<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-08-27T01:43:41Z</responseDate><request verb="GetRecord" identifier="oai:gredos.usal.es:10366/154243" metadataPrefix="dim">https://gredos.usal.es/oai/request</request><GetRecord><record><header><identifier>oai:gredos.usal.es:10366/154243</identifier><datestamp>2026-01-15T10:45:52Z</datestamp><setSpec>com_10366_4155</setSpec><setSpec>com_10366_4055</setSpec><setSpec>com_10366_3946</setSpec><setSpec>com_10366_3823</setSpec><setSpec>col_10366_4156</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="351c62ba-5305-4312-8889-32ff829015e0" confidence="500" orcid_id="">Benito Iglesias, David</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="1448" confidence="600" orcid_id="0000-0001-7478-1637">Herrero Teijón, Pablo</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="2293" confidence="600" orcid_id="0000-0002-0556-7917">Rubio González, María Rosa</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="b2ea62b8-cebc-47f4-b3a5-ea8018743dce" confidence="500" orcid_id="">Fernández Mateos, Alfonso</dim:field>
<dim:field mdschema="dc" element="date" qualifier="accessioned">2024-01-15T12:00:15Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="available">2024-01-15T12:00:15Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="issued">2018</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="citation" lang="es_ES">Benito Iglesias, D., Herrero Teijón, P., Rubio González, R. &amp; Fernández Mateos, A. (2018). Synthesis of trans‐β‐Elemene. European Journal of Organic Chemistry, 2018(35), 4926–4932. https://doi.org/10.1002/ejoc.201800800</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="issn">1434-193X</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="uri">http://hdl.handle.net/10366/154243</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="doi">10.1002/ejoc.201800800</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="essn">1099-0690</dim:field>
<dim:field mdschema="dc" element="description" qualifier="abstract" lang="es_ES">[EN]Highly efficient syntheses of the anti-cancer agent trans-β-elemene have been achieved by using the readily available (±)-limonene as starting material. The syntheses were achieved in only nine to eleven steps with good overall yields. The key step in these reaction sequences is a stereoselective radical cyclization, induced by titanocene chloride.</dim:field>
<dim:field mdschema="dc" element="format" qualifier="mimetype">application/pdf</dim:field>
<dim:field mdschema="dc" element="language" qualifier="iso" lang="es_ES">eng</dim:field>
<dim:field mdschema="dc" element="publisher" lang="es_ES">Wiley</dim:field>
<dim:field mdschema="dc" element="rights" lang="*">Attribution-NonCommercial-NoDerivatives 4.0 Internacional</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="uri" lang="*">http://creativecommons.org/licenses/by-nc-nd/4.0/</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="accessRights" lang="es_ES">info:eu-repo/semantics/openAccess</dim:field>
<dim:field mdschema="dc" element="subject" lang="es_ES">Química orgánica</dim:field>
<dim:field mdschema="dc" element="subject" lang="es_ES">Anticancerosos</dim:field>
<dim:field mdschema="dc" element="subject" lang="es_ES">Radicales (Química)</dim:field>
<dim:field mdschema="dc" element="subject" lang="es_ES">Cloruros</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="unesco" lang="es_ES">2306 Química Orgánica</dim:field>
<dim:field mdschema="dc" element="title" lang="es_ES">Synthesis of trans‐β‐Elemene</dim:field>
<dim:field mdschema="dc" element="type" lang="es_ES">info:eu-repo/semantics/article</dim:field>
<dim:field mdschema="dc" element="type" qualifier="hasVersion" lang="es_ES">info:eu-repo/semantics/publishedVersion</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="publishversion" lang="es_ES">https://doi.org/10.1002/ejoc.201800800</dim:field>
<dim:field mdschema="dc" element="journal" qualifier="title" lang="es_ES">European Journal of Organic Chemistry</dim:field>
<dim:field mdschema="dc" element="volume" qualifier="number" lang="es_ES">2018</dim:field>
<dim:field mdschema="dc" element="issue" qualifier="number" lang="es_ES">35</dim:field>
<dim:field mdschema="dc" element="page" qualifier="initial" lang="es_ES">4926</dim:field>
<dim:field mdschema="dc" element="page" qualifier="final" lang="es_ES">4932</dim:field>
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