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Showing papers in "Polyhedron in 2006"


Journal ArticleDOI
TL;DR: In this paper, the trinuclear unit is held together by bridging deprotonated phenolic oxygen atoms from the Schiff base and acetate groups, and the structures of the three synthesised complexes have been determined by single-crystal X-ray diffraction.

338 citations


Journal ArticleDOI
TL;DR: The coordination chemistry of pyridyl oximes is reviewed in this paper, with emphasis on structural features and physical properties (mainly magnetic properties) of the resulting metal complexes.

299 citations


Journal ArticleDOI
TL;DR: In this paper, the synthesis, structure and magnetic properties of Fe2Ln2, Fe2Y2, Mn2Yb2 and Mn2y2 complexes were reported.

187 citations


Journal ArticleDOI
TL;DR: In this article, the reaction of 2-benzoylpyridine N(4)-phenyl thiosemicarbazone (HL) with a variety of copper salts yielded a series of copper(II) complexes of the type [CuLX] where X = Cl (1), Br (2), NO3 (3), NCS (4), N3 (5) excluding the perchlorate complex.

154 citations


Journal ArticleDOI
TL;DR: The use of metals in therapeutic drugs has become increasingly important over the last couple of decades resulting in a variety of exciting and valuable drugs such as cisplatin and auranofin this paper.

145 citations


Journal ArticleDOI
TL;DR: In this article, two new copper-II and cobalt-II coordination polymers have been synthesized and their crystal structures determined by X-ray crystallography, and they exhibit catalytic activity on the oxidation of cyclohexene using hydrogen peroxide as oxidant under aerobic conditions.

119 citations


Journal ArticleDOI
TL;DR: In this article, two new series of Zn(II) complexes of α/β-naphthyl-(2-pyridylmethylene)amine and 1-alkyl-2-β-azoimidazoles with N 3 as a counter ion are described.

118 citations


Journal ArticleDOI
Yu-Sheng Jiang1, Zhen-Tao Yu1, Zuo-Lei Liao1, Guanghua Li1, Jie-Sheng Chen1 
TL;DR: In this paper, two new uranyl-organic compounds (UO2)3O(OH)3(NA)2]−H3O+ (1) (HNA =nicotinic acid) and UO22(phen)2(BTEC) have been prepared under hydrothermal conditions.

98 citations


Journal ArticleDOI
TL;DR: In this paper, a series of luminescent Zn(II) and Cd(II)-complexes were prepared based on three different π-conjugated ligands.

96 citations


Journal ArticleDOI
TL;DR: In this article, a particular concentration of glucose was found to assist the generation of stable copper nanorods from alkaline copper sulfate solution, and the nanorod was used as a selective catalyst for phenol oxidative coupling reaction for a model compound.

95 citations


Journal ArticleDOI
TL;DR: In this paper, simple synthetic routes are given to the Ag(I) complexes, [Ag2(imH)4]-salH)2 (imH=imidazole; salH2= salicylic acid), [Ag(MeNO2imH)-ClO4·nH2O (MeNO 2imH-H 2 O(nH 2 ).

Journal ArticleDOI
TL;DR: In this paper, the preparation of new tetrakis[bis(pentafluorophenyl)methoxyl] substituted metal free and metallophthalocyanine (MPcs) complexes were achieved by the tetramerization of 4-bis(π-methoxy]phthalonitrile with Li metal in pentan-1-ol or metal [Co(II) or Zn(II)] acetates in DMAE, respectively.

Journal ArticleDOI
TL;DR: In this article, a new route for the preparation of Li and Na salts of imido-bis(sulfuric acid) difluoride from KN(SO2F)2 as a starting material is described.

Journal ArticleDOI
TL;DR: In this paper, a series of air stable low spin Ru(III) complexes of the type [RuX 2 (EPh 3 ) 2 (L)] (where X=Cl or Br; E=P or As; L=monobasic bidentate Schiff base ligand) have been synthesized from the reaction of ruthenium (III) precursors.

Journal ArticleDOI
TL;DR: In this paper, visible and near infrared (NIR) luminescence was observed in heterobimetallic 3d-4f Schiff base complexes [ZnLEu(OAc)(NO3)2]·EtOH·H2O (2), respectively (H2L= N,N′-bis(5-bromo-3-methoxysalicylidene)phenylene-1,2-diamine, OAc=acetate).

Journal ArticleDOI
TL;DR: In this paper, benzophenone thiosemicarbazone (Hbztsc, Ph2C N-NH-C(S)-NH2) with copper(I) chloride/bromide in the presence of two moles of PPh3, formed monomeric tetrahedral complexes.

Journal ArticleDOI
TL;DR: In this paper, the synthesis and characterization of the monomeric nitrite complexes [Cu(Medpt)(ONO)(H2O)]ClO4 (1) and [cu(dien)(O(1)], ClO4(2) as well as the new dinuclear bridged thiocyanato complex [Cu2Medpt)2(μN,S-NCS)2]2](3) (Medpt = 3,3′-diamino-n-methyldipropylamine and dien

Journal ArticleDOI
TL;DR: In this paper, the ability of the visible absorption spectra to provide information on axial co-ordination around copper(II) ion in aqueous solution was investigated, and a series of visible spectra was recorded on the copper( II) −2,2′-bipyridine and copper (II) − l -aspartic acid systems.

Journal ArticleDOI
TL;DR: In this article, the stability of aluminium-caffeic acid complex equilibrium in aqueous solution was studied by both UV-Vis and synchronous fluorescence spectroscopies.

Journal ArticleDOI
TL;DR: In this paper, the axial ligands affect reduction potentials of cobalt(III) in the order of changes of axial amine ligands pKa, which is attributed to metal-ligand charge transfer transitions.

Journal ArticleDOI
TL;DR: In this article, the authors characterized the transition metal Zintl ion clusters as [K 2,2,2-crypt] + salts and characterized by single-crystal X-ray diffraction, electrospray mass spectrometry, and NMR studies.

Journal ArticleDOI
TL;DR: In this paper, the authors derived and characterized four tridentate N,N,N donor base ligands by X-ray crystallography and showed that they are antiferromagnetically coupled through azido bridges.

Journal ArticleDOI
TL;DR: In this paper, a conformational analysis of the ligand molecule demonstrates that the flexibility of bte and the rotational freedom of the triazole rings result in the diversity of the topologies of the complexes.

Journal ArticleDOI
TL;DR: In this paper, the reaction of copper(II) salt with salicylidene anthanilic acid (SAA), a tridentate ligand and imidazole (ImH), a monodentate ligands or bidentate polypyridyl ligands like 2,2′-bipyridine (bipy) or 1,10-phenanthroline(phen) in MeOH:MeCN (1:1/V/V) yields [Cu(SAA)(ImH)] ( 1 ), [Cu

Journal ArticleDOI
TL;DR: In this paper, two representative complexes of oxovanadium (IV) have been determined by X-ray crystallography and their structures have been characterized by analytical, magnetic and spectroscopic measurements.

Journal ArticleDOI
TL;DR: Some new diimine and diamine-bridged dinuclear Mo(VI) complexes of the general formula (MoO2L)2(μ-N)-N) were synthesized using 2-hydroxy benzoylhydlhydrazone as tridentate ONO donor Ligand (LH2) and structurally characterized as discussed by the authors.

Journal ArticleDOI
TL;DR: In this article, the properties of spin coated spin-coated films of four different types of metallophthalocyanines were investigated and the results indicated that the film of compound 4 has potential as a sensitive coating for the monitoring of VOC vapours.

Journal ArticleDOI
TL;DR: In this paper, neutral copper(II) complexes with a tetradentate NNNS Schiff base have been synthesized using the ligand di-2-pyridyl ketone N(4),N(4)-(butane-1,4-diylthiosemicarbazone (HL).

Journal ArticleDOI
TL;DR: In this article, two Schiff bases, N-(1-pyridin-2-ylformylidene)-N′-[2-({2]-(1-polygonal polygonal diagrams)amino]ethyl amino)ethyl]ethane-1,2-diamine (L1) and N-( 1-polycyclic polycyclic deagrams-amino) methyl methylamine (L2) have been prepared and used to synthesize two series of zinc(II) pseudohalide complexes of the din

Journal ArticleDOI
TL;DR: Two tridentate Schiff bases, HL1(6-amino-3-methyl-1-phenyl-4-azahex-2-en-1one) and HL2(6amino,3,6-dimethyl-1-,4-hexhexhex 2-en1-one) on reaction with copper perchlorate in the presence of triethyl amine yielded two new trinuclear copper(II) complexes, [(CuL1)3(μ3-OH)](ClO4)2) and [(cuL2)