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  • 1
    Digitale Medien
    Digitale Medien
    Sterische Cyclopentadienyl-Äquivalente in der Chemie der f-Elemente: Monomere, homoleptische Lanthanid(III)-tris[N,N′-bis(trimethylsilyl)-benzamidinate] (1992)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 125 (1992), S. 2171-2181 
    Details
    ISSN: 0009-2940
    Schlagwort(e): Lanthanides ; Benzamidinate ligands ; Steric cyclopentadienyl equivalents ; Chemistry ; Inorganic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: Steric Cyclopentadienyl Equivalents in f-Element Chemistry: Monomeric, Homoleptic Lanthanide(III) Tris[N,N′-bis(trimethylsilyl)benzamidinates]Anhydrous lanthanide trichlorides react with N-silylated sodium benzamidinates, Na[4-RC6H4C(NSiMe3)2], (1a-d), to give the monomeric, homoleptic lanthanide(III) benzamidinates [4-RC6H4C(NSiMe3)2]3Ln (2-23, R = H, MeO, CF3, Ph). The molecular structure of [4-MeOC6H4C(NSiMe3)2]3Pr (11) has been determined by X-ray diffraction. Absorption and emission measurements reveal that the three benzamidinate ligands produce an unusually large crystal field which is comparable with that of cyclopentadienyl.
    Zusätzliches Material: 7 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/cber.19921251003
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  • 2
    Digitale Medien
    Digitale Medien
    Cyclopentadienyl-Free Organolanthanide ChemistryDedicated to Professor Herbert W. Roesky on the occasion of his 60th birthday (1995)
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 34 (1995), S. 2466-2488 
    Details
    ISSN: 0570-0833
    Schlagwort(e): cyclooctatetraene complexes ; homogeneous catalysis ; lanthanides organolanthanide compounds ; Cyclooctatetraenes ; Homogeneous catalysis ; Lanthanides ; Organolanthanides ; Chemistry ; General Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: During the past ten years the organometallic chemistry of the lanthanides has witnessed enormous growth. One of the main reasons for this development was the finding that lanthanide metallocenes can exhibit an unusually high catalytic activity. Considerable advances have also been achieved in the chemistry of organolanthanide complexes that are not stabilized by cyclopentadienyl ligands. For example, the successful synthesis of the first unsolvated homoleptic trialkyllanthanides, [Ln{CH(SiMe3)2}3], has recently been reported. Anionic allyl complexes of the lanthanides show promising catalytic properties and cyclooctatetraene complexes of these elements are also under active investigation. This review is intended to provide an overview of this rapidly developing area of research.
    Zusätzliches Material: 37 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/anie.199524661
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