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Article: Crystallographic characterization of a palladium(II) metallamacrocycle supported by an amino-functionalized ferrocene and its use as an efficient Suzuki-coupling catalyst

TitleCrystallographic characterization of a palladium(II) metallamacrocycle supported by an amino-functionalized ferrocene and its use as an efficient Suzuki-coupling catalyst
Authors
Issue Date2004
Citation
Organometallics, 2004, v. 23, n. 15, p. 3603-3609 How to Cite?
AbstractComplexation of the bidentate ferrocenylamine [η-C 5H 4(CH 2)2N(CH 3)2]2Fe (1) with PdCl 2--(MeCN) 2 in MeOH at room temperature gives air-stable Pd 2Cl 4{Fe[η-C 5H 4(CH 2)2N(CH 3)2]}2 (2; yield 71%) of limited solubility in common organic solvents. X-ray single-crystal diffraction analyses showed that 2 has self-assembled into a metallamacrocyclic structure comprising two trans palladium(II) atoms intercalated with two eclipsed bis[(2-(dimethylamino)ethyl)- cyclopentadienyl]ferrocene groups, thus forming a {Pd 2Fe 2} heterometallic molecular "rectangle". Chloride abstraction with NH 4PF 6 leads to decomplexation, giving {[η-C 5H 4- (CH 2)2N(CH 3)2H] 2Fe}{PF 6}2 (3), which is the protonated form of 1. Complex 2 effectively catalyzes Suzuki cross-coupling reactions of aryl bromides with aryl boronic acids in MeOH at room temperature and 60°C, giving generally high yields even under low catalytic loads. The reaction conditions are reported together with comparison with other common catalysts.
Persistent Identifierhttp://hdl.handle.net/10722/219504
ISSN
2015 Impact Factor: 4.186
2015 SCImago Journal Rankings: 2.043

 

DC FieldValueLanguage
dc.contributor.authorWeng, Zhiqiang-
dc.contributor.authorTeo, Shihui-
dc.contributor.authorKoh, Lip Lin-
dc.contributor.authorHor, T. S Andy-
dc.date.accessioned2015-09-23T02:57:15Z-
dc.date.available2015-09-23T02:57:15Z-
dc.date.issued2004-
dc.identifier.citationOrganometallics, 2004, v. 23, n. 15, p. 3603-3609-
dc.identifier.issn0276-7333-
dc.identifier.urihttp://hdl.handle.net/10722/219504-
dc.description.abstractComplexation of the bidentate ferrocenylamine [η-C 5H 4(CH 2)2N(CH 3)2]2Fe (1) with PdCl 2--(MeCN) 2 in MeOH at room temperature gives air-stable Pd 2Cl 4{Fe[η-C 5H 4(CH 2)2N(CH 3)2]}2 (2; yield 71%) of limited solubility in common organic solvents. X-ray single-crystal diffraction analyses showed that 2 has self-assembled into a metallamacrocyclic structure comprising two trans palladium(II) atoms intercalated with two eclipsed bis[(2-(dimethylamino)ethyl)- cyclopentadienyl]ferrocene groups, thus forming a {Pd 2Fe 2} heterometallic molecular "rectangle". Chloride abstraction with NH 4PF 6 leads to decomplexation, giving {[η-C 5H 4- (CH 2)2N(CH 3)2H] 2Fe}{PF 6}2 (3), which is the protonated form of 1. Complex 2 effectively catalyzes Suzuki cross-coupling reactions of aryl bromides with aryl boronic acids in MeOH at room temperature and 60°C, giving generally high yields even under low catalytic loads. The reaction conditions are reported together with comparison with other common catalysts.-
dc.languageeng-
dc.relation.ispartofOrganometallics-
dc.titleCrystallographic characterization of a palladium(II) metallamacrocycle supported by an amino-functionalized ferrocene and its use as an efficient Suzuki-coupling catalyst-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1021/om049911y-
dc.identifier.scopuseid_2-s2.0-3343013146-
dc.identifier.volume23-
dc.identifier.issue15-
dc.identifier.spage3603-
dc.identifier.epage3609-

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