نتایج جستجو برای: tridentate schiff base ligands

تعداد نتایج: 362735  

2012
Akbar Ghaemi Saeed Rayati Kazem Fayyazi Seik Weng Ng Edward R. T. Tiekink

The complete mol-ecule of the title complex, [Cu(2)(C(13)H(19)N(2)O(2))(2)(N(3))(2)], is generated by the application of a centre of inversion. The central Cu(2)N(2) core is a rhombus as the μ(2)-azide ligands bridge in an asymmetric fashion. Each Cu(II) atom is also coordinated by a monoanionic tridentate Schiff base ligand via the anti-cipated oxide O, imine N and amine N atoms. The resulting...

2010
Yang Zou Yin-Zhi Jiang Wei-Zu Wang

In the title complex, [Cu(C(9)H(6)N(2)O(5))(H(2)O)(2)]·2H(2)O, the Cu(II) atom has a square-pyramidal coordination environment with a tridentate N-(5-nitro-2-oxidobenzyl-idene)glycinate Schiff base ligand and a water mol-ecule in the basal plane. The apical site is occupied by an O atom from another coordinated water mol-ecule. The crystal structure is stabilized by O-H⋯O hydrogen bonds, buildi...

2014
N. Srividhya

The new Schiff bases are synthesis from various and aldehyde and amine under magnetic stirrer method .The synthesized Schiff base were characterized by spectral techniques (UV-Spectra & IR-Spectra). And the Schiff base are yellow colour solid and having sharp melting point and insoluble in organic solvents.

2014
Elena A. Buvaylo Vladimir N. Kokozay Olga Yu. Vassilyeva Brian W. Skelton

The title compound, [Co(C13H9N2O2)2]·1.5C3H7NO, is formed as a neutral Co(II) complex with di-methyl-formamide (DMF) solvent mol-ecules. The Co(II) atom has a distorted O2N4 octa-hedral coordination sphere defined by two tridentate anionic Schiff base ligands with the O atoms being cis. The coordination sphere around the Co(II) atom is geometrically different from that reported for the co-cryst...

2008
Xiangru Wen Yongmin Liu Zhengyi Li

In the title compound, [Na(H(2)O)(2)]ClO(4)·[Cu(2)(C(9)H(7)NO(3))(2)(C(6)H(7)N)(2)], the Cu(II) atom is coordinated by one N atom and two O atoms from a tridentate N-salicylideneglycinate Schiff base dianion and one N atom from a 3-methyl-pyridine ligand. Longer Cu⋯O contacts [2.680 (2) Å] complete an approximate square-based pyramidal coordination geometry around Cu(II), forming a dimeric comp...

Journal: :Molecules 2009
Yan-Fang Wang Jian-Feng Liu Hui-Duo Xian Guo-Liang Zhao

A new dinuclear complex, [Ni(2)(H(2)O)L(4)].5H(2)O, consisting of chelating bidentate and bridging tridentate coordinated 2-[(4-methylphenylimino)methyl]-6-methoxyphenol (HL) Schiff base ligands and water molecules has been synthesized using a traditional method. The structure of this complex was characterized by FTIR and UV/Vis spectroscopy and thermogravimetric analyses (TG-DTG) and further c...

2012
M. Gowri C. Jayabalakrishnan

A novel Schiff base (Z)-4-(((2-hydroxy phenyl)amino)(phenyl)methylene)-3-methyl-1-phenyl-1Hpyrazol-5(4H)-one and its analogues were synthesized by condensation of 5-methyl-2-phenyl-4-substituted pyrazolin3-one with 2-amino phenol from alcoholic solution.Schiff base ligands arecharacterizedby IR, UV, NMR, elemental analysis and single crystal Xray diffraction analysis. These potential ligands ar...

Journal: :journal of sciences islamic republic of iran 0

we have prepared and characterized a few mn (iii) complexes by using a few bidentate and tridentate ligands. spectra of the manganese (abstract we have prepared and characterized a few mn (iii) complexes by using a few bidentate and tridentate ligands. spectra of the manganese (iii) ion in a variety of molecular environments are reported . on the basis of solution spectra, some of these complex...

2011
S. Arunachalam N. Padma Priya C. Jayabalakrishnan V. Chinnusamy

Stable ruthenium(II) carbonyl complexes having the general composition [Ru(CO) (PPh3)(py)(L)] (where L= bianion of tridentate Schiff bases (H2L, H2L and H2L)) were synthesized from the reaction of [RuHCl(CO)(PPh3)2(py)] with bidentate Schiff base ligands derived from condensation of isatin with o-aminophenol / o-aminothiophenol / o-aminobenzoic acid. The new complexes were characterized by elem...

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