<?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>2026-04-14T18:22:59Z</responseDate><request verb="GetRecord" identifier="oai:uvadoc.uva.es:10324/43312" metadataPrefix="dim">https://uvadoc.uva.es/oai/request</request><GetRecord><record><header><identifier>oai:uvadoc.uva.es:10324/43312</identifier><datestamp>2024-05-27T12:35:32Z</datestamp><setSpec>com_10324_38</setSpec><setSpec>col_10324_787</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="advisor" lang="es" authority="c3346276936532f7" confidence="500" orcid_id="0000-0003-2564-8439">Pérez Encabo, Alfonso</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="036206d2-8861-47b7-96fb-bd1b202d6e8b" confidence="500" orcid_id="">Villarreal Ramírez, Andrés Steward</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="editor" lang="es" authority="EDUVA45" confidence="500" orcid_id="">Universidad de Valladolid. Facultad de Ciencias</dim:field>
<dim:field mdschema="dc" element="date" qualifier="accessioned">2020-11-04T16:57:58Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="available">2020-11-04T16:57:58Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="issued">2020</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="uri">http://uvadoc.uva.es/handle/10324/43312</dim:field>
<dim:field mdschema="dc" element="description" qualifier="abstract" lang="es">En este trabajo se ha hecho una revisión bibliográfica exhaustiva sobre los calix[n]arenos, especialmente en la química del calix[4]areno. Además, se ha propuesto el desarrollo de una ruta sintética partiendo de p-tercbutilfenol y mediante reactivos comerciales llegar al cono 5,17-dimetiltiol-26,28-dimetoxicalix[4]areno-25,27-corona-5, sin embargo, no se pudo terminar la parte experimental por el estado de emergencia.</dim:field>
<dim:field mdschema="dc" element="description" qualifier="abstract" lang="es">In this report a calix[n]arenes comprehensive bibliographic review, specially calix[4]arenes chemistry. Furthermore it was porpose a brand new cone 5,17-sulfanylmethyl-26,28-dimethoxycalix[4]arene-25,27-crown-5 synthesis starting from commercial reactives such as p-tercbutylphenol, however the synthetic route could not be finished due to the emergency state.</dim:field>
<dim:field mdschema="dc" element="description" qualifier="sponsorship" lang="es">Departamento de Química Orgánica</dim:field>
<dim:field mdschema="dc" element="description" qualifier="degree" lang="es">Máster en Técnicas Avanzadas en Química. Análisis y Control de Calidad Químicos</dim:field>
<dim:field mdschema="dc" element="format" qualifier="mimetype" lang="es">application/pdf</dim:field>
<dim:field mdschema="dc" element="language" qualifier="iso" lang="es">spa</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="accessRights" lang="es">info:eu-repo/semantics/openAccess</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" lang="*">Attribution-NonCommercial-NoDerivatives 4.0 Internacional</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="classification" lang="es">Calixarene</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="classification" lang="es">Calix[4]arene</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="classification" lang="es">Supramolecular chemistry</dim:field>
<dim:field mdschema="dc" element="title" lang="es">Aproximación a la síntesis de 5,17-dimetiltiol-26,28-dimetoxicalix[4]areno-25,27-corona-5</dim:field>
<dim:field mdschema="dc" element="type" lang="es">info:eu-repo/semantics/masterThesis</dim:field>
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