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Susam, Zeynep Dilsad; Bozdemir, Merve; Gundogdu, Gulsum; Tanyeli, Cihangir
<?xml version='1.0' encoding='utf-8'?> <resource xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://datacite.org/schema/kernel-4" xsi:schemaLocation="http://datacite.org/schema/kernel-4 http://schema.datacite.org/meta/kernel-4.1/metadata.xsd"> <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/233362</identifier> <creators> <creator> <creatorName>Susam, Zeynep Dilsad</creatorName> <givenName>Zeynep Dilsad</givenName> <familyName>Susam</familyName> <affiliation>Middle East Tech Univ, Dept Chem, TR-06800 Ankara, Turkey</affiliation> </creator> <creator> <creatorName>Bozdemir, Merve</creatorName> <givenName>Merve</givenName> <familyName>Bozdemir</familyName> <affiliation>Middle East Tech Univ, Dept Chem, TR-06800 Ankara, Turkey</affiliation> </creator> <creator> <creatorName>Gundogdu, Gulsum</creatorName> <givenName>Gulsum</givenName> <familyName>Gundogdu</familyName> <affiliation>Turkish German Univ, Fac Sci, Dept Energy Sci & Technol, TR-34820 Istanbul, Turkey</affiliation> </creator> <creator> <creatorName>Tanyeli, Cihangir</creatorName> <givenName>Cihangir</givenName> <familyName>Tanyeli</familyName> <affiliation>Middle East Tech Univ, Dept Chem, TR-06800 Ankara, Turkey</affiliation> </creator> </creators> <titles> <title>Enantioselective Synthesis Of 2,3-Dihydrofurans Using A Bifunctional Quinine/Squaramide Organocatalyst</title> </titles> <publisher>Aperta</publisher> <publicationYear>2022</publicationYear> <dates> <date dateType="Issued">2022-01-01</date> </dates> <resourceType resourceTypeGeneral="Text">Journal article</resourceType> <alternateIdentifiers> <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/233362</alternateIdentifier> </alternateIdentifiers> <relatedIdentifiers> <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1039/d1nj05121k</relatedIdentifier> </relatedIdentifiers> <rightsList> <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights> <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights> </rightsList> <descriptions> <description descriptionType="Abstract">Asymmetric organocatalytic domino type Michael-S(N)2 reactions give access to enantiomerically enriched dihydrofuran derivatives that can be used as valuable chiral building blocks. A variety of alpha-bromonitroalkenes and 1,3-dicarbonyl compounds were allowed to react under optimized conditions, in the presence of a bifunctional quinine-derived sterically encumbered squaramide (H-bond donor) organocatalyst. The conditions developed in this article have great advantages over the methods known in the literature in terms of reaction duration (1-6 h vs. 24-96 h) and reaction temperature (room temperature vs. -20 degrees C to -50 degrees C) giving rise to quite diastereoselective products with good enantioselectivities up to 97% ee.</description> </descriptions> </resource>
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