<?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>0187-893X</journal-id>
<journal-title><![CDATA[Educación química]]></journal-title>
<abbrev-journal-title><![CDATA[Educ. quím]]></abbrev-journal-title>
<issn>0187-893X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Química]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-893X2023000300063</article-id>
<article-id pub-id-type="doi">10.22201/fq.18708404e.2023.3.85009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diseño experimental con enfoque verde en la reacción de Kröhnke para la síntesis de terpiridinas]]></article-title>
<article-title xml:lang="en"><![CDATA[Experimental design with a green approach in the Kröhnke reaction for the synthesis of terpyridines]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fajardo Perafan]]></surname>
<given-names><![CDATA[Daniel Alexander]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arteaga]]></surname>
<given-names><![CDATA[Danny]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lenis Velasquez]]></surname>
<given-names><![CDATA[Luis Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Cauca Grupo de Investigación Química de Productos Naturales QPN ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Cauca Grupo de Investigación Química de Productos Naturales QPN ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad del Cauca Grupo de Investigación Química de Productos Naturales QPN ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>34</volume>
<numero>3</numero>
<fpage>63</fpage>
<lpage>88</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-893X2023000300063&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-893X2023000300063&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-893X2023000300063&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las 2,2&#8217;:6&#8217;,2&#8217;&#8217;-terpiridinas se consideran precursores versátiles para la obtención de complejos metálicos con gran uso en importantes aplicaciones, tanto en ciencia básica como aplicada, razón por lo cual deben explorarse metodologías de síntesis con rutas alternativas que, al ser comparadas con las tradicionales, se destaquen por presentar mejores resultados y con un mayor impacto en nuestro entorno. La apropiación de estas alternativas, junto con el cumplimiento de un diseño experimental bien planeado, permitirá trascender en la formación de nuestros estudiantes en conceptos de síntesis orgánica con un enfoque enmarcado dentro de la química verde. En esta investigación, se describe el uso de la reacción de Kröhnke, como estrategia modelo para evaluar la conveniencia de un diseño experimental 3x2 enfocado en la obtención de una serie de 4&#8217;-aril-2,2&#8217;:6&#8217;,2&#8217;&#8217;-terpiridinas, mediante calentamiento por irradiación microondas. Para lo cual se desarrolla una secuencia didáctica como método de enseñanza-aprendizaje en el laboratorio para que estudiantes de química y ciencias afines, puedan desarrollar un diseño experimental en diferentes contextos, por medio de una metodología guiada paso a paso, con la cual se logren los objetivos de aprendizaje esperados. De este modo, se estudiaron los parámetros, potencia de microondas y tiempo de irradiación, como variables determinantes en el proceso y en los rendimientos de reacción. La caracterización de los compuestos obtenidos se realizó a través de técnicas espectroscópicas y espectrofotométricas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The 2,2&#8217;:6&#8217;,2&#8217;&#8217;-terpirydines are considered versatile precursors for obtaining metal complexes widely used in important applications, both in basic and applied science. For this reason, synthetic methodologies with alternative routes should be explored that, when compared with traditional ones, stand out for presenting better results and with a greater impact on our environment. The appropriation of these alternatives, together with the fulfillment of a well-planned experimental design, will allow us to transcend the training of our students in concepts of organic synthesis with an approach framed within green chemistry. In this research, the use of the Kröhnke reaction is described as a model strategy to evaluate the suitability of a 3x2 experimental design focused on obtaining a series of 4&#8217;-aryl-2,2&#8217;:6&#8217;,2&#8217;&#8217;-terpyridines, by microwave irradiation heating. For which a didactic sequence is proposed as a teaching-learning method in the laboratory, so that chemistry and related sciences students can carry out an experimental design in various contexts, through a step-by-step guided methodology, in which the expected learning objectives are achieved. The parameters, microwave power and irradiation time, were studied as determining variables in the process and the reaction yields. The characterization of the compounds was carried out through the measurement of their physical properties, spectroscopic and spectrophotometric techniques.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Reacción de Kröhnke]]></kwd>
<kwd lng="es"><![CDATA[síntesis orgánica]]></kwd>
<kwd lng="es"><![CDATA[2,2&#8217;:6&#8217;,2&#8217;&#8217;-terpiridinas]]></kwd>
<kwd lng="es"><![CDATA[química verde]]></kwd>
<kwd lng="es"><![CDATA[irradiación microondas]]></kwd>
<kwd lng="en"><![CDATA[Kröhnke reaction]]></kwd>
<kwd lng="en"><![CDATA[organic synthesis]]></kwd>
<kwd lng="en"><![CDATA[2,2&#8217;:6&#8217;,2&#8217;&#8217;-terpyridines]]></kwd>
<kwd lng="en"><![CDATA[green chemistry]]></kwd>
<kwd lng="en"><![CDATA[microwave irradiation]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Anastas]]></surname>
<given-names><![CDATA[P.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Warner]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Green Chemistry: Theory and Practice]]></source>
<year>1998</year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arteaga]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Diseño, síntesis y estudios electrónicos de nuevos sistemas fotoactivos basados en el modelo dador-&#960;-aceptor y su aplicación en electrónica orgánica y en celdas solares sensibilizadas por pigmentos]]></source>
<year>2014</year>
<publisher-loc><![CDATA[Santiago de Cali ]]></publisher-loc>
<publisher-name><![CDATA[Universidad del Valle]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bonnet]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Mongin]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Trécourt]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Quéguiner]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Knochel]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Preparation of polyfunctional pyridines by a palladium(0)-catalyzed cross-coupling of functionalized aryl Grignard reagents]]></article-title>
<source><![CDATA[Tetrahedron Letter]]></source>
<year>2001</year>
<volume>42</volume>
<page-range>5717-9</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cao]]></surname>
<given-names><![CDATA[L. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[Q. Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Zang]]></surname>
<given-names><![CDATA[S. Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Hou]]></surname>
<given-names><![CDATA[H. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Mak]]></surname>
<given-names><![CDATA[T. C. W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[First three-dimensional self-penetrating coordination polymer containing rare (10,3)-d subnets: Synthesis, structure, and properties]]></article-title>
<source><![CDATA[Crystal Growth and Design]]></source>
<year>2013</year>
<volume>13</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1812-4</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castro Agudelo]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ochoa]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Sierra]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Synthesis of 4-phenyl-substituted-terpyridines and their potential use for the determination of mercury síntese de substituídas 4-fenil-terpyridines e sua posterior utilização na determinação de mercúrio]]></article-title>
<source><![CDATA[Rev. Colomb. Quím]]></source>
<year>2012</year>
<volume>41</volume>
<numero>2</numero>
<issue>2</issue>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castro Agudelo]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ochoa-Puentes]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodriguez-Córdoba]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Reiber]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sierra]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Synthesis, characterization, X-ray crystal structure and DFT calculations of 4-) [2,2]:6],2]]-terpyridin]-4]-yl)phenol]]></source>
<year>2015</year>
<volume>44</volume>
<numero>3</numero>
<issue>3</issue>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Husson]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Knorr]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Syntheses and applications of furanyl-functionalised 2,2&#8217;:6&#8217;,2&#8217;&#8217;- terpyridines]]></article-title>
<source><![CDATA[Beilstein Journal of Organic Chemistry]]></source>
<year>2012</year>
<volume>8</volume>
<page-range>379-89</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ingold]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Dapueto]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Lopez]]></surname>
<given-names><![CDATA[G. v.]]></given-names>
</name>
<name>
<surname><![CDATA[Porcal]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Una reacción multicomponente verde en el laboratorio de química orgánica]]></article-title>
<source><![CDATA[Educación Química]]></source>
<year>2016</year>
<volume>27</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>15-20</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jantunen]]></surname>
<given-names><![CDATA[K. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Scott]]></surname>
<given-names><![CDATA[B. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Hay]]></surname>
<given-names><![CDATA[P. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gordon]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Kiplinger]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dearomatization and functionalization of terpyridine by lutetium(III) alkyl complexes]]></article-title>
<source><![CDATA[Journal of the American Chemical Society]]></source>
<year>2006</year>
<volume>128</volume>
<numero>19</numero>
<issue>19</issue>
<page-range>6322-3</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Karimi]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Yarie]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Zolfigol]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A convenient method for synthesis of terpyridines: Via a cooperative vinylogous anomeric based oxidation]]></article-title>
<source><![CDATA[RSC Advances]]></source>
<year>2020</year>
<volume>10</volume>
<numero>43</numero>
<issue>43</issue>
<page-range>25828-35</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kharadi]]></surname>
<given-names><![CDATA[G. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Antioxidant, Antituberculosis, Biocidal Activity and Fluorescence Studies of Mixed Ligand Copper(II) Complexes [Minor Research Project]]]></source>
<year>2015</year>
<publisher-loc><![CDATA[Gujarat ]]></publisher-loc>
<publisher-name><![CDATA[Guajarat University Dahod]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[R. A. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Carlosama]]></surname>
<given-names><![CDATA[L. Y. O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The green chemistry approach in the didactic research of experimental sciences. His approach in Latin American journals: 2002-2018]]></article-title>
<source><![CDATA[Educación Química]]></source>
<year>2020</year>
<volume>31</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>84-104</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morgan]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Burstall]]></surname>
<given-names><![CDATA[F. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[347. Researches on Residual Affinity and Co-ordinaiion. Part X X X VII. Complex Xetallic Salts containing 2 : 6-Di-2&#8217;-pyridyl-pyridine (2 : 2&#8217; : 2&#8221;-Tripyridyl)]]></article-title>
<source><![CDATA[J. Indian Chem. SOC.]]></source>
<year>1932</year>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morgan]]></surname>
<given-names><![CDATA[G. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Burstall]]></surname>
<given-names><![CDATA[F. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[3. Dehydrogenation of pyridine by anhydrous ferric chloride]]></article-title>
<source><![CDATA[Journal of the Chemical Society (Resumed)]]></source>
<year>1932</year>
<page-range>20-30</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mukherjee]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Pal]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Bar]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Baitalik]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chromogenic and fluorogenic detection of selected anions by bis-terpyridine Fe(II) complex through displacement approach]]></article-title>
<source><![CDATA[Journal of Chemical Sciences]]></source>
<year>2018</year>
<volume>130</volume>
<numero>7</numero>
<issue>7</issue>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Murray]]></surname>
<given-names><![CDATA[P. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bellany]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Benhamou]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Bu&#269;ar]]></surname>
<given-names><![CDATA[D. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Tabor]]></surname>
<given-names><![CDATA[A. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Sheppard]]></surname>
<given-names><![CDATA[T. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The application of design of experiments (DoE) reaction optimisation and solvent selection in the development of new synthetic chemistry]]></article-title>
<source><![CDATA[Organic and Biomolecular Chemistry]]></source>
<year>2016</year>
<volume>14</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>2373-84</page-range><publisher-name><![CDATA[Royal Society of Chemistry]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ozawa]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Yamamoto]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Kawaguchi]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Shimizu]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Arakawa]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ruthenium sensitizers with a hexylthiophene-modified terpyridine ligand for dye-sensitized solar cells: Synthesis, photo- and electrochemical properties, and adsorption behavior to the TiO2 surface]]></article-title>
<source><![CDATA[ACS Applied Materials and Interfaces]]></source>
<year>2015</year>
<volume>7</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>3152-61</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Palacios]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ochoa De Retana]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Oyarzabal]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A &#8220;one pot&#8221; synthesis of polysubstituted pyridines from metallated alkylphosphonates, nitriles and &#945;, &#946;-unsaturated ketones]]></article-title>
<source><![CDATA[Tetrahedron Letters]]></source>
<year>1996</year>
<volume>37</volume>
<numero>26</numero>
<issue>26</issue>
<page-range>4577-80</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pulido]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Salazar]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis y diseño de experimentos]]></source>
<year>2008</year>
<publisher-loc><![CDATA[Ciudad de México, México ]]></publisher-loc>
<publisher-name><![CDATA[McGraw-Hill Interamericana]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Raghukumar]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Thirumalai]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramakrishnan]]></surname>
<given-names><![CDATA[V. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Karunakara]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramamurthy]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Synthesis of nicotinonitrile derivatives as a new class of NLO materials]]></article-title>
<source><![CDATA[Tetrahedron]]></source>
<year>2003</year>
<volume>59</volume>
<numero>21</numero>
<issue>21</issue>
<page-range>3761-8</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sasaki]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recent Uses of Kröhnke Methodology: A Short Survey]]></article-title>
<source><![CDATA[Synthesis (Germany)]]></source>
<year>2016</year>
<volume>48</volume>
<numero>13</numero>
<issue>13</issue>
<page-range>1974-92</page-range><publisher-name><![CDATA[Georg Thieme Verlag]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schubert]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Hofmeier]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Newkome]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<source><![CDATA[Modern Terpyridine Chemistry]]></source>
<year>2006</year>
<page-range>26-41</page-range><publisher-name><![CDATA[Wiley-VCH]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schubert]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Winter]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Newkome]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<source><![CDATA[Terpyridine-based Materials: For Catalytic, Optoelectronic and Life Science Applications]]></source>
<year>2011</year>
<page-range>260-80</page-range><publisher-name><![CDATA[Wiley-VCH]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[El Ojaimi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hammitt]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Thummel]]></surname>
<given-names><![CDATA[R. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Turro]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of ligands with extended &#960;-system on the photophysical properties of Ru(II) complexes]]></article-title>
<source><![CDATA[Journal of Physical Chemistry B]]></source>
<year>2010</year>
<volume>114</volume>
<numero>45</numero>
<issue>45</issue>
<page-range>14664-70</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Taylor]]></surname>
<given-names><![CDATA[C. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Baker]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Chapman]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Reynolds]]></surname>
<given-names><![CDATA[W. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Jolley]]></surname>
<given-names><![CDATA[K. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Clemens]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[G. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Blacker]]></surname>
<given-names><![CDATA[A. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Chamberlain]]></surname>
<given-names><![CDATA[T. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Christie]]></surname>
<given-names><![CDATA[S. D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Taylor]]></surname>
<given-names><![CDATA[B. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bourne]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Flow chemistry for process optimisation using design of experiments]]></source>
<year>1981</year>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tu]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Jia]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiang]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Yao]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ji]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Kröhnke reaction in aqueous media: one-pot clean synthesis of 4&#8217;-aryl-2,2&#8217;:6&#8217;,2&#8217;&#8217;-terpyridines]]></article-title>
<source><![CDATA[Tetrahedron]]></source>
<year>2007</year>
<volume>63</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>381-8</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tu]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Shi]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Shi]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A convenient one -pot synthesis of 4&#8217;-aryl-2,2&#8217;:6&#8217;, 2&#8217;&#8217;-terpyridines and 2,4,6-triarylpyridines under microwave irradiation]]></article-title>
<source><![CDATA[Synthesis]]></source>
<year>2005</year>
<volume>18</volume>
<page-range>3045-50</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hanan]]></surname>
<given-names><![CDATA[G. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A facile route to sterically hindered and non-hindered 4&#8217;-aryl-2, 2&#8217;:6&#8217;,2&#8217;&#8217;-terpyridines]]></article-title>
<source><![CDATA[Synlett]]></source>
<year>2005</year>
<volume>8</volume>
<page-range>1251-4</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zych]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Slodek]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Matussek]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Filapek]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Szafraniec-Gorol]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ma&#347;lanka]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Krompiec]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Kotowicz]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Schab-Balcerzak]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Smolarek]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Ma&#263;kowski]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Olejnik]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Danikiewicz]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[4&#8217;-Phenyl-2,2&#8217;:6&#8217;,2&#8217;&#8217;-terpyridine derivatives-synthesis, potential application and the influence of acetylene linker on their properties]]></article-title>
<source><![CDATA[Dyes and Pigments]]></source>
<year>2017</year>
<volume>146</volume>
<page-range>331-43</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
