<?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>2026-05-28T17:25:45Z</responseDate><request verb="GetRecord" identifier="oai:riubu.ubu.es:10259/5648" metadataPrefix="dim">https://riubu.ubu.es/oai/request</request><GetRecord><record><header><identifier>oai:riubu.ubu.es:10259/5648</identifier><datestamp>2021-11-05T23:42:10Z</datestamp><setSpec>com_10259_3924</setSpec><setSpec>com_10259_5086</setSpec><setSpec>com_10259_2604</setSpec><setSpec>col_10259_3925</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="b9e6524a-c9e8-44a9-9cf8-befd2d6cd56a" confidence="500" orcid_id="">Pertejo Fernández, Pablo</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="d85c2f90-326d-457f-954a-54c0194d36a2" confidence="500" orcid_id="">González Saiz, Beatriz</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="458" confidence="500" orcid_id="">Quesada Pato, Roberto</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="222" confidence="500" orcid_id="">García Valverde, María</dim:field>
<dim:field mdschema="dc" element="date" qualifier="accessioned">2021-03-16T09:06:09Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="available">2021-03-16T09:06:09Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="issued">2020-11</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="issn">0022-3263</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="uri">http://hdl.handle.net/10259/5648</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="doi">10.1021/acs.joc.0c02103</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="essn">1520-6904</dim:field>
<dim:field mdschema="dc" element="description" qualifier="abstract" lang="en">A simple one-pot protocol for the synthesis of fused&#xd;
pyrrolopiperazines with a complete diastereoselectivity has been&#xd;
developed. This novel methodology combined the Ugi reaction&#xd;
with a spontaneous enamine alkylation on a multicomponent&#xd;
domino reaction, starting from nonprotected diamines and&#xd;
arylglyoxals.</dim:field>
<dim:field mdschema="dc" element="description" qualifier="sponsorship" lang="es">Consejerıá de Educacioń de la Junta de Castilla y León (project BU075G19)</dim:field>
<dim:field mdschema="dc" element="format" qualifier="mimetype">application/pdf</dim:field>
<dim:field mdschema="dc" element="language" qualifier="iso" lang="es">eng</dim:field>
<dim:field mdschema="dc" element="publisher" lang="es">American Chemical Society</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="ispartof" lang="es">The Journal of Organic Chemistry. 2020, V. 85, n. 21, p. 14240–14245</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="publisherversion">https://doi.org/10.1021/acs.joc.0c02103</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="projectID">info:eu-repo/grantAgreement/JCyL/BU075G19</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="other" lang="es">Química orgánica</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="other" lang="en">Chemistry, Organic</dim:field>
<dim:field mdschema="dc" element="title" lang="en">One-Pot Synthesis of Enantiopure Pyrrolopiperazines</dim:field>
<dim:field mdschema="dc" element="type">info:eu-repo/semantics/article</dim:field>
<dim:field mdschema="dc" element="type" qualifier="hasVersion">info:eu-repo/semantics/acceptedVersion</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="accessRights">info:eu-repo/semantics/openAccess</dim:field>
<dim:field mdschema="dc" element="journal" qualifier="title" lang="es">The Journal of Organic Chemistry</dim:field>
<dim:field mdschema="dc" element="volume" qualifier="number" lang="es">85</dim:field>
<dim:field mdschema="dc" element="issue" qualifier="number" lang="es">21</dim:field>
<dim:field mdschema="dc" element="page" qualifier="initial" lang="es">14240</dim:field>
<dim:field mdschema="dc" element="page" qualifier="final" lang="es">14245</dim:field>
</dim:dim></metadata></record></GetRecord></OAI-PMH>