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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F14%3A39898436%21RIV15-GA0-25310___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
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.
dcterms: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
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
skos:notation
RIV/00216275:25310/14:39898436!RIV15-GA0-25310___
n3:aktivita
n10:P
n3:aktivity
P(GAP106/10/0924)
n3:cisloPeriodika
June
n3:dodaniDat
n18:2015
n3:domaciTvurceVysledku
n6:5804620 n6:5107962 n6:5585953 n6:6951082
n3:druhVysledku
n8:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
47910
n3:idVysledku
RIV/00216275:25310/14:39898436
n3:jazykVysledku
n17:eng
n3:klicovaSlova
Polymerization; Hydroamination; Lanthanides; Bifunctional beta-diketiminates
n3:klicoveSlovo
n5:Bifunctional%20beta-diketiminates n5:Hydroamination n5:Polymerization n5:Lanthanides
n3:kodStatuVydavatele
CH - Švýcarská konfederace
n3:kontrolniKodProRIV
[0C22B0CE4963]
n3:nazevZdroje
Journal of Organometallic Chemistry
n3:obor
n11:CA
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
6
n3:projekt
n9:GAP106%2F10%2F0924
n3:rokUplatneniVysledku
n18:2014
n3:svazekPeriodika
759
n3:tvurceVysledku
Růžička, Aleš Horáček, Michal Fridrichová, Adéla Olejník, Roman Padělková, Zdeňka Merna, Jan
n3:wos
000334291300001
s:issn
0022-328X
s:numberOfPages
10
n19:doi
10.1016/j.jorganchem.2014.02.007
n12:organizacniJednotka
25310