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Article: New chiral 2,2:6,2-terpyridine ligands from the chiral pool: synthesis, crystal structure of a rhodium complex and uses in copper- and rhodium-catalyzed enantioselective cyclopropanation of styrene

TitleNew chiral 2,2:6,2-terpyridine ligands from the chiral pool: synthesis, crystal structure of a rhodium complex and uses in copper- and rhodium-catalyzed enantioselective cyclopropanation of styrene
Authors
KeywordsCatalysis
Crystal structure
Stereochemistry
Synthesis
X ray crystallography
Issue Date2001
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/tetasy
Citation
Tetrahedron: Asymmetry, 2001, v. 12, p. 2683-2694 How to Cite?
AbstractA number of chiral C2-symmetric 2,2′:6′,2″ terpyridines L1–L4 were synthesized in moderate to good yields from commercially available chiral materials. Copper(II) and rhodium(III) chloride complexes of these ligands were prepared in good yields. The Rh(L2)Cl3 complex was isolated as a yellow crystalline solid and characterized by X-ray crystallography. Both Cu(L)(OTf)2 and Rh(L)(OTf)3 were found to be active catalysts in the cyclopropanation of styrene with ethyl diazoacetate. Enantioselectivity up to 82% e.e. was observed.
Persistent Identifierhttp://hdl.handle.net/10722/70436
ISSN
2015 Impact Factor: 2.108
2015 SCImago Journal Rankings: 0.806
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorKwong, HLen_HK
dc.contributor.authorWong, WLen_HK
dc.contributor.authorLee, WSen_HK
dc.contributor.authorCheng, LSen_HK
dc.contributor.authorWong, WTen_HK
dc.date.accessioned2010-09-06T06:22:52Z-
dc.date.available2010-09-06T06:22:52Z-
dc.date.issued2001en_HK
dc.identifier.citationTetrahedron: Asymmetry, 2001, v. 12, p. 2683-2694en_HK
dc.identifier.issn0957-4166en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70436-
dc.description.abstractA number of chiral C2-symmetric 2,2′:6′,2″ terpyridines L1–L4 were synthesized in moderate to good yields from commercially available chiral materials. Copper(II) and rhodium(III) chloride complexes of these ligands were prepared in good yields. The Rh(L2)Cl3 complex was isolated as a yellow crystalline solid and characterized by X-ray crystallography. Both Cu(L)(OTf)2 and Rh(L)(OTf)3 were found to be active catalysts in the cyclopropanation of styrene with ethyl diazoacetate. Enantioselectivity up to 82% e.e. was observed.-
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/tetasyen_HK
dc.relation.ispartofTetrahedron: Asymmetryen_HK
dc.subjectCatalysis-
dc.subjectCrystal structure-
dc.subjectStereochemistry-
dc.subjectSynthesis-
dc.subjectX ray crystallography-
dc.titleNew chiral 2,2:6,2-terpyridine ligands from the chiral pool: synthesis, crystal structure of a rhodium complex and uses in copper- and rhodium-catalyzed enantioselective cyclopropanation of styreneen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0957-4166&volume=12&spage=2683&epage=2694&date=2001&atitle=New+chiral+2,2%27:6%27,2%27-terpyridine+ligands+from+the+chiral+pool:+synthesis,+crystal+structure+of+a+rhodium+complex+and+uses+in+copper-+and+rhodium-catalyzed+enantioselective+cyclopropanation+of+styreneen_HK
dc.identifier.emailWong, WT: wtwong@hku.hken_HK
dc.identifier.authorityWong, WT=rp00811en_HK
dc.identifier.doi10.1016/S0957-4166(01)00431-1-
dc.identifier.scopuseid_2-s2.0-0035976081-
dc.identifier.hkuros68322en_HK
dc.identifier.volume12-
dc.identifier.spage2683-
dc.identifier.epage2694-
dc.identifier.isiWOS:000172743600008-
dc.publisher.placeUnited Kingdom-

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