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Wagner M. Teles

Universidade Federal de Juiz de Fora

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Publication

Featured researches published by Wagner M. Teles.

Journal of the Brazilian Chemical Society | 2005

Synthesis and spectroscopic characterization of tin(II) and tin(IV) complexes containing 2,3,5,6-tetrakis(alpha-pyridyl)pyrazine as a bridging ligand

Rodrigo S. Bitzer; Wagner M. Teles; Anuar Abras; José D. Ardisson; Carlos A. L. Filgueiras

Neste trabalho foram investigadas as reacoes entre o ligante heterociclico nitrogenado 2,3,5,6-tetraquis(a-piridil)pirazina, TPP, e seis precursores de estanho, a saber: SnCl2, SnX4 (X = Cl ou Br), SnRCl3 (R = Ph ou Me) e SnPh2Cl2. Os produtos foram caracterizados por microanalise (C, H, N e Sn), espectroscopia no infravermelho (4000-200 cm-1), RMN de 1H, 13C{1H}, 13C-CP/MAS, 119Sn e 119Sn-MAS, bem como por espectroscopia Mossbauer de 119Sn. Todas as reacoes levaram ao isolamento de complexos bimetalicos, nos quais o TPP se comportou como um ligante bis-bidentado em ponte, ligando-se a cada centro metalico atraves de dois atomos de nitrogenio piridinicos. Este modo de coordenacao e ainda raro na literatura e, pela primeira vez, e observado em complexos de TPP com um metal representativo.

Inorganic Chemistry | 2004

Synthesis, crystal structure, and spectroscopic characterization of trans-bis[(mu-1,3-bis(4-pyridyl)propane)(mu-(3-thiopheneacetate-O))(3-thiopheneacetate-O)]dicopper(II), [[Cu2(O2CCH2C4H3S)4mu-(BPP)2]]n: from a dinuclear paddle-wheel copper(II) unit to a 2-D coordination polymer involving monatomic carboxylate bridges.

Maria Vanda Marinho; Maria Irene Yoshida; Kassílio José Guedes; Klaus Krambrock; Adailton J. Bortoluzzi; Manfredo Hörner; Flávia C. Machado; Wagner M. Teles

Polyhedron | 2007

Transition metal complexes with squarate anion and the pyridyl-donor ligand 1,3-bis(4-pyridyl)propane (BPP): Synthesis, crystal structure and spectroscopic investigation

Charlane C. Corrêa; Renata Diniz; Luciano H. Chagas; Bernardo L. Rodrigues; Maria Irene Yoshida; Wagner M. Teles; Flávia C. Machado; Luiz Fernando C. de Oliveira

Inorganica Chimica Acta | 2008

Spectroscopic and structural analyses of the copper(II) 2-D coordination polymer {[Cu2(BPP)4(NCS)4]}n (BPP = 1,3-bis(4-pyridyl)propane) comprising interpenetrated layers of (4, 4) topology

Regis de A. Farani; Wagner M. Teles; Carlos B. Pinheiro; Kassı´lio J. Guedes; Klaus Krambrock; Maria Irene Yoshida; Luiz Fernando C. de Oliveira; Flávia C. Machado

Vibrational Spectroscopy | 2007

Synthesis, vibrational spectroscopy and crystal structures of polymers involving transition metals with squarate ions and 1,3-bis(4-pyridyl)propane

Charlane C. Corrêa; Renata Diniz; Luciano H. Chagas; Bernardo L. Rodrigues; Maria Irene Yoshida; Wagner M. Teles; Flávia C. Machado; Howell G. M. Edwards; Luiz Fernando C. de Oliveira

Journal of Molecular Structure | 2006

Crystal structure, thermal analysis and spectroscopic properties of Tetrabutylammonium 3,5-bis(dicyanomethylene)-cyclopentane-1,2,4-trionate: An intriguing pseudo-oxocarbon and its zinc(II) complex

Wagner M. Teles; Regis de A. Farani; Daniel Souza Maia; Nivaldo L. Speziali; Maria Irene Yoshida; Luiz Fernando C. de Oliveira; Flávia C. Machado

Polyhedron | 2007

Synthesis and crystal structure of a novel Zn(II) 2-D coordination polymer containing 1,3 -bis (4 -pyridyl )propane ligand and Croconate Violet dianion

Wagner M. Teles; Regis de A. Farani; Maria Irene Yoshida; Adailton J. Bortoluzzi; Manfredo Hörner; Luiz Fernando C. de Oliveira; Flávia C. Machado

Inorganica Chimica Acta | 2006

Mono- and binuclear copper(II) complexes containing di(2-pyridyl)sulfide (DPS) as chelating ligand: Spectroscopic characterization and crystal structures of [Cu(DPS)(H2O)Cl2] · H2O and [{Cu(DPS)Cl}2μ-(Cl)2]

Wagner M. Teles; Maria Vanda Marinho; Maria Irene Yoshida; Nivaldo L. Speziali; Klaus Krambrock; Carlos B. Pinheiro; Nelson M. Pinhal; Alexandre A. Leitão; Flávia C. Machado

Journal of Organometallic Chemistry | 2006

Stabilization of the (η4-COD)Pt-fragment (COD=η2,η2-cyclo-octa-1,5-diene) by a bistriazenide: Synthesis and X-ray structural characterization of [(η4-COD)Pt(NNN-Ph)2C6H4], a neutral 1,2-bis(phenyltriazenido)benzene complex of platinum(II)

Manfredo Hörner; Gelson Manzoni de Oliveira; Julieta Saldanha de Oliveira; Wagner M. Teles; Carlos Alberto Lombardi Filgueiras; Johannes Beck

Inorganica Chimica Acta | 2006

K2[Zn(CV)2(H2O)2] · 2H2O: The first Zn(II) complex structurally characterized containing the pseudo-oxocarbon Croconate Violet (CV2−) ☆

Wagner M. Teles; Regis de A. Farani; Nivaldo L. Speziali; Maria Irene Yoshida; Luiz Fernando C. de Oliveira; Flávia C. Machado

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Flávia C. Machado

Universidade Federal de Juiz de Fora

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Maria Irene Yoshida

Universidade Federal de Minas Gerais

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Luiz Fernando C. de Oliveira

Universidade Federal de Juiz de Fora

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Regis de A. Farani

Universidade Federal de Juiz de Fora

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Bernardo L. Rodrigues

Universidade Federal de Minas Gerais

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Charlane C. Corrêa

Universidade Federal de Juiz de Fora

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Klaus Krambrock

Universidade Federal de Minas Gerais

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Luciano H. Chagas

Universidade Federal de Juiz de Fora

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Manfredo Hörner

Universidade Federal de Santa Maria

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Nivaldo L. Speziali

Universidade Federal de Minas Gerais

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