Reactivity of Rare-Earth Metal Complexes Stabilized by an Anilido-Phosphinimine Ligand
Data(s) |
2009
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Resumo |
Treatment of anilido-phosphinimine-ligated yttrium mono(alkyl) complex 1a, LY(CH2Si(CH3)(3))(THF) (L = o-(2,6-(C6H3Pr2)-Pr-i)NC6H4P(C6H4)(C6H5)N(2,4,6-C6H2Me3)), with 2 equiv of phenylsilane in DME afforded methoxy-bridged complex 2, [LY(mu-OCH3)](2), via the corresponding hydrido intermediate. When excess isoprene was added to the mixture of la and phenylsilane, a eta(3)-isopentene product, 3, LY(CH2C(CH3)=CHCH3)(THF), was isolated. A lutetium chloride, LLuCl(DME) (4), was generated through the reaction of lutetium mono(alkyl) complex 1b, LLu(CH2Si(CH3)(3))(THF), with [Ph3C]-[B(C6F5)(4)]center dot LiCl accompanied by the formation of [Li(DME)(3)](+)[B(C6F5)(4)](-). Metathesis reaction of 1b with excess AlMe3 at room temperature gave a methyl-terminated counterpart, 5, LLu(CH3)(THF)(2). In all these reactions, the Ln-C-phenyl bonds of complexes 1 remained untouched. |
Identificador | |
Idioma(s) |
英语 |
Fonte |
Liu B;Liu XL;Cui DM;Liu L.Reactivity of Rare-Earth Metal Complexes Stabilized by an Anilido-Phosphinimine Ligand,ORGANOMETALLICS,2009,28(5 ):1453-1460 |
Palavras-Chave | #LANTHANIDE ALKYL COMPLEXES #BETA-DIKETIMINATO LIGANDS #OLEFIN-POLYMERIZATION #CATALYTIC-ACTIVITY #METHYL COMPLEXES #ETHYLENE POLYMERIZATION #CYCLOPENTADIENYL LIGAND #ISOPRENE POLYMERIZATION #LIVING POLYMERIZATION #MOLECULAR-STRUCTURE |
Tipo |
期刊论文 |