<?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>S1870-249X2018000100007</article-id>
<article-id pub-id-type="doi">10.29356/jmcs.v62i1.581</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Chicle Gum from sapodilla (Manilkara zapota) as a Renewable Resource for Metathesis Transformations]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes-Gómez]]></surname>
<given-names><![CDATA[Sonia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montiel]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tlenkopatchev]]></surname>
<given-names><![CDATA[Mikhail A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Investigaciones en Materiales ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Metropolitana DCBI Depto. de Física]]></institution>
<addr-line><![CDATA[Iztapalapa ]]></addr-line>
<country>Mexico</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=S1870-249X2018000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-249X2018000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-249X2018000100007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract. In this study, we report on for the first time the self-metathesis of the chicle gum and cross-metathesis of the chicle gum rubber isolated from the gummy latex of sapodilla (Manilkara zapota) with orange oil, &#946;-pinene and, methyl methacrylate using the Ru-alkylidenes Hoveyda-Grubbs and Grubbs second generation catalysts. There were obtained terpene- and ester-terminated oligoisoprenes, with good yields and selectivities. The present results are a promising starting point for the application of this underexploited renewable resource as a new feedstock for metathesis transformations.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen. En este estudio reportamos por primera vez, la auto-metátesis de la goma de chicle y la metátesis cruzada del hule de la goma de chicle aislada del látex del chicozapote (Manilkara zapota) con aceite de naranja, &#946;-pineno y metacrilato de metilo, usando los catalizadores Ru-alquilidenos Hoveyda-Grubbs y Grubbs de segunda generación. Se obtuvieron oligoisoprenos con grupos terminales terpeno y éster con buenos rendimientos y selectividades. Los presentes resultados son un punto de partida prometedor para la aplicación de este poco explotado recurso renovable como materia prima para las transformaciones vía metátesis.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Manilkara zapota]]></kwd>
<kwd lng="en"><![CDATA[chicle gum]]></kwd>
<kwd lng="en"><![CDATA[essential oils]]></kwd>
<kwd lng="en"><![CDATA[metathesis]]></kwd>
<kwd lng="en"><![CDATA[ruthenium catalysts]]></kwd>
<kwd lng="en"><![CDATA[oligoisoprenes]]></kwd>
<kwd lng="es"><![CDATA[Manilkara zapota]]></kwd>
<kwd lng="es"><![CDATA[goma de chicle]]></kwd>
<kwd lng="es"><![CDATA[aceites esenciales]]></kwd>
<kwd lng="es"><![CDATA[metátesis]]></kwd>
<kwd lng="es"><![CDATA[catalizadores de rutenio]]></kwd>
<kwd lng="es"><![CDATA[oligoisoprenos]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lummiss]]></surname>
<given-names><![CDATA[J. A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[K. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Pranckevicius]]></surname>
<given-names><![CDATA[A. M. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[A. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Dos Santos]]></surname>
<given-names><![CDATA[E. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Fogg]]></surname>
<given-names><![CDATA[D. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Am. Chem. Soc.]]></source>
<year>2012</year>
<volume>134</volume>
<page-range>18889-91</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gutierras]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez Vargas]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tlenkopatchev]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Polym. Degrad. Stab.]]></source>
<year>2004</year>
<volume>83</volume>
<page-range>149-56</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wolf]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Plenio]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Green Chem.]]></source>
<year>2011</year>
<volume>13</volume>
<page-range>2008-12</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ouardad]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Peruch]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Polym. Degrad. Stab.]]></source>
<year>2014</year>
<volume>99</volume>
<page-range>249-53</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tlenkopatchev]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Polym. Bull.]]></source>
<year>2010</year>
<volume>66</volume>
<page-range>1029-38</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tlenkopatchev]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Molecules]]></source>
<year>2012</year>
<volume>17</volume>
<page-range>6001-10</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Clark-Tapia]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tlenkopatchev]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Lett. Org. Chem.]]></source>
<year>2014</year>
<volume>11</volume>
<page-range>748-54</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Zúñiga-Villarreal]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tlenkopatchev]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Curr. Org. Synth.]]></source>
<year>2016</year>
<volume>13</volume>
<page-range>876-82</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez.]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tlenkopatchev]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hamilton]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Natural Rubber Properties, behavior and applications]]></source>
<year>2016</year>
<volume>1</volume>
<page-range>165-91</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Nova Science Publishers, Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<label>10.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tlenkopatchev]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Química Sostenible. Metátesis de Hules y Aceites Naturales. Metátesis sostenible]]></source>
<year>2013</year>
<publisher-name><![CDATA[EAE Academia Española]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<label>11.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tlenkopatchev]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Supl. la Rev. Latinoam. Metal. y Mater.]]></source>
<year>2009</year>
<volume>1</volume>
<page-range>1463-7</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mouawia]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Nourry]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gaumont]]></surname>
<given-names><![CDATA[A.-C.]]></given-names>
</name>
<name>
<surname><![CDATA[Pilard]]></surname>
<given-names><![CDATA[J.-F.]]></given-names>
</name>
<name>
<surname><![CDATA[Dez]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[ACS Sustainable Chem. Eng.]]></source>
<year>2017</year>
<volume>5</volume>
<page-range>696-700</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hart]]></surname>
<given-names><![CDATA[N. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Lamberton]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Triffett]]></surname>
<given-names><![CDATA[A. C. K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Aust. J. Chem.]]></source>
<year>1973</year>
<volume>26</volume>
<page-range>1827-9</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Misra]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Mitra]]></surname>
<given-names><![CDATA[C. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phytochemistry]]></source>
<year>1969</year>
<volume>8</volume>
<page-range>249-52</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dutton]]></surname>
<given-names><![CDATA[G. G. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Kabir]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Carbohydr. Res.]]></source>
<year>1973</year>
<volume>28</volume>
<page-range>187-200</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Islam]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Parvin]]></surname>
<given-names><![CDATA[M. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Banu]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Jahan]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Das]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Islam]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Int. J. Pharma Sci.]]></source>
<year>2013</year>
<volume>3</volume>
<page-range>394-7</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Azpeitia]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bowers]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Crabbé]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Mancera]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Matthews]]></surname>
<given-names><![CDATA[J. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Reynoso]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Salazar]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Can. J. Chem.]]></source>
<year>1961</year>
<volume>39</volume>
<page-range>2321-3</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morton]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Fruits of warm climates]]></source>
<year>1987</year>
<page-range>393-8</page-range><publisher-name><![CDATA[Morton, J. F., Ed., Miami]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<label>19.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Woodson]]></surname>
<given-names><![CDATA[R. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Schery]]></surname>
<given-names><![CDATA[R. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Blakwell]]></surname>
<given-names><![CDATA[W. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ann. Mo. Bot. Gard.]]></source>
<year>1968</year>
<volume>55</volume>
<page-range>145-69</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barrance]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Beer]]></surname>
<given-names><![CDATA[D. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Boshier]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Chamberlain]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cordero]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Dethefsen]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Finegan]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Galloway]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gordon]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hands]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hellin]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Hughes]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ibrahim]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Kass]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Leakey]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Mesén]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Montero]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Rivas]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Somarriba]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Stewart]]></surname>
</name>
<name>
<surname><![CDATA[Pennington]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Árboles de Centroamérica: Un manual para extensionista]]></source>
<year>2003</year>
<publisher-name><![CDATA[Oxford Forestry Institute - CATIE]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<label>21.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García Pérez]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Orantes García]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Miceli Méndez]]></surname>
<given-names><![CDATA[C. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Garrido Ramírez]]></surname>
<given-names><![CDATA[E. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez López]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Lacandonia]]></source>
<year>2010</year>
<volume>4</volume>
<page-range>17-22</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sathish Kumar]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Sureshkumar]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Velraj]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Fuel]]></source>
<year>2015</year>
<volume>140</volume>
<page-range>90-6</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Larson]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Sarukhán]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Gaceta Ecológica]]></source>
<year>2003</year>
<volume>67</volume>
<page-range>7-26</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Forero]]></surname>
<given-names><![CDATA[O. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Redclift]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Dev. Pract.]]></source>
<year>2007</year>
<volume>17</volume>
<page-range>196-207</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schlesinger]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Leeper]]></surname>
<given-names><![CDATA[H. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Science]]></source>
<year>1950</year>
<volume>112</volume>
<page-range>51-2</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schlesinger]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Leeper]]></surname>
<given-names><![CDATA[H. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ind. Eng. Chem.]]></source>
<year>1951</year>
<volume>43</volume>
<page-range>398-403</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hager]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[MacArthur]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[McIntyre]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Seeger]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Rubber Chem. Technol.]]></source>
<year>1979</year>
<volume>52</volume>
<page-range>693-709</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>28.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tezuka]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Yamano]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Shitou]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nippon Shokuhin Kogyo Gakkaishi]]></source>
<year>1980</year>
<volume>27</volume>
<page-range>419-25</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sato]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Hasegawa]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ohtsu]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Takiguchi]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Suzuki]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Shibata]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nippon Shokuhin Kogyo Gakkaishi]]></source>
<year>1991</year>
<volume>38</volume>
<page-range>595-600</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barlow]]></surname>
<given-names><![CDATA[F. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Rowe]]></surname>
<given-names><![CDATA[J. W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nat. Prod. Woody Plants]]></source>
<year>1989</year>
<page-range>1028-50</page-range><publisher-loc><![CDATA[Berlin Heidelberg ]]></publisher-loc>
<publisher-name><![CDATA[Springer-Verlag]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B31">
<label>31.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Primack]]></surname>
<given-names><![CDATA[R. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Bray]]></surname>
<given-names><![CDATA[D. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Galletti]]></surname>
<given-names><![CDATA[H. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ponciano]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Timber, tourists, and temples: conservation and development in the Maya Forest of Belize, Guatemala, and Mexico]]></source>
<year>1998</year>
<publisher-loc><![CDATA[Washington D. C. ]]></publisher-loc>
<publisher-name><![CDATA[Island Press, Ed.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B32">
<label>32.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dannerth]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Ind. Eng. Chem.]]></source>
<year>1917</year>
<volume>9</volume>
<page-range>679-82</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>33.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stillwell]]></surname>
<given-names><![CDATA[C. W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ind. Eng. Chem.]]></source>
<year>1931</year>
<volume>23</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>703-6</page-range></nlm-citation>
</ref>
<ref id="B34">
<label>34.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Saunders]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[D. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Appl. Phys.]]></source>
<year>1949</year>
<volume>20</volume>
<page-range>953-65</page-range></nlm-citation>
</ref>
<ref id="B35">
<label>35.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schlesinger]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Leeper]]></surname>
<given-names><![CDATA[H. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Polym. Sci.]]></source>
<year>1953</year>
<volume>11</volume>
<page-range>203-13</page-range></nlm-citation>
</ref>
<ref id="B36">
<label>36.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tanaka]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Sato]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Seimiya]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Polym. J.]]></source>
<year>1975</year>
<volume>7</volume>
<page-range>264-6</page-range></nlm-citation>
</ref>
<ref id="B37">
<label>37.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tanaka]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Sato]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Polymer]]></source>
<year>1976</year>
<volume>17</volume>
<page-range>113-6</page-range></nlm-citation>
</ref>
<ref id="B38">
<label>38.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kishore]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Pandey]]></surname>
<given-names><![CDATA[H. K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Prog. Polym. Sci.]]></source>
<year>1986</year>
<volume>12</volume>
<page-range>155-78</page-range></nlm-citation>
</ref>
<ref id="B39">
<label>39.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tanaka]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Nunogaki]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Kageyu]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Mori]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sato]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Nat. Rubber Res.]]></source>
<year>1988</year>
<volume>3</volume>
<page-range>177-83</page-range></nlm-citation>
</ref>
<ref id="B40">
<label>40.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ratri]]></surname>
<given-names><![CDATA[P. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Tashiro]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Polym. J.]]></source>
<year>2013</year>
<volume>45</volume>
<page-range>1019-26</page-range></nlm-citation>
</ref>
<ref id="B41">
<label>41.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ratri]]></surname>
<given-names><![CDATA[P. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Tashiro]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Polymer]]></source>
<year>2012</year>
<volume>53</volume>
<page-range>3548-58</page-range></nlm-citation>
</ref>
<ref id="B42">
<label>42.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Burfield]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Lim]]></surname>
<given-names><![CDATA[K.-L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Macromolecules]]></source>
<year>1983</year>
<volume>16</volume>
<page-range>1170-5</page-range></nlm-citation>
</ref>
<ref id="B43">
<label>43.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pathak]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Saxena]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Tandon]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[V. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Polymer]]></source>
<year>2006</year>
<volume>47</volume>
<page-range>5154-60</page-range></nlm-citation>
</ref>
<ref id="B44">
<label>44.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Golub]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Fuqua]]></surname>
<given-names><![CDATA[S. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bhacca]]></surname>
<given-names><![CDATA[N. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Am. Chem. Soc]]></source>
<year>1962</year>
<volume>84</volume>
<numero>24</numero>
<issue>24</issue>
<page-range>4981-2</page-range></nlm-citation>
</ref>
<ref id="B45">
<label>45.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yalcin]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Schriemer]]></surname>
<given-names><![CDATA[D. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Am. Soc. Mass Spectrom.]]></source>
<year>1997</year>
<volume>8</volume>
<page-range>1220-9</page-range></nlm-citation>
</ref>
<ref id="B46">
<label>46.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nagahata]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Shimada]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Kishine]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Sato]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Matsuyama]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Togashi]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kinugasa]]></surname>
</name>
</person-group>
<source><![CDATA[S. Int. J. Mass Spectrom.]]></source>
<year>2007</year>
<volume>263</volume>
<page-range>213-21</page-range></nlm-citation>
</ref>
<ref id="B47">
<label>47.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zinck]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Terrier]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mortreux]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Visseaux]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Polym. Test.]]></source>
<year>2009</year>
<volume>28</volume>
<page-range>106-8</page-range></nlm-citation>
</ref>
<ref id="B48">
<label>48.</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tlenkopatchev]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Barcenas]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Fomine]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Macromol. Theory Simulations]]></source>
<year>2001</year>
<volume>10</volume>
<page-range>441-6</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
