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Article: Copper complexes of chiral tetradentate binaphthyl Schiff-base ligands: Syntheses, X-ray crystal structures and activity in catalytic asymmetric cyclopropanation of alkenes

TitleCopper complexes of chiral tetradentate binaphthyl Schiff-base ligands: Syntheses, X-ray crystal structures and activity in catalytic asymmetric cyclopropanation of alkenes
Authors
KeywordsAsymmetric catalysis
Copper
Cyclopropanation
Schiff bases
Structure elucidation
Issue Date2002
PublisherWiley - V C H Verlag GmbH & Co KGaA. The Journal's web site is located at http://www.eurjic.org
Citation
European Journal Of Inorganic Chemistry, 2002 n. 6, p. 1456-1463 How to Cite?
AbstractA number of new chiral monomeric binaphthyl Schiff-base ligands H2L [where H2L = 2,2′-bis(3-R1-5-R2-2-hydroxybenzylideneamino) -1,1′-binaphthyl] and a series of chiral copper(II) complexes [CuL] were prepared in good or nearly quantitative yields. Some of the free ligands and the [CuL] complexes were structurally characterized by X-ray crystallography. Almost all the [CuL] complexes were found to be active catalysts for the asymmetric cyclopropanation of alkenes with ethyl or tert-butyl diazoacetate. Enantioselectivities of up to 77% ee were observed. © Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002.
Persistent Identifierhttp://hdl.handle.net/10722/69576
ISSN
2015 Impact Factor: 2.686
2015 SCImago Journal Rankings: 1.018
References

 

DC FieldValueLanguage
dc.contributor.authorChe, CMen_HK
dc.contributor.authorKwong, HLen_HK
dc.contributor.authorChu, WCen_HK
dc.contributor.authorCheng, KFen_HK
dc.contributor.authorLee, WSen_HK
dc.contributor.authorYu, HSen_HK
dc.contributor.authorYeung, CTen_HK
dc.contributor.authorCheung, KKen_HK
dc.date.accessioned2010-09-06T06:14:56Z-
dc.date.available2010-09-06T06:14:56Z-
dc.date.issued2002en_HK
dc.identifier.citationEuropean Journal Of Inorganic Chemistry, 2002 n. 6, p. 1456-1463en_HK
dc.identifier.issn1434-1948en_HK
dc.identifier.urihttp://hdl.handle.net/10722/69576-
dc.description.abstractA number of new chiral monomeric binaphthyl Schiff-base ligands H2L [where H2L = 2,2′-bis(3-R1-5-R2-2-hydroxybenzylideneamino) -1,1′-binaphthyl] and a series of chiral copper(II) complexes [CuL] were prepared in good or nearly quantitative yields. Some of the free ligands and the [CuL] complexes were structurally characterized by X-ray crystallography. Almost all the [CuL] complexes were found to be active catalysts for the asymmetric cyclopropanation of alkenes with ethyl or tert-butyl diazoacetate. Enantioselectivities of up to 77% ee were observed. © Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002.en_HK
dc.languageengen_HK
dc.publisherWiley - V C H Verlag GmbH & Co KGaA. The Journal's web site is located at http://www.eurjic.orgen_HK
dc.relation.ispartofEuropean Journal of Inorganic Chemistryen_HK
dc.subjectAsymmetric catalysisen_HK
dc.subjectCopperen_HK
dc.subjectCyclopropanationen_HK
dc.subjectSchiff basesen_HK
dc.subjectStructure elucidationen_HK
dc.titleCopper complexes of chiral tetradentate binaphthyl Schiff-base ligands: Syntheses, X-ray crystal structures and activity in catalytic asymmetric cyclopropanation of alkenesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1434-1948&volume=&spage=1456&epage=1463&date=2002&atitle=Copper+complexes+of+chiral+tetradentate+binaphthyl+Schiff-base+ligands:++syntheses,+X-ray+crystal+structures+and+activity+in+catalytic+asymmetric+cyclopropanation+of+alkenesen_HK
dc.identifier.emailChe, CM:cmche@hku.hken_HK
dc.identifier.authorityChe, CM=rp00670en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/1099-0682(200206)2002:6<1456::AID-EJIC1456>3.0.CO;2-H-
dc.identifier.scopuseid_2-s2.0-0036262856en_HK
dc.identifier.hkuros76376en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036262856&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.issue6en_HK
dc.identifier.spage1456en_HK
dc.identifier.epage1463en_HK
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridChe, CM=7102442791en_HK
dc.identifier.scopusauthoridKwong, HL=35569416300en_HK
dc.identifier.scopusauthoridChu, WC=7402227725en_HK
dc.identifier.scopusauthoridCheng, KF=7402997838en_HK
dc.identifier.scopusauthoridLee, WS=7407089119en_HK
dc.identifier.scopusauthoridYu, HS=37062812400en_HK
dc.identifier.scopusauthoridYeung, CT=7201354137en_HK
dc.identifier.scopusauthoridCheung, KK=36893099900en_HK

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