<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0120-2804</journal-id>
<journal-title><![CDATA[Revista Colombiana de Química]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Colomb.Quim.]]></abbrev-journal-title>
<issn>0120-2804</issn>
<publisher>
<publisher-name><![CDATA[Departamento de Química,  Universidad Nacional de Colombia.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-28042017000200051</article-id>
<article-id pub-id-type="doi">10.15446/rev.colomb.quim.v46n2.63028</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Nanopartículas de paladio soportadas en hidroxisales laminares: uso potencial en reacciones de Sonogashira]]></article-title>
<article-title xml:lang="en"><![CDATA[Palladium nanoparticles supported in laminar hydroxide salts: potential use in Sonogashira reactions]]></article-title>
<article-title xml:lang="pt"><![CDATA[Nanopartículas de paládio suportadas em hidroxisais laminares: uso potencial em reacções de Sonogashira]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Giraldo Londoño]]></surname>
<given-names><![CDATA[Cristian Camilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ocampo-Cardona]]></surname>
<given-names><![CDATA[Rogelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ríos-Vásquez]]></surname>
<given-names><![CDATA[Luz Amalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez Garzón]]></surname>
<given-names><![CDATA[Maby Mool]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguirre Cortés]]></surname>
<given-names><![CDATA[Jhon Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Caldas Facultad de Ciencias Exactas y Naturales Departamento de Química]]></institution>
<addr-line><![CDATA[Manizales ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Caldas Facultad de Ciencias Exactas y Naturales Departamento de Química]]></institution>
<addr-line><![CDATA[Manizales ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Caldas Facultad de Ciencias Exactas y Naturales Departamento de Química]]></institution>
<addr-line><![CDATA[Manizales ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Caldas Facultad de Ciencias Exactas y Naturales Departamento de Química]]></institution>
<addr-line><![CDATA[Manizales ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad de Caldas Facultad de Ciencias Exactas y Naturales Departamento de Química]]></institution>
<addr-line><![CDATA[Manizales ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<volume>46</volume>
<numero>2</numero>
<fpage>51</fpage>
<lpage>65</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-28042017000200051&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-28042017000200051&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-28042017000200051&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este artículo se reporta la síntesis de nanopartículas de paladio soportadas en hidroxisales de acetato de zinc y modificadas con un surfactante (LHS-Zn-Ac/Pd0 y LHS-Zn-Suf/Pd0 respectivamente), mediante inserción de [PdCl4]2- y su posterior reducción con etanol en reflujo. Con la inserción de surfactante, la distancia interlaminar de la hidroxisal de partida (LHS-Zn-Ac) se incrementó de 13,8 Å a 29,8 Å, mientras que los materiales finales, que contenían paladio metálico registraron distancias interlaminares de 22,4 Å y 29,4 Å para LHS-Zn-Ac/Pd0 y LHS-Zn-Suf/Pd0 respectivamente. Las hidroxisales de acetato de zinc y de surfactante con nanopartículas metálicas de paladio incorporadas fueron ensayadas como potenciales catalizadores en la reacción de Sonogashira partiendo de fenilacetileno y yoduros de arilo, particularmente yodobenceno o 2-yodofenol, dando lugar a difenilacetileno (32% de rendimiento de producto aislado y purificado) o 2-fenilbenzofurano (18%). Todos los materiales inorgánicos fueron caracterizados mediante las siguientes técnicas: difracción de rayos X (XRD), microscopia electrónica de barrido (SEM y SEM-EDS), microscopia electrónica de transmisión (TEM) y espectroscopía de Infrarrojo con Transformada de Fourier (FT-IR). Por su parte los compuestos orgánicos se caracterizaron por resonancia magnética nuclear (1H-NMR y 13C-NMR) y cromatografía de gases acoplada a espectrometría de masas (GC-MS).]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This article reports the synthesis of palladium nanoparticles supported on zinc acetate hydroxysalts and modified with a surfactant (LHS-Zn-Ac/Pd0 and LHS-Zn-Suf/Pd0 respectively), by insertion of [PdCl4]2- and its subsequent reduction with ethanol at reflux. With the surfactant insertion, the interlaminar distance of the starting hydroxysalt (LHS-Zn-Ac) increased from 13.8 Å to 29.8 Å, while the final materials containing palladium metal registered interlaminar distances of 22.4 Å and 29.4 Å for LHS-Zn-Ac/Pd0 and LHS-Zn-Suf/Pd0 respectively. Zinc acetate hydroxysalt and surfactant with incorporated palladium metal nanoparticles were tested as potential catalysts in the Sonogashira reaction starting from phenylacetylene and aryl iodides, particularly iodobenzene or 2-iodophenol, giving diphenylacetylene (32% yield of isolated and purified product) or 2-phenylbenzofuran (18%). All inorganic materials were characterized by the following techniques: X-ray diffraction (XRD), scanning electron microscopy (SEM and SEM-EDS), transmission electron microscopy (TEM) and Fourier transformed infrared spectroscopy (FT-IR). The organic compounds were characterized by nuclear magnetic resonance (1H-NTMR and 13C-NMR) and gas chromatography coupled to mass spectrometry (GC-MS).]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Neste artigo se reporta a síntese de nanopartículas de paládio suportadas em hidroxisais de acetato de zinco e modificadas com um surfactante (LHS-Zn-Ac/Pd0 e LHS-Zn-Suf/Pd0 respectivamente), mediante inserção de [PdCl4]2- para depois fazer uma redução com etanol em refluxo. Com a inserção do surfactante, a distância interlaminar da hidroxisal inicial (LHS-Zn-Ac) aumentou de 13,8 Å até 29,8 Å, enquanto que os materiais finais que continham paládio metálico registraram distâncias interlaminares de 22,4 Å até 29,4 Å para LHS-Zn-Ac/Pd0 e LHS-Zn-Suf/Pd0 respectivamente. As hidroxisais do acetato de zinco e do surfactante com nanopartículas metálicas de paládio incorporadas foram testados como potenciais catalisadores na reação de Sonogashira a partir de fenilacetileno e iodetos de arilo, particularmente iodobenzeno ou 2-iodofenol, levando respectivamente difenilacetileno (32% de rendimento de produto isolado e purificado) ou 2-fenilbenzofurano (18%). Todos os materiais inorgânicos foram caracterizados pelas seguintes técnicas: difração de raios X (XRD), microscopia eletrônica de varredura (SEM e SEM-EDS), Microscopia Eletrônica de Transmissão (TEM) e espectroscopia de infravermelho com transformada de Fourier (FT-IR). Por outro lado, os compostos orgânicos foram caracterizados por ressonância magnética nuclear (1H-NMR y 13C-NMR) e cromatografia gasosa acoplada à massa (GC-MS).]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Hidroxisales]]></kwd>
<kwd lng="es"><![CDATA[laurilsulfato de sodio]]></kwd>
<kwd lng="es"><![CDATA[paladio]]></kwd>
<kwd lng="es"><![CDATA[acoplamiento C-C tipo Sonogashira]]></kwd>
<kwd lng="es"><![CDATA[difenilacetileno]]></kwd>
<kwd lng="es"><![CDATA[2-fenilbenzofurano]]></kwd>
<kwd lng="en"><![CDATA[Hydroxide salts]]></kwd>
<kwd lng="en"><![CDATA[sodium lauryl sulfate]]></kwd>
<kwd lng="en"><![CDATA[palladium nanoparticles]]></kwd>
<kwd lng="en"><![CDATA[Sonogashira C-C coupling reactions]]></kwd>
<kwd lng="en"><![CDATA[diphenylacetylene]]></kwd>
<kwd lng="en"><![CDATA[2-phenylbenzofuran]]></kwd>
<kwd lng="pt"><![CDATA[Hidroxisais]]></kwd>
<kwd lng="pt"><![CDATA[laurilsulfato de sodio]]></kwd>
<kwd lng="pt"><![CDATA[paládio]]></kwd>
<kwd lng="pt"><![CDATA[acoplamiento C-C tipo Sonogashira]]></kwd>
<kwd lng="pt"><![CDATA[difenilacetileno]]></kwd>
<kwd lng="pt"><![CDATA[2-fenilbenzofurano]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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