<?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>2026-04-29T13:44:52Z</responseDate><request verb="GetRecord" identifier="oai:riubu.ubu.es:10259/4278" metadataPrefix="dim">https://riubu.ubu.es/oai/request</request><GetRecord><record><header><identifier>oai:riubu.ubu.es:10259/4278</identifier><datestamp>2022-04-29T12:02:48Z</datestamp><setSpec>com_10259_3593</setSpec><setSpec>com_10259_5086</setSpec><setSpec>com_10259_2604</setSpec><setSpec>col_10259_3594</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="25" confidence="500" orcid_id="">Álvarez Manuel, Estela</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="22ecaaeb-839e-4c87-89aa-1aff3dc73b53" confidence="500" orcid_id="">Nieto Faza, Olalla .</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="0ee5b0c9-6148-4e20-8d10-a4196558fb1c" confidence="500" orcid_id="">Silva López, Carlos</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="531" confidence="500" orcid_id="">Sanz Díez, Roberto</dim:field>
<dim:field mdschema="dc" element="date" qualifier="accessioned">2016-11-22T09:15:54Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="available">2016-11-22T09:15:54Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="issued">2015-09</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="issn">0947-6539</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="uri">http://hdl.handle.net/10259/4278</dim:field>
<dim:field mdschema="dc" element="description" qualifier="abstract" lang="en">A cascade reaction of indoles with propargylic diols&#xd;
involving an unprecedented metal-free 1,2-indole migration onto an&#xd;
alkyne is here described. DFT calculations support a mechanism&#xd;
consisting in a concerted nucleophilic attack of the indole nucleus&#xd;
with loss of water followed by the 1,2-migration and subsequent&#xd;
Nazarov cyclization. This Brønsted acid-catalyzed protocol affords&#xd;
indole-functionalized benzofulvene derivatives in high yields.</dim:field>
<dim:field mdschema="dc" element="description" qualifier="sponsorship" lang="en">Junta de Castilla y León(BU237U13) and Ministerio de Economía y Competitividad (MINECO) and FEDER (CTQ2013-48937-C2-1P and 2-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">Wiley-VCH Verlag</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="ispartof" lang="en">Chemistry-a european journal. 2015, V. 21, n. 37, p. 12889–12893</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="publisherversion">http://dx.doi.org/10.1002/chem.201502174</dim:field>
<dim:field mdschema="dc" element="subject" lang="en">benzofulvenes</dim:field>
<dim:field mdschema="dc" element="subject" lang="en">Brønsted acid</dim:field>
<dim:field mdschema="dc" element="subject" lang="en">catalysis</dim:field>
<dim:field mdschema="dc" element="subject" lang="en">indolemigration</dim:field>
<dim:field mdschema="dc" element="subject" lang="en">Nazarov cyclization</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="other" lang="en">Chemistry, Organic</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="other" lang="es">Química orgánica</dim:field>
<dim:field mdschema="dc" element="title" lang="en">Brønsted Acid-Catalyzed Cascade Reactions Involving 1,2-Indole Migration</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>