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  • The synthesis and structure of lanthanide(III) amides containing one bifunctional beta-diketiminate ligand is reported. Compounds were obtained via a protolytic reaction of the free beta-diketimine {N-[(2-MeO) C6H5]}N=C(Me)CH=C(Me)N(H){N '-[(2-MeO)C6H5]} ((LH)-H-CO) or {N-[(2-MeO)C6H5]}N=CHCH=CHN(H) {N '-[(2-MeO)C6H5]} ((LH)-H-HO) with corresponding tris(amide) of the Ln[N(SiMe3)(2)](3) (Ln = Y, La, Nd, Sm, Eu, Gd and Yb) type in equimolar ratio at ambient temperature. Products were characterized by IR and/or multinuclear NMR spectroscopy techniques and structures of four of them have been determined by X-ray diffraction techniques. Complexes (LY)-Y-CO[N( SiMe3)(2)](2), (LLa)-La-CO[N(SiMe3)(2)](2), (LNd)-Nd-CO[N(SiMe3)(2)](2) and (LYb)-Yb-HO [N(SiMe3)(2)](2) crystalize as monomers with the six-coordinated metal centre by two amido and one tetradentate beta-diketiminato ligands. Minor hydrolytic products of composition [(LSmN)-Sm-CO(SiMe3)(2)](2)O and (L-CO)(4)O-2(OH)(4)La-4 were obtained and their structures contain two or four lanthanide atoms linked through the oxo- or hydroxo bridges. Diamagnetic complexes were tested for its potential applications in hydroamination and polymerization reactions, respectively, giving low conversion in all reactions.
  • The synthesis and structure of lanthanide(III) amides containing one bifunctional beta-diketiminate ligand is reported. Compounds were obtained via a protolytic reaction of the free beta-diketimine {N-[(2-MeO) C6H5]}N=C(Me)CH=C(Me)N(H){N '-[(2-MeO)C6H5]} ((LH)-H-CO) or {N-[(2-MeO)C6H5]}N=CHCH=CHN(H) {N '-[(2-MeO)C6H5]} ((LH)-H-HO) with corresponding tris(amide) of the Ln[N(SiMe3)(2)](3) (Ln = Y, La, Nd, Sm, Eu, Gd and Yb) type in equimolar ratio at ambient temperature. Products were characterized by IR and/or multinuclear NMR spectroscopy techniques and structures of four of them have been determined by X-ray diffraction techniques. Complexes (LY)-Y-CO[N( SiMe3)(2)](2), (LLa)-La-CO[N(SiMe3)(2)](2), (LNd)-Nd-CO[N(SiMe3)(2)](2) and (LYb)-Yb-HO [N(SiMe3)(2)](2) crystalize as monomers with the six-coordinated metal centre by two amido and one tetradentate beta-diketiminato ligands. Minor hydrolytic products of composition [(LSmN)-Sm-CO(SiMe3)(2)](2)O and (L-CO)(4)O-2(OH)(4)La-4 were obtained and their structures contain two or four lanthanide atoms linked through the oxo- or hydroxo bridges. Diamagnetic complexes were tested for its potential applications in hydroamination and polymerization reactions, respectively, giving low conversion in all reactions. (en)
Title
  • Structure and potential applications of amido lanthanide complexes chelated by bifunctional beta-diketiminate ligand
  • Structure and potential applications of amido lanthanide complexes chelated by bifunctional beta-diketiminate ligand (en)
skos:prefLabel
  • Structure and potential applications of amido lanthanide complexes chelated by bifunctional beta-diketiminate ligand
  • Structure and potential applications of amido lanthanide complexes chelated by bifunctional beta-diketiminate ligand (en)
skos:notation
  • RIV/00216275:25310/14:39898436!RIV15-GA0-25310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GAP106/10/0924)
http://linked.open...iv/cisloPeriodika
  • June
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...dnocenehoVysledku
  • 47910
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  • RIV/00216275:25310/14:39898436
http://linked.open...riv/jazykVysledku
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  • Polymerization; Hydroamination; Lanthanides; Bifunctional beta-diketiminates (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV
  • [0C22B0CE4963]
http://linked.open...i/riv/nazevZdroje
  • Journal of Organometallic Chemistry
http://linked.open...in/vavai/riv/obor
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http://linked.open...vavai/riv/projekt
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http://linked.open...v/svazekPeriodika
  • 759
http://linked.open...iv/tvurceVysledku
  • Padělková, Zdeňka
  • Růžička, Aleš
  • Horáček, Michal
  • Merna, Jan
  • Olejník, Roman
  • Fridrichová, Adéla
http://linked.open...ain/vavai/riv/wos
  • 000334291300001
issn
  • 0022-328X
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.jorganchem.2014.02.007
http://localhost/t...ganizacniJednotka
  • 25310
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