crystal structure with space group. The...
Article
The synthetic chemistry of substituted 4,4'-azobis(phenylcyanamide) ligands was investigated, and the complexes [{Ru(tpy)(bpy)}2(μ-L)][PF6]2, where L = 2,2':5,5'-tetramethyl-4,4'-azobis(phenylcyanamido) (Me4adpc(2-)), 2,2'-dimethyl-4,4'-azobis(phenylcyanamido) (Me2adpc(2-)), unsubstituted (adpc(2-)), 3,3'-dichloro-4,4'-azobis(phenylcyanamido) (Cl2a...
Article
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Bi 2 Mn 2 O 7 Hydrothermalmethod Solid state Nano materials PXRD Bi 2 Mn 2 O 7 nano-powders were synthesized via hydrothermal method involving astoichiometric1:1Bi to Mn molar ratio at 180°C for 48 h in a 1M NaOHaqueous solution,and solid state method,usingBi(NO 3) 3 .5H 2 O andMnO 2 as raw materials. The synthesized materials were characterized by...
Article
Fe3O4 magnetic nanoparticles modified with Schiff base ligand were prepared to remove heavy metal ions from aqueous solutions. The structure, optical properties, and morphology of the as-synthesized Fe3O4@SiO2/Schiff base ligand were investigated by powder X-ray diffraction technique, FT-IR, and scanning electron microscopy. Experiments showed that...
Book
Full-text available
Nanostructured Mn 2 Sb 2 O 7 powders were synthesized via stoichiometric1:1 Mn:Sb molar ratio solid state reaction at different reactions temperatures for 8 h using MnSO 4 .H 2 O and Sb 2 O 3 as raw materials. The synthesized materials were characterized by powder X-ray diffraction (PXRD) technique. Structural analyses were performed by the FullPro...
Article
In this study the removal of methylene blue (MB) dye from aqueous solutions by polyacrylamide (PAA) as a potential adsorbent was reported. PAA was characterized using SEM and FTIR measurements. Batch adsorption experiments were performed as a function of the solution pH, contact time, solute concentration and temperature. Evaluation of the obtained...
Article
Full-text available
A series of new derivatives and previously reported Schiff base ligands and their oxidovanadium(IV) complexes were synthesized, characterized and tested as potential antibacterial agents against four human patho-genic bacteria. These N 2 O 2 type Schiff base ligands were derived from the condensation of meso-1,2-diphenyl-1,2-ethylenediamine with di...
Article
In the present study, the simultaneous preconcentration of copper, cobalt and zinc based on ultrasound-assisted ionic liquid-based dispersive liquid-liquid microextraction as a prior step to their determination by flame atomic absorption spectrometry was developed. Some effective parameters such as type and volume of extraction and dispersive solve...
Article
Full-text available
Ionic liquid-based dispersive liquid-liquid microextraction (IL-DLLME) coupled with high performance liquid chromatography (HPLC) with UV detection was developed for the simultaneous extraction and determination of nickel, cobalt, copper and zinc ions. In the proposed approach, salophen (N,N'-bis(salicylidene)-1,2-phenylenediamine) was used as a ch...
Article
A green and highly selective solid phase extraction was employed for simultaneous preconcentration and determination of lead and zinc ions in complex real samples by differential pulse anodic stripping voltammetry. The presented method is based on the adsorption of zinc and lead ions on SDS-coated nano-alumina modified with sodium salicylaldehyde-5...
Article
Full-text available
Two new polypyridyl complexes [Ru(ttp)(L1)Cl]PF6 (1) and [Ru(ttp)(L2)Cl]PF6 (2) with noninnocent o-benzoquinonediimine (L1; bqdi) and 4,5-dimethyle-o-benzoquinonediimine (L2; 4,5-di-Mebqdi) ligands were synthesized and characterized (ttp = 4  -p-toloyle-2, 2  : 6  , 2   -terpyridine). Cyclic voltammetry studies suggest that nonin...
Article
A series of Ni(II) complexes of salen type Schiff base ligands were synthesized and characterized. The ligands were synthesized from the condensation of meso-1,2-diphenyle-1,2-ethylenediamine with salicylaldehyde (H2L1), 5-bromosalicylaldehyde (H2L2), 5-bromo-3-nitrosalicylaldehyde (H2L3), and 2-hydroxyacetophenone (H2L4). The complexes were charac...
Article
Full-text available
The synthesis, characterization, spectroscopic and electrochemical properties of trans-[CoIII(L1)(Py)2]ClO4 (I) and trans-[CoIII(L2)(Py)2]ClO4 (II) complexes, where H2L1 = N,N′-bis(5-chloro-2-hydroxybenzylidene)-1,3-propylenediamine and H2L2 = N,N′-bis(5-bromo-2-hydroxybenzylidene)-1,3-propylenediamine, have been investigated. Both complexes have b...
Article
Four new N2O2 type tetradentate Schiff base complexes of Co(III), [Co(L )(py)2]PF6 (CoL , x = 1,3–4), and [CoNa(L2)(py)(OAc)(CH3CH(OH)CH3)(H2O)]ClO4�(CH3CH(OH)CH3), (CoNaL2), where Lxs are tetradentate Schiff base ligands derived from the condensation of meso-1,2-diphenyl-1,2-ethylenediamine (mesostil- benediamine) with salicylaldehyde derivatives,...
Article
Full-text available
A new N2O2 type water soluble Schiff base ligand and three new Cobalt (III) complexes of this ligand were synthesized and characterized by means of 1HNMR, IR and UV-Vis spectroscopies as well as elemental analyses. The complexes have general formula [Co(L)(L')2](PF6)3, in which L is the Schiff base ligand and L's are pyridine (CoL1), Imidazole (CoL...