<?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>2026-06-30T04:09:19Z</responseDate><request verb="GetRecord" identifier="oai:riubu.ubu.es:10259/4924" metadataPrefix="dim">https://riubu.ubu.es/oai/request</request><GetRecord><record><header><identifier>oai:riubu.ubu.es:10259/4924</identifier><datestamp>2021-11-10T09:38:25Z</datestamp><setSpec>com_10259_3593</setSpec><setSpec>com_10259_5086</setSpec><setSpec>com_10259_2604</setSpec><setSpec>com_10259_3596</setSpec><setSpec>col_10259_3594</setSpec><setSpec>col_10259_3597</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="493" confidence="500" orcid_id="">Rubio Presa, Rubén</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="422" confidence="500" orcid_id="">Pedrosa Sáez, María de los Remedios</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="174" confidence="500" orcid_id="">Fernández Rodríguez, Manuel A.</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="38" confidence="500" orcid_id="">Arnáiz García, Francisco Javier</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="531" confidence="500" orcid_id="">Sanz Díez, Roberto</dim:field>
<dim:field mdschema="dc" element="date" qualifier="accessioned">2018-09-07T10:20:10Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="available">2018-10-06T02:45:06Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="issued">2017-10</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="issn">1523-7060</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="uri">http://hdl.handle.net/10259/4924</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="doi">10.1021/acs.orglett.7b02792</dim:field>
<dim:field mdschema="dc" element="description" qualifier="abstract" lang="en">A novel domino reduction/imine formation/intramolecular cyclization/oxidation for the efficient synthesis of pyrrolo(indolo)[1,2-a]quinoxalines and pyrrolo(indolo)[3,2-c]-quinolines from readily available nitrobenzenes and glycols is reported. The process utilizes the carbonyl byproduct of the initial dioxomolybdenum(VI)-catalyzed reduction of nitroaromatics with glycols as a reagent for the imine generation. This method represents the first sustainable domino reaction for the preparation of biologically relevant heterocycles that internally incorporates the waste formed in the first step to the final product.</dim:field>
<dim:field mdschema="dc" element="description" qualifier="sponsorship" lang="en">Junta de Castilla y León and FEDER&#xd;
(BU076U16) and Ministerio de Economía&#xd;
y Competitividad&#xd;
(MINECO) (CTQ2015-70371-REDT and CTQ2016-75023-&#xd;
C2-1-P)</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="en">American Chemical Society</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="ispartof" lang="en">Organic Letters. 2018, V. 19, n. 19, p. 5470-5473</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="publisherversion">https://doi.org/10.1021/acs.orglett.7b02792</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="projectID">info:eu-repo/grantAgreement/JCyL/BU076U16</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="projectID">info:eu-repo/grantAgreement/MINECO/CTQ2015-70371-REDT</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="projectID">info:eu-repo/grantAgreement/MINECO/CTQ2016-75023-&#xd;
C2-1-P</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">Molybdenum-Catalyzed Synthesis of Nitrogenated Polyheterocycles from Nitroarenes and Glycols with Reuse of Waste Reduction By-product</dim:field>
<dim:field mdschema="dc" element="type">info:eu-repo/semantics/article</dim:field>
<dim:field mdschema="dc" element="type" qualifier="hasVersion" lang="en">info:eu-repo/semantics/acceptedVersion</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="accessRights">info:eu-repo/semantics/openAccess</dim:field>
</dim:dim></metadata></record></GetRecord></OAI-PMH>