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Article: Novel chiral di-2-pyridyl ketone ligands: Crystal structure of a copper complex and its activity in the copper-catalyzed enantioselective cyclopropanation of styrene

TitleNovel chiral di-2-pyridyl ketone ligands: Crystal structure of a copper complex and its activity in the copper-catalyzed enantioselective cyclopropanation of styrene
Authors
KeywordsAsymmetric catalysis
Chiral auxiliaries
Copper
Cyclopropanation
Nitrogen heterocycles
Pyridyl
Issue Date2000
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, 2000 n. 9, p. 1997-2002 How to Cite?
AbstractNew C 2-symmetric chiral di-2-pyridyl ketones were prepared from readily available chiral bromopyridines. Their complexes with copper were synthesized and characterized by X-ray crystallography. The copper complexes were prepared in situ with the triflate anion and were found to be active in the catalysis of cyclopropanation with diazo esters and alkenes. Reaction yields were excellent and enantioselectivities of up to 61% were observed.
Persistent Identifierhttp://hdl.handle.net/10722/70323
ISSN
2015 Impact Factor: 2.686
2015 SCImago Journal Rankings: 1.018
References

 

DC FieldValueLanguage
dc.contributor.authorKwong, HLen_HK
dc.contributor.authorCheng, LSen_HK
dc.contributor.authorLee, WSen_HK
dc.contributor.authorWong, WLen_HK
dc.contributor.authorWong, WTen_HK
dc.date.accessioned2010-09-06T06:21:47Z-
dc.date.available2010-09-06T06:21:47Z-
dc.date.issued2000en_HK
dc.identifier.citationEuropean Journal Of Inorganic Chemistry, 2000 n. 9, p. 1997-2002en_HK
dc.identifier.issn1434-1948en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70323-
dc.description.abstractNew C 2-symmetric chiral di-2-pyridyl ketones were prepared from readily available chiral bromopyridines. Their complexes with copper were synthesized and characterized by X-ray crystallography. The copper complexes were prepared in situ with the triflate anion and were found to be active in the catalysis of cyclopropanation with diazo esters and alkenes. Reaction yields were excellent and enantioselectivities of up to 61% were observed.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.subjectChiral auxiliariesen_HK
dc.subjectCopperen_HK
dc.subjectCyclopropanationen_HK
dc.subjectNitrogen heterocyclesen_HK
dc.subjectPyridylen_HK
dc.titleNovel chiral di-2-pyridyl ketone ligands: Crystal structure of a copper complex and its activity in the copper-catalyzed enantioselective cyclopropanation of styreneen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1434-1948&volume=&spage=1997&epage=2002&date=2000&atitle=Novel+Chiral+Di-2-pyridyl+Ketone+Ligands:++Crystal+Structure+of+a+Copper+Complex+and+its+Activity+in+the+Copper-Catalyzed+Enantioselective+Cyclopropanation+of+Styreneen_HK
dc.identifier.emailWong, WT: wtwong@hku.hken_HK
dc.identifier.authorityWong, WT=rp00811en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/1099-0682(200009)2000:9<1997::AID-EJIC1997>3.0.CO;2-6-
dc.identifier.scopuseid_2-s2.0-0033802421en_HK
dc.identifier.hkuros56693en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0033802421&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.issue9en_HK
dc.identifier.spage1997en_HK
dc.identifier.epage2002en_HK
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridKwong, HL=35569416300en_HK
dc.identifier.scopusauthoridCheng, LS=55474060000en_HK
dc.identifier.scopusauthoridLee, WS=7407089119en_HK
dc.identifier.scopusauthoridWong, WL=7403971961en_HK
dc.identifier.scopusauthoridWong, WT=7403973084en_HK

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