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    • 6. 发明授权
    • Ansa group 4 metal bis (.mu.-substituted) aluminum complexes
    • Ansa组4金属双(μ-取代)铝络合物
    • US6140521A
    • 2000-10-31
    • US330672
    • 1999-06-11
    • Eugene Y. ChenWilliam J. Kruper, Jr.Peter N. NickiasDavid R. Wilson
    • Eugene Y. ChenWilliam J. Kruper, Jr.Peter N. NickiasDavid R. Wilson
    • C07F5/06C07F7/10C07F7/28C07F17/00C07F19/00C08F4/642C08F4/659C08F4/6592C08F10/00C07F7/00C08F4/64
    • C08F10/00C07F17/00C07F5/066C08F210/16C08F4/65908C08F4/6592C08F4/65927Y10S526/943
    • Ansa bis(.mu.-substituted) Group 4 metal and aluminum compounds comprising a single Group 4 metal atom and two aluminum metal atoms corresponding to the formula: ##STR1## wherein: L' is a .pi.-bonded group,M is a Group 4 metal,J is nitrogen or phosphorus;Z is a divalent bridging group causing the complex to have an ansa structure,R' is an inert monovalent ligand;r is one or two;X independently each occurrence is a Lewis basic ligand group able to form a .mu.-bridging ligand group, and optionally the two X groups may be joined together, andA' independently each occurrence is an aluminum containing Lewis acid compound that forms an adduct with the metal complex by means of the .mu.-bridging groups, and optionally two A' groups may be joined together thereby forming a single difunctional Lewis acid containing compound, and a method of preparation comprising contacting a charge-neutral Group IV metal coordination complex having at least two Lewis basic groups with at least two molar equivalents of charge-neutral aluminum coordination complexes having Lewis acidic aluminum atoms such that at least two of the aluminum atoms of the aluminum coordination complexes bond to at least two of the Lewis basic groups of the Group IV coordination complex.
    • Ansa双(μ-取代的)第4族金属和铝化合物,其包含对应于下式的单个第4族金属原子和两个铝金属原子:其中:L'是π键合基团,M是第4族金属,J是 氮或磷; Z是使络合物具有ansa结构的二价桥连基团,R'是惰性单价配体; r是一两个; 独立地,X独立地是能够形成mu-桥接配体基团的路易斯碱性配体基团,并且任选地两个X基团可以连接在一起,并且A'独立地是含铝的路易斯酸化合物,其与 金属络合物,并且任选地两个A'基团可以连接在一起,从而形成单一双官能路易斯酸化合物,以及制备方法,包括使具有至少一个电荷的中性IV族金属配位络合物 两个路易斯碱性基团,其具有至少两摩尔当量的具有路易斯酸性铝原子的电荷 - 中性铝配位络合物,使得铝配位络合物的至少两个铝原子与至少两个第IV族的路易斯碱性基团键合 协调综合体