Synthesis, structure and physicochemical properties of zinc and copper complexes based on sulfonamides containing 8-aminoquinoline ligands

Sulfonamides obtained by reaction of 8-aminoquinoline with 4-nitrobenzenesulfonylchloride and 2,4,6-triisopropylbenzenesulfonyl chloride were used to synthesize coordination compounds with CuII and ZnII with a ML2 composition. Determination of the crystal structures of the resulting zinc and copper...

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Main Authors: Luiz Everson da Silva, Paulo Teixeira de Sousa Jr., Antonio Carlos Joussef, Clóvis Piovezan, Ademir Neves
Format: Article
Language:English
Published: Sociedade Brasileira de Química 2008-01-01
Series:Química Nova
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422008000500044
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author Luiz Everson da Silva
Paulo Teixeira de Sousa Jr.
Antonio Carlos Joussef
Clóvis Piovezan
Ademir Neves
author_facet Luiz Everson da Silva
Paulo Teixeira de Sousa Jr.
Antonio Carlos Joussef
Clóvis Piovezan
Ademir Neves
author_sort Luiz Everson da Silva
collection DOAJ
description Sulfonamides obtained by reaction of 8-aminoquinoline with 4-nitrobenzenesulfonylchloride and 2,4,6-triisopropylbenzenesulfonyl chloride were used to synthesize coordination compounds with CuII and ZnII with a ML2 composition. Determination of the crystal structures of the resulting zinc and copper complexes by X-ray diffraction show a distorted tetrahedral environment for the [Cu(qnbsa)2], [Cu(qibsa)2] and [Zn(qibsa)2] complexes in which the sulfonamide group acts as a bidentate ligand through the nitrogen atoms from the sulfonamidate and quinoline groups. The complex [Zn(qnbsa)2] crystallizes with a water molecule from the solvent and the Zn is five-coordinated and shows a bipyramidal-trigonal geometry. The electrochemical and electronic spectroscopy properties of the copper complexes are also discussed.
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spelling doaj.art-dc9ef82a59cd4b1dabc39316ba03d2702022-12-22T03:46:03ZengSociedade Brasileira de QuímicaQuímica Nova0100-40421678-70642008-01-013151161116410.1590/S0100-40422008000500044Synthesis, structure and physicochemical properties of zinc and copper complexes based on sulfonamides containing 8-aminoquinoline ligandsLuiz Everson da SilvaPaulo Teixeira de Sousa Jr.Antonio Carlos JoussefClóvis PiovezanAdemir NevesSulfonamides obtained by reaction of 8-aminoquinoline with 4-nitrobenzenesulfonylchloride and 2,4,6-triisopropylbenzenesulfonyl chloride were used to synthesize coordination compounds with CuII and ZnII with a ML2 composition. Determination of the crystal structures of the resulting zinc and copper complexes by X-ray diffraction show a distorted tetrahedral environment for the [Cu(qnbsa)2], [Cu(qibsa)2] and [Zn(qibsa)2] complexes in which the sulfonamide group acts as a bidentate ligand through the nitrogen atoms from the sulfonamidate and quinoline groups. The complex [Zn(qnbsa)2] crystallizes with a water molecule from the solvent and the Zn is five-coordinated and shows a bipyramidal-trigonal geometry. The electrochemical and electronic spectroscopy properties of the copper complexes are also discussed.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422008000500044copperzincsulfonamide complexes
spellingShingle Luiz Everson da Silva
Paulo Teixeira de Sousa Jr.
Antonio Carlos Joussef
Clóvis Piovezan
Ademir Neves
Synthesis, structure and physicochemical properties of zinc and copper complexes based on sulfonamides containing 8-aminoquinoline ligands
Química Nova
copper
zinc
sulfonamide complexes
title Synthesis, structure and physicochemical properties of zinc and copper complexes based on sulfonamides containing 8-aminoquinoline ligands
title_full Synthesis, structure and physicochemical properties of zinc and copper complexes based on sulfonamides containing 8-aminoquinoline ligands
title_fullStr Synthesis, structure and physicochemical properties of zinc and copper complexes based on sulfonamides containing 8-aminoquinoline ligands
title_full_unstemmed Synthesis, structure and physicochemical properties of zinc and copper complexes based on sulfonamides containing 8-aminoquinoline ligands
title_short Synthesis, structure and physicochemical properties of zinc and copper complexes based on sulfonamides containing 8-aminoquinoline ligands
title_sort synthesis structure and physicochemical properties of zinc and copper complexes based on sulfonamides containing 8 aminoquinoline ligands
topic copper
zinc
sulfonamide complexes
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422008000500044
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