<?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>1870-249X</journal-id>
<journal-title><![CDATA[Journal of the Mexican Chemical Society]]></journal-title>
<abbrev-journal-title><![CDATA[J. Mex. Chem. Soc]]></abbrev-journal-title>
<issn>1870-249X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Química de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-249X2018000100009</article-id>
<article-id pub-id-type="doi">10.29356/jmcs.v62i1.340</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[One-pot, three-component Synthesis of pyrrolo[2,3-d]pyrimidine Derivatives]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Javahershenas]]></surname>
<given-names><![CDATA[Ramin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Khalafy]]></surname>
<given-names><![CDATA[Jabbar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Urmia University Faculty of Chemistry Department of Organic Chemistry]]></institution>
<addr-line><![CDATA[Urmia ]]></addr-line>
<country>Iran</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<volume>62</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-249X2018000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-249X2018000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-249X2018000100009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract. A green approach for the synthesis of polyfunctionalized pyrrolo[2,3-d]pyrimidine derivatives was successfully achieved by a one-pot three-component reaction of arylglyoxals, 6-amino-1,3-dimethyluracil and barbituric acid derivatives in the presence of tetra-n-butylammonium bromide (TBAB) (5 mol%) as the catalyst in ethanol at 50 °C. This protocol has many advantages such as high yields (73-95%), green and simple procedure, short reaction times, easy work-up, mild reaction conditions and general applicability.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen. Se describe el desarrollo de una ruta sintética sustentable para la preparación de derivados pirrolo[2,3-d]pirimidinas mediante una reacción de tres componentes en un matraz de arilglioxales, 6-amino-1,3-dimethyluracilo y derivados del ácido barbitúrico en presencia de bromuro de tetra-n-butilamonio (TBAB) (5% mol) como catalizador en etanol a 50 ºC. Este protocolo posee diversas ventajas, tales como elevados rendimientos (73-95%), procedimiento simple y sustentable, cortos tiempos de reacción, extracción sencilla, condiciones de reacción suaves y amplia aplicabilidad.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[6-Amino-1,3-dimethyluracil]]></kwd>
<kwd lng="en"><![CDATA[arylglyoxals]]></kwd>
<kwd lng="en"><![CDATA[barbituric acid derivatives]]></kwd>
<kwd lng="en"><![CDATA[TBAB]]></kwd>
<kwd lng="en"><![CDATA[pyrrolo[2,3-d]pyrimidines]]></kwd>
<kwd lng="en"><![CDATA[one-pot]]></kwd>
<kwd lng="en"><![CDATA[multicomponent reactions]]></kwd>
<kwd lng="es"><![CDATA[6-Amino-1,3-dimetiluracilo]]></kwd>
<kwd lng="es"><![CDATA[arilglioxales]]></kwd>
<kwd lng="es"><![CDATA[derivados del ácido barbitúrico]]></kwd>
<kwd lng="es"><![CDATA[TBAB]]></kwd>
<kwd lng="es"><![CDATA[pirrolo[2,3-d]pirimidinas]]></kwd>
<kwd lng="es"><![CDATA[reacción multicomponente en un matraz]]></kwd>
</kwd-group>
</article-meta>
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