Bernard Omondi

Bernard Omondi
University of KwaZulu-Natal | ukzn · School of Chemistry and Physics

PhD

About

264
Publications
23,388
Reads
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1,365
Citations
Additional affiliations
July 2018 - present
University of KwaZulu-Natal
Position
  • Professor (Associate)
Description
  • Lecturer and Researcher - Courses taught: General and Physical Chemistry - 1st 2nd and 3rd year and 3rd year Chemical Engineering Industrial Chemistry - 3rd year Group Theory and Molecular Symmetry - Honours Crystallography - Honours
January 2016 - June 2018
University of KwaZulu-Natal
Position
  • Professor (Associate)
Description
  • Lecturer and Researcher Courses taught: Physical Chemistry - 1st 2nd and 3rd year and 3rd year Chemical Engineering Industrial Chemistry - 3rd year Group Theory and Molecular Symmetry - Honours Crystallography - Honours
April 2011 - April 2020
University of KwaZulu-Natal
Position
  • Lecturer
Description
  • Lecturer and Researcher Courses taught: Physical Chemistry - 1st 2nd and 3rd year and 3rd year Chemical Engineering Industrial Chemistry - 3rd year Group Theory and Molecular Symmetry - Honours Crystallography - Honours
Education
January 2004 - December 2006
University of the Witwatersrand
Field of study
  • Chemical Crystallography
January 2001 - December 2002
University of the Witwatersrand
Field of study
  • Inorganic Chemistry
January 2000 - December 2000
University of the Witwatersrand
Field of study
  • Applied Chemistry - Honours

Publications

Publications (264)
Article
Full-text available
Electrochemical, surface, and density functional theory (DFT)/Monte Carlo (MC) simulation studies were used in investigating the characteristics of N,N'-(disulfanne-1,2-dicarbonothioyl)bis(N,N'-bis(2,6-dimethylphenyl)formimidamide) (DS1), N,N'-(disulfanne-1,2-dicarbonothioyl)bis(N,N'-bis(2,6-diisopropylphenyl)formimidamide) (DS2), N,N'-(disulfanne-...
Article
Full-text available
Nine silver(I) N,N′‐diarylformamidine complexes of type [Ag (Ln)2X] (where X = NO3‐, CF3COO‐, and CF3SO3‐ , n = 1—5) were synthesised and characterized by physiochemical and spectroscopic techniques. Further confirmation for the formation of the complexes was provided by single‐crystal X‐ray crystallography. All complexes (but one) adopted linear g...
Article
Full-text available
Three copper(I) dithiocarbamate–phosphine complexes of the general formula Cu(PPh3)2L were synthesized by metathesis reactions of the potassium salt of the dithiocarbamate ligand L and the precursor complex Cu(PPh3)2NO3 in an equimolar ratio. L represents N,N′-bis(2,6-dimethylphenyl)formamidine dithiocarbamate L1 in complex 1, N,N′-bis(2,6-disoprop...
Article
Four 2-amino-4-(aryl)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (Series I) and three 2-amino-1-phenyl-7,7-dimethyl-5-oxo-4-(aryl)-1,4,5,6,7,8-hexahydroquinoline-3-carbonitrile (Series II) derivatives were formed via multicomponent microwave reactions as racemic mixtures. The solid-state IR spectra revealed bands in the region...
Article
Full-text available
Two 4H-pyran- and four dihydropyridine-based 2-formimidate-3-carbonitrile derivatives were synthesized via the conventional solvothermal and microwave radiation methods. The use of the latter technique led to the formation of the desired products in the order of minutes as compared to the former. The formation of the 2-formimidate-3-carbonitrile de...
Article
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In this communication, we feature the synthesis and in-depth characterization of a series of silver(I) complexes obtained from the complexation of quinolin-4-yl Schiff base ligands ((E)-2-((quinolin-4-ylmethylene)amino)phenol La, 2-(quinolin-4-yl)benzo[d]thiazole Lb, (E)-N-(2-fluorophenyl)-1-(quinolin-4-yl)methanimine Lc, (E)-N-(4-chlorophenyl)-1-(...
Article
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Five benzoate complexes of copper(II) were synthesized by the reaction of N-donor Schiff base ligands with copper(II) acetate and benzoate co-ligands. All complexes were characterized by physicochemical, spectroscopic techniques and single-crystal X-ray diffraction studies. Crystal structure analysis revealed mononuclear complexes Cu(C6H5COO)2(L1)2...
Article
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In this communication, we present the crystal structure of a secondary amine: 4-chloro-N-(1-(pyridin-2-yl)ethyl)aniline (Lb) obtained from a stepwise reduction of an imine, (E)-N-(4-chlorophenyl)-1-(pyridin-2-yl)ethan-1-imine (La) with sodium borohydride. The structure was characterized by FT-IR, 1H and 13C NMR, Mass Spectroscopy and X-ray diffract...
Article
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A series of Zn(II) chlorido complexes (1′–5′) supported by N,N′-bidentate N-(pyridin-2-ylethyl)amine ligands have been synthesized. Zn(II) alkyl and alkoxy complexes 1′-Me–5′-Me and 1′-OBn–5′-OBn were synthesized in situ by first reacting complexes 1′–5′ with methyl lithium and subsequently with benzyl alcohol. Both species 1′-Me–5′-Me and 1′-OBn–5...
Article
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An Ag(I)formamidine cluster Ag6L16 (1) and an Ag(I)formamidine coordination polymer Ag7(L2)2 2 (L1 = N,N′-bis(2,6-disopropylphenyl) formamidine dithiocarbamate and L2 = N,N′-mesityl formamidine dithiocarbamate) have been synthesized from the reactions of L1 and L2 with AgNO3 respectively. The complexes were characterized using spectroscopic and ana...
Article
A series of nine Zn(II) carboxylate complexes stabilized by monodentate pyridyl Schiff base ligands have been synthesized and characterized by IR, NMR, mass spectroscopy and elemental analysis. The molecular structures of three of the nine complexes were established from single-crystal X-ray diffraction studies and found to have different nuclearit...
Article
A series of N-(pyridinylmethyl)aniline Zn(II) carboxylate complexes were synthesized and fully characterized by NMR, IR, mass spectroscopy and elemental analysis. The reaction of the N-(pyridin-4-ylmethyl)aniline ligand (L1) with Zn(II) acetate and benzoic acid derivatives promoted the formation of dinuclear species with the formula [Zn(CH3COO)(RCO...
Article
Full-text available
We have previously reported a series of highly active N,O-Amino-phenolate Mg(II) and Zn(II) Schiff base complexes for caprolactone and lactide polymerization (Munzeiwa, Nyamori, and Omondi, 2019). Herein we report carboxylate Zn(II) and Cu(II) pyridinyl Schiff base complexes and in particular, those whose ligands have substituents slightly situated...
Article
A series of Cu(II) complexes were synthesized by using N-hydroxy-N,N′-diarylformamidine ligands: N-hydroxy-N,N′-(phenyl)formamidine (L1), N-hydroxy-N′-(4-methylphenyl)formamidine (L2), N-hydroxy-N,N′-(2,6-dimethylphenyl)formamidine (L3), N-hydroxy-N,N′-(2,6-diisopropylphenyl)formamidine (L4). Reaction of ligands L1–L4 with hydrated copper acetate f...
Poster
Full-text available
Death from cancer, infectious diseases and newly emerging infectious diseases have remained a global health threat. Therefore, the continuous search for new and effective transition metal complexes as biological agents is important. Ag(I) complexes of pyridinyl Schiff bases are gaining more recognition recently due to their high bio-activity at low...
Article
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Imines are fundamental organic compounds used as synthetic intermediates and as ligands in coordination chemistry. They are also found to be important pharmacophores in various bioactive compounds. In this report, two Schiff bases were prepared using the traditional condensation of 4-pyridinecarboxaldehyde with 2-thiophenemethylamine and 2-quinolin...
Article
A series of 4-(pyridylamino)- and 4-(ethynylpyridine)quinazolines were successfully prepared via Sonogashira cross-coupling and dechloroamination reactions on the C(4)-Cl position of the requisite 2-(p-phenyl)-4-chloroquinazolines. The prepared compounds were characterized by means of ¹H- and ¹³C-NMR, FT-IR and mass spectrometry techniques. The str...
Article
Three heteroleptic silver(I) dithiocarbamate triphenylphosphine complexes were developed in which triphenylphosphine was introduced as a bulky co-ligand and tested as antioxidant activity against the free radical of DPPH. All three complexes showed good antioxidant activity against the free radical of DPPH with compounds 1 and 2 having a better ant...
Article
Full-text available
A series of fifteen silver (I) quinoline complexes Q1–Q15 have been synthesized and studied for their biological activities. Q1–Q15 were synthesized from the reactions of quinolinyl Schiff base derivatives L1–L5 (obtained by condensing 2 quinolinecarboxaldehyde with various aniline derivatives) with AgNO3, AgClO4 and AgCF3SO3. Q1–Q15 were character...
Article
Full-text available
A series of new half-sandwich Ru(II) complex salts of the general formula [(η6-arene)RuX(L)]PF6 (where arene = p-cymene, X = Br and ligand L1 = N-tert-butyl-N-(pyridyl methylene) amine (complex 1), ligand L2 = N-isopropyl-2-pyridine carbaldimine (complex 2), ligand L3 = (2,5-dimethyl-phenyl)-pyridin-2-yl methylene amine (complex 3), ligand L4 = (3,...
Article
Synthesis and spectroscopic characterization of five ligands ((E)-2-((pyridin-2-ylmethylene)amino)phenol L1, 2-(pyridin-2-yl)benzo[d]thiazole L2, (E)-N-(2-fluorophenyl)-1-(pyridin-2-yl)methanimine L3, (E)-1-(pyridin-2-yl)-N-(p-tolyl)methanimine L4 and (E)-1-(pyridin-2-yl)-N-(thiophen-2-ylmethyl)methanimine L5 along with fifteen silver(I) complexes...
Article
Full-text available
Eight N,N’-diphenylformamidines with the general formula N-[(Ar),N'-[(Ar’), were synthesized and characterized using spectroscopic and analytical techniques. Four were symmetrical (Ar = Ar’) while the other four were unsymmetrical (Ar ≠...
Article
Transition metal-based drugs have shown to be good therapeutic agents and in the same effort, our work has sort to continue the search for even better ones. Five Schiff bases...
Article
A series of N-(pyridinylmethyl)aniline Zn(II) carboxylate complexes were synthesized and fully characterized by NMR, IR, mass spectroscopy, and elemental analysis. The reaction of N-(pyridin- 4-ylmethyl)aniline ligand (L1) with Zn(II) carboxylate promoted the formation of di-nuclear species with the formula [Zn(CH3COO)(RCOO)(L1)]2 and [Zn(RCOO)2(L1...
Article
Full-text available
Mercury(II) complexes of N,N′-diarylformamidine dithiocarbamate of the general formula [Hg-(L)2] (L = N,N′-bis(2,6-dimethylphenyl)formamidine dithiocarbamate L1 (1), N,N′-bis(2,6-disopropylphenyl) formamidine dithiocarbamate L2 (2), N,N′-mesityl formamidine dithiocarbamate L3 (3), N′-(2,6-dichlorophenyl-N-(2,6-dimethylphenyl) formamidine dithiocarb...
Article
Nine new complexes [(η⁶-C6H5-CH3)RuLCl]⁺(PF6)ˉ (where L = N,N′-bidentate ligand; (C5H4NCH = N-Ar) where Ar = 4-methylphenyl (C20H20ClF6N2PRu, 1); 3,4-dimethylphenyl (C21H22ClF6N2PRu, 2); 2,4,6-trimethylphenyl (C21H24ClF6N2PRu, 3); 4-bromophenyl (C19H17ClBrF6N2PRu, 4); 2,5-dimethylphenyl (C21H22ClF6N2PRu, 5); 2-flourophenyl (C19H17ClF7N2PRu, 6), (4-...
Article
We report the synthesis and crystal structures of bis(dibenzyl dithiocarbamato) copper(II) and silver(I) complexes and their use as precursors to prepare Cu1.8S and Ag2S nanoparticles. Single crystal analysis of bis(dibenzyl dithiocarbamato)Cu(II) complex consist of a monomeric entity where the two dibenzyl dithiocarbamate ligands form a distorted...
Article
In this study, we present the synthesis and biological evaluation of a series of formamidine-based thiuram disulfides using computational tools. Six compounds were synthesized via, the oxidation of formamidine-based dithiocarbamates. These were, N,N′-bis(2,6-dimethylphenyl)formamidine dithiocarbamate (L1), N,N′-bis(2,6-disopropylphenyl) formamidine...
Article
Full-text available
A series of five dithiocarbamate ligands and their respective Ag(I) and Cu(I) triphenylphosphine complexes of the general formula [Ag/Cu(PPh3)2L] were synthesized and characterized. The dithiocarbamate ligands were synthesized from formamidines with substituents in the 2 and/or 6 positions of the phenyl rings, intentionally keeping substituents on...
Article
Full-text available
Three symmetric N,N‐diarylformamidine dithiocarbamates, N,N′‐bis(2,6‐dimethylphenyl)formamidine dithiocarbamate (DTL1), N,N′‐bis(2,6‐disopropylphenyl)formamidine dithiocarbamate (DTL2) and N,N′‐dimesitylformamidine dithiocarbamate (DTL3), and three unsymmetric ones, N′‐(2,6‐dichlorophenyl‐N‐(2,6‐dimethylphenyl)formamidine dithiocarbamate (DTL4), N′...
Article
Full-text available
Diverse P,N-phosphine ligands reported to date have performed exceptionally well as auxiliary ligands in organometallic catalysis. Phosphines bearing 2-pyridyl moieties prominently feature in literature as compared to phosphines with five-membered N-heterocycles. This discussion seeks to paint a broad picture and consolidate different synthetic pro...
Article
Full-text available
C 19 H 13 ClN 4 O 6 , monoclinic, P 2 1 / n (no. 14), a = 4.8032(1) Å, b = 19.5545(5) Å, c = 19.6915(6) Å, β = 90.640(1)°, V = 1849.39(8) Å ³ , Z = 4, Rgt ( F ) = 0.0369, wRref ( F² ) = 0.1011, T = 100(2) K.
Article
Full-text available
C 24 H 20 Cl 2 N 4 O 2 Zn, triclinic, P 1̄ (no. 2), a = 9.9265(6) Å, b = 15.368(1) Å, c = 16.636(1) Å, α = 102.760(1)°, β = 90.385(2)°, γ = 94.112(3)°, V = 2311.4(3) Å ³ , Z = 4, Rgt ( F ) = 0.0260, wRref ( F² ) = 0.0653, T = 100(2) K.
Article
Full-text available
C 22 H 23 ClN 2 F 7 OPRu, monoclinic, P 2 1 / c (no. 14), a = 7.30480(10) Å, b = 12.9540(3) Å, c = 28.7076(6) Å, β = 96.6990(10)°, V = 2697.95(9) Å ³ , Z = 4, Rgt ( F ) = 0.0196, wRref ( F² ) = 0.0479, T = 100(2) K.
Article
Full-text available
C 19 H 26 IN 2 F 6 Ru, triclinic, P 1̄ (no. 2), a = 9.240(2) Å, b = 10.019(3) Å, c = 12.689(3) Å, α = 78.921°, β = 81.596(10)°, γ = 83.654°, V = 1136.30(5) Å ³ , Z = 2, Rgt ( F ) = 0.0174, wRref ( F² ) = 0.0440, T = 173 K.
Article
Full-text available
Six ferrocenyl imidazole derivatives substituted with -Cl, -NO2 and -CH3 on the 2-position of the 1H-imidazole ring have been synthesized. Of the six compounds, the di-substituted ferrocenes, i.e. compounds 4 (1,1′-ferrocenylmethyl(2-chloroimidazole)), 5 (1,1′-ferrocenyl(2-nitroimidazole)), and 6 (1,1′-ferrocenylmethyl(2-methylimidazole)) are repor...
Article
Full-text available
C 20 H 14 N 2 O 2 , monoclinic, C 2/ c (no. 15), a = 17.8410(5) Å, b = 15.3081(4) Å, c = 11.3881(3) Å, β = 104.280(1)°, V = 3014.12(14) Å ³ , Z = 8, Rgt ( F ) = 0.0364, wRref ( F² ) = 0.0997, T = 100(2) K.
Article
A series of six N′N-diarylformamidine dithiocarbamate ligands and their metal complexes of Cu(II) and Ni(II) chloride salts have been synthesized. Three symmetrical, N,N′-bis(2,6-dimethylphenyl)formamidine dithiocarbamate (DL1), N,N′-bis(2,6-disopropylphenyl)formamidine dithiocarbamate (DL2), N,N′-mesityl formamidine dithiocarbamate (DL3) and three...
Article
Full-text available
C 5 H 12 NNaO 3 S 2 , monoclinic, P 2 1 / c (no. 14), a = 28.8222(3) Å, b = 5.6782(3) Å, c = 12.3810(9) Å, β = 102.074(2)°, V = 1987.43(17) Å ³ , Z = 8, Rgt ( F ) = 0.0269, wRref ( F² ) = 0.0591, T = 100(2) K.
Article
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C 17 H 16 N 8 O 8 , orthorhombic, Pna 2 1 (no. 33), a = 13.2406(3) Å, b = 21.0883(5) Å, c = 7.1364(2) Å, V = 1992.64(9) Å ³ , Z = 4, Rgt ( F ) = 0.0285, wRref ( F² ) = 0.0802, T = 173(2) K.
Article
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This work focused on the synthesis of 3D Pd-based nanocomposites which were tested in Heck coupling reactions and for the hydrogenation of nitroarenes. This was achieved by fabrication of graphene oxide/nitrogen-doped carbon nanotubes (G/N-CNTs) by mechanical grinding of 2D graphene oxide (GO) and 1D oxygen-treated nitrogen-doped CNTs (N-CNTs-OT) i...
Article
Full-text available
Suzuki–Miyaura C–C coupling reactions were investigated with Pd/nitrogen-doped carbon nanotubes (Pd/N-CNTs) as a catalyst. Also, the same catalyst was examined for the solventfree oxidation of benzyl alcohol to benzaldehyde. Nitrogen-doped carbon nanotubes (N-CNTs) were synthesized from 1-ferrocenylmethyl(2-methylimidazole) and benzophenone via a c...
Article
Solventless grinding of 2-aminophenol and the corresponding aldehyde furnished compounds 2-(pyridin-2-ylmethylene)aminophenol (L1), 2-(pyridin-4-ylmethylene)aminophenol (L2), 2-(thiophen-2-ylmethylene)aminophenol (L3) and 2-(furan-2-ylmethylene)aminophenol (L4), in excellent yields of 97–99%. Reaction of ligands L1–L4 with zinc or magnesium alkyl s...
Article
Full-text available
New water-soluble complexes [(η⁶-C6H6)RuCl(C5H4N-2-CH = N-R)]Cl (1) (with R = 4-hydroxymethylphenyl (a), 2,4-dichlorophenyl (b), 2-fluorophenyl (c), 3-carboxyphenyl (d)) have been synthesized by reacting [(η⁶-C6H6)Ru(μ-Cl)Cl]2 with the N,N′-bidentate ligands in a 1:2 ratio. Full characterization of all complexes was accomplished using ¹H and ¹³C NM...
Article
Full-text available
The reactions of substituted (benzimidazolylmethyl)amines ligands (L1–L3) with ZnEt2 in the presence of either BnOH or t-BuOH afforded the corresponding Zn(II) metal alkoxides [Zn(L1)(OBn)]2 (1), [(Zn(L2)(OBn)]2(2), [Zn(L3)(OBn)]2 (3), [Zn(L2)(t-BuO)]2 (4), respectively. Complexes 1–4 formed effective initiators in the ring-opening polymerization (...
Article
Full-text available
Six new silver(I) complexes, [(AgL1)2](ClO4)2 (1), [(AgOTfL1)2] (2), [(AgO2CF3L1)2] (3), [AgL2](ClO4)2 (4), [(AgOTfL2)2] (5) and [(AgO2CF3L2)2] (6), were synthesized by reaction of 4′‐(2‐thienyl)‐2,2′;6′,2″‐terpyridine (L1) or 4′‐(2‐furyl)‐2,2′;6′,2″‐terpyridine (L2) with the respective silver salts, i.e. AgClO4, AgOTf or AgTFA. The complexes are d...
Article
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C22H22Cl4N2O4Ru, monoclinic, P21/c (no. 14), a = 15.0181(3) Å, b = 10.3983(2) Å, c = 16.6496(3) Å, β = 112.459(1)°, V = 2402.84(8) ų, Z = 4, Rgt(F) = 0.0180, wRref(F²) = 0.0474, T = 173(2) K. © 2018 Joel M. Gichumbi et al., published by De Gruyter, Berlin/Boston.
Article
Full-text available
Achieving the desired structures of organic molecules for targeted applications is vital. Folding caused by weak intermolecular forces plays an important part in their 3D structure. The discovery of powerful tools which enable us to do this are currently under investigation by researchers across the globe. In this account, quinoline was chosen as a...
Article
The reaction of the ruthenium arene dimers [(η⁶-arene)Ru(μ-Cl)Cl]2 (where arene=benzene or p-cymene) with the ligands 4-benzylidene-3,5-di(2′-pyridyl)-4-amino-1,2,4-triazole (L¹), 2-methoxybenzylidene-3,5-di(2′-pyridyl)-4-amino-1,2,4-triazole (L²), 4-methylbenzylidene-3,5-di(2′-pyridyl)-4-amino-1,2,4-triazole (L³) and indole-3-carbaldehyde-3,5-di(2...
Article
Full-text available
C44H56Cu2N4O8, monoclinic, P21/c (no. 14), a = 11.1061(10) Å, b = 20.5117(17) Å, c = 9.8185(9) Å, β = 101.302(2)°, V = 2193.27(15) ų, Z = 2, Rgt(F) = 0.0283, wRref(F²) = 0.0753, T = 100 K.
Article
A series of Zn(II) and Cu(II) complexes were synthesized using unsymmetrical N,N′- diarylformamidine ligands, i.e. N-(2-methoxyphenyl)-N′-2,6-dichorophenyl)-formamidine (L1), N-(2-methoxyphenyl)-N′-phenyl)-formamidine (L2), N-(2-methoxyphenyl)-N′-(2,6-dimethylphenyl)-formamidine (L3) and N-(2-methoxyphenyl)-N′-(2,6-diisopropylphenyl)-formamidine (L...
Article
Ten complexes [(η⁶-(arene)OsCl(C5H4N-2-CH=N-C6H5X)]PF6 (with arene = p-cymene (1) or benzene (2); X = 4-F (a), 4-Cl (b), 4-Br (c), 4-I(d) and 4–methyl (e)) were synthesized by reacting the corresponding N,N′-bidentate ligands with the osmium arene dimers [(η⁶-arene)Os(μ-Cl)Cl]2 in a 2:1 ratio. Complexes 1a-e and 2c-d are new. The compounds were ful...
Article
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New osmium(II)-arene complexes [(η⁶-C6H6)OsCl(C5H4N-2-CH=N-C6H5X)](PF6) (X = p-flouro (1), p-chloro (2), p-methyl (3)) were synthesized by reaction of the corresponding bidentate N,N’-ligands with the osmium-arene precursor [(η⁶-C6H6)Os(μ-Cl)Cl]2 in a 2:1 ratio. These complexes were characterized by UV-Vis, IR, ¹H, ¹³C NMR spectroscopy and elementa...
Article
Full-text available
Reactions of (benzimidazolylmethyl)amine ligands N-((1H-benzo[s]imidazol-2-yl)methyl)-2,6-dimethylaniline (L1), N-((1H-benzo[d]imidazol-2-yl)methyl)-2,6-diisopropylaniline (L2), and N-((1H-benzo[d]imidazol-2-yl)methyl)-2,4,6-trimethylaniline (L3) with Mg(n Bu) 2 in the presence of either benzyl alcohol (BnOH) or tert-butyl alcohol (t-BuOH) afforded...
Article
Sol-gel method was used to prepare Ce 0.8 Sm 0.2 Ir y Co 1-y O 3-& (CSIC) (y = 0.03 and 0.04). All materials were characterized using powder X-ray powder diffraction (XRD), Raman spectroscopy, infrared (IR) spectroscopy, high resolution transmission electron microscopy (HRTEM) and scanning electron microscopy (SEM). The materials were then tested a...
Article
The occurrence of concomitant polymorphism in 4′-(isoquinolyl)-2,2′:6′,2″-terpyridine, 1a and 1b (2-quinterpy) and conformational polymorphism in 4′-(4-quinolyl)-2,2′:6′,2″-terpyridine (4-quinterpy) has been identified to due to crystallization process and solvent, respectively. Crystallization of 2-quinterpy in acetone yielded the concomitant poly...
Article
Discrete Zn(II) and Cu(II) complexes have been synthesized by using N-hydroxy-N,N′-diarylformamidine ligands: N-hydroxy-N,N′-bis(2,6-diisopropylphenyl)formamidine (L1), N-hydroxy-N,N′-bis(2,6-dimethyl)formamidine (L2), N-hydroxy-N-(2-methoxyphenyl)-N′-(2,6-diisopropylphenyl)formamidine (L3), and N-hydroxy-N-(2-methoxyphenyl)-N′-(2,6-dimethylphenyl)...
Article
Full-text available
Reactions of AgO2C2F3 with (E)-N-(pyridylmethylene)aniline in which the pyridyl N is in the p- or m-position yielded two 1-D coordination polymers, [(AgO2C2F3)2(La)2]n (La = (E)-2,6-diisopropyl-N-(pyrid-3-ylmethylene)aniline) (1) and [(AgOC2F3)2(Ld)2]n (Ld = (E)-2,6-diisopropyl-N-(pyrid-4-ylmethylene)aniline) (5), and three discrete complexes, [(Ag...