Synthesis of the First Stable Palladium Allenylidene Complexes

Kurzanzeige
dc.contributor.authorKessler, Florian
dc.contributor.authorSzesni, Normendeu
dc.contributor.authorPõhako, Kaijadeu
dc.contributor.authorWeibert, Bernhard
dc.contributor.authorFischer, Helmut
dc.date.accessioned2011-03-24T18:15:50Zdeu
dc.date.available2011-06-30T22:25:04Zdeu
dc.date.issued2009deu
dc.description.abstractOxidative addition of BrCCC(=O)NR2 to [Pd(PPh3)4] affords the trans-alkynylbromopalladium complexes trans-[Br(PPh3)2Pd−CCC(=O)NR2] (NR2 = NMe2 (2a), N(CH2)4) (2b)). Subsequent reaction of 2a,b with PiPr3 in excess gives trans-[Br(PiPr3)2Pd−CCC(=O)NR2] (5a,b). The analogous reaction of 2b with P(C6H4OMe-4)3 gives trans-[Br(P{C6H4OMe-4}3)2Pd−CCC(=O)NR2] (7b), and that of 2a with trifluoroacetate gives trans-[(F3CCOO)(PPh3)2Pd−CCC(=O)NMe2] (9a). Methylation of 2a,b, 7b, and 9a with either MeOTf or [Me3O]BF4 and ethylation of 2a,b with [Et3O]BF4 yield the first cationic allenylidene complexes of palladium, trans-[R*(PR′3)2Pd−CCC(OMe)NR2]+X− (R* = Br, CF3COO; R′ = Ph, C6H4OMe-4, iPr; X = OTf, BF4).eng
dc.description.versionpublished
dc.format.mimetypeapplication/pdfdeu
dc.identifier.citationFirst publ. in: Organometallics 28 (2009), 1, pp. 348-354deu
dc.identifier.doi10.1021/om800843e
dc.identifier.ppn312750331deu
dc.identifier.urihttp://kops.uni-konstanz.de/handle/123456789/9993
dc.language.isoengdeu
dc.legacy.dateIssued2009deu
dc.rightsterms-of-usedeu
dc.rights.urihttps://rightsstatements.org/page/InC/1.0/deu
dc.subjectAllenylidene complexesdeu
dc.subjectPalladiumdeu
dc.subjectAlkinyl complexesdeu
dc.subject.ddc540deu
dc.subject.gndChemische Synthesedeu
dc.subject.gndStrukturanalysedeu
dc.subject.gndIsolierung <Chemie>deu
dc.subject.gndPalladiumdeu
dc.titleSynthesis of the First Stable Palladium Allenylidene Complexeseng
dc.typeJOURNAL_ARTICLEdeu
dspace.entity.typePublication
kops.citation.bibtex
@article{Kessler2009Synth-9993,
  year={2009},
  doi={10.1021/om800843e},
  title={Synthesis of the First Stable Palladium Allenylidene Complexes},
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  volume={28},
  issn={0276-7333},
  journal={Organometallics},
  pages={348--354},
  author={Kessler, Florian and Szesni, Normen and Põhako, Kaija and Weibert, Bernhard and Fischer, Helmut}
}
kops.citation.iso690KESSLER, Florian, Normen SZESNI, Kaija PÕHAKO, Bernhard WEIBERT, Helmut FISCHER, 2009. Synthesis of the First Stable Palladium Allenylidene Complexes. In: Organometallics. 2009, 28(1), pp. 348-354. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om800843edeu
kops.citation.iso690KESSLER, Florian, Normen SZESNI, Kaija PÕHAKO, Bernhard WEIBERT, Helmut FISCHER, 2009. Synthesis of the First Stable Palladium Allenylidene Complexes. In: Organometallics. 2009, 28(1), pp. 348-354. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om800843eeng
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    <dcterms:abstract xml:lang="eng">Oxidative addition of BrCCC(=O)NR2 to [Pd(PPh3)4] affords the trans-alkynylbromopalladium complexes trans-[Br(PPh3)2Pd−CCC(=O)NR2] (NR2 = NMe2 (2a), N(CH2)4) (2b)). Subsequent reaction of 2a,b with PiPr3 in excess gives trans-[Br(PiPr3)2Pd−CCC(=O)NR2] (5a,b). The analogous reaction of 2b with P(C6H4OMe-4)3 gives trans-[Br(P{C6H4OMe-4}3)2Pd−CCC(=O)NR2] (7b), and that of 2a with trifluoroacetate gives trans-[(F3CCOO)(PPh3)2Pd−CCC(=O)NMe2] (9a). Methylation of 2a,b, 7b, and 9a with either MeOTf or [Me3O]BF4 and ethylation of 2a,b with [Et3O]BF4 yield the first cationic allenylidene complexes of palladium, trans-[R*(PR′3)2Pd−CCC(OMe)NR2]+X− (R* = Br, CF3COO; R′ = Ph, C6H4OMe-4, iPr; X = OTf, BF4).</dcterms:abstract>
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kops.sourcefieldOrganometallics. 2009, <b>28</b>(1), pp. 348-354. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om800843edeu
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kops.sourcefield.plainOrganometallics. 2009, 28(1), pp. 348-354. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om800843eeng
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