<?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>2026-04-28T18:39:00Z</responseDate><request verb="GetRecord" identifier="oai:riubu.ubu.es:10259/5648" metadataPrefix="marc">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><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
<leader>00925njm 22002777a 4500</leader>
<datafield tag="042" ind1=" " ind2=" ">
<subfield code="a">dc</subfield>
</datafield>
<datafield tag="720" ind1=" " ind2=" ">
<subfield code="a">Pertejo Fernández, Pablo</subfield>
<subfield code="e">author</subfield>
</datafield>
<datafield tag="720" ind1=" " ind2=" ">
<subfield code="a">González Saiz, Beatriz</subfield>
<subfield code="e">author</subfield>
</datafield>
<datafield tag="720" ind1=" " ind2=" ">
<subfield code="a">Quesada Pato, Roberto</subfield>
<subfield code="e">author</subfield>
</datafield>
<datafield tag="720" ind1=" " ind2=" ">
<subfield code="a">García Valverde, María</subfield>
<subfield code="e">author</subfield>
</datafield>
<datafield tag="260" ind1=" " ind2=" ">
<subfield code="c">2020-11</subfield>
</datafield>
<datafield tag="520" ind1=" " ind2=" ">
<subfield code="a">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.</subfield>
</datafield>
<datafield tag="024" ind2=" " ind1="8">
<subfield code="a">0022-3263</subfield>
</datafield>
<datafield tag="024" ind2=" " ind1="8">
<subfield code="a">http://hdl.handle.net/10259/5648</subfield>
</datafield>
<datafield tag="024" ind2=" " ind1="8">
<subfield code="a">10.1021/acs.joc.0c02103</subfield>
</datafield>
<datafield tag="024" ind2=" " ind1="8">
<subfield code="a">1520-6904</subfield>
</datafield>
<datafield tag="245" ind1="0" ind2="0">
<subfield code="a">One-Pot Synthesis of Enantiopure Pyrrolopiperazines</subfield>
</datafield>
</record></metadata></record></GetRecord></OAI-PMH>