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Cyclopentadienyl free compounds of p, d, and f elements : = Cyclopentadienyl freie Komplexe von p, d und f Elementen / Dante Neculai

One of the main objectives of this dissertation was to establish a general route to the Cp-free bis-hydrocarbyl complexes for the 4f metals, LLnR2. Taking into account both the Lewis acidic nature of the lanthanide cations and the desired goal, the monoanionic ligand L: L = [N,N''-(1,3-dimethyl-1,3-... Full description

PPN (Catalogue-ID): 367125994
Nebentitel: Cyclopentadienyl freie Komplexe von p, d und f Elementen
Personen: Neculai, Dante
Format: eBook eBook
Language: English
Sprache der Zusammenfassung: Englisch
Published: 2003
Edition: Electronic edition
Hochschule: Göttingen, Univ., Diss., 2003
Basisklassifikation: 35.90
35.43
35.42
Formangabe: Hochschulschrift
Physical Description: V, 93 Bl

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520 |a One of the main objectives of this dissertation was to establish a general route to the Cp-free bis-hydrocarbyl complexes for the 4f metals, LLnR2. Taking into account both the Lewis acidic nature of the lanthanide cations and the desired goal, the monoanionic ligand L: L = [N,N''-(1,3-dimethyl-1,3-propanediylidene)bis[N',N'-diethyl-1,2-ethanediamine]] was designed in order to prevent salt occlusion, dimerization, THF ligation, and ligand redistribution (the ligand must be non-labile). Once the conjugated acid of the ligand L was obtained, its lithiation gave rise to a rich chemistry with main group metals, transition metals, and lanthanides such as LPrCl2 or LTbBr2 On the other hand the metathesis reactions proved to be difficult depending very much on the reaction conditions. Hence, only LTb(CH2SiMe3)2, could be prepared by salt elimination, and it was fully characterized. Additionally, it has been revealed that these precursors could undergo other metathesis reactions, for instance with NaBH4 
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