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Article: Atom-transfer tandem radical cyclization reactions promoted by Lewis acids

TitleAtom-transfer tandem radical cyclization reactions promoted by Lewis acids
Authors
Yang, DGu, SYan, YLZhao, HWZhu, NY
KeywordsCyclization
Enantioselectivity
Lewis acids
Radicals
Synthetic methods
Issue Date2002
PublisherWiley - V C H Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www3.interscience.wiley.com/journal/26737/home
Citation
Angewandte Chemie - International Edition, 2002, v. 41 n. 16, p. 3014-3017 How to Cite?
DOI: http://dx.doi.org/10.1002/1521-3773(20020816)41:16<3014::AID-ANIE3014>3.0.CO;2-J
AbstractVarious polycyclic ring skeletons (e.g. 3) are formed from unsaturated α-bromo β-keto esters (e.g. 1) in a Lewis acid catalyzed atom-transfer tandem radical-cyclization reaction in moderate to good yields and with excellent stereo-selectivities. Furthermore, in the presence of chiral complexes such as [Yb(Ph-pybox)(OTf) 3] (2), the enantioselective cyclization gave up to 84% ee. OTf = trifluoromethanesulfonate, pybox = 2,6-bis(2-oxazolin-2-yl)pyridine.
Persistent Identifierhttp://hdl.handle.net/10722/69536
ISSN
1433-7851
2023 Impact Factor: 16.1
2023 SCImago Journal Rankings: 5.300
ISI Accession Number ID
WOS:000177597700030
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorYang, Den_HK
dc.contributor.authorGu, Sen_HK
dc.contributor.authorYan, YLen_HK
dc.contributor.authorZhao, HWen_HK
dc.contributor.authorZhu, NYen_HK
dc.date.accessioned2010-09-06T06:14:34Z-
dc.date.available2010-09-06T06:14:34Z-
dc.date.issued2002en_HK
dc.identifier.citationAngewandte Chemie - International Edition, 2002, v. 41 n. 16, p. 3014-3017en_HK
dc.identifier.issn1433-7851en_HK
dc.identifier.urihttp://hdl.handle.net/10722/69536-
dc.description.abstractVarious polycyclic ring skeletons (e.g. 3) are formed from unsaturated α-bromo β-keto esters (e.g. 1) in a Lewis acid catalyzed atom-transfer tandem radical-cyclization reaction in moderate to good yields and with excellent stereo-selectivities. Furthermore, in the presence of chiral complexes such as [Yb(Ph-pybox)(OTf) 3] (2), the enantioselective cyclization gave up to 84% ee. OTf = trifluoromethanesulfonate, pybox = 2,6-bis(2-oxazolin-2-yl)pyridine.en_HK
dc.languageengen_HK
dc.publisherWiley - V C H Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www3.interscience.wiley.com/journal/26737/homeen_HK
dc.relation.ispartofAngewandte Chemie - International Editionen_HK
dc.subjectCyclizationen_HK
dc.subjectEnantioselectivityen_HK
dc.subjectLewis acidsen_HK
dc.subjectRadicalsen_HK
dc.subjectSynthetic methodsen_HK
dc.titleAtom-transfer tandem radical cyclization reactions promoted by Lewis acidsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1433-7851&volume=41&issue=16&spage=3014&epage=3017&date=2002&atitle=Atom-transfer+tandem+radical+cyclization+reactions+promoted+by+Lewis+acidsen_HK
dc.identifier.emailYang, D: yangdan@hku.hken_HK
dc.identifier.emailZhu, NY: nzhu@hkucc.hku.hken_HK
dc.identifier.authorityYang, D=rp00825en_HK
dc.identifier.authorityZhu, NY=rp00845en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/1521-3773(20020816)41:16<3014::AID-ANIE3014>3.0.CO;2-Jen_HK
dc.identifier.pmid12203442-
dc.identifier.scopuseid_2-s2.0-0037119320en_HK
dc.identifier.hkuros75912en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037119320&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume41en_HK
dc.identifier.issue16en_HK
dc.identifier.spage3014en_HK
dc.identifier.epage3017en_HK
dc.identifier.isiWOS:000177597700030-
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridYang, D=7404800756en_HK
dc.identifier.scopusauthoridGu, S=36901908100en_HK
dc.identifier.scopusauthoridYan, YL=7404586174en_HK
dc.identifier.scopusauthoridZhao, HW=10638783400en_HK
dc.identifier.scopusauthoridZhu, NY=7201449530en_HK
dc.identifier.issnl1433-7851-

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