申请人:Voskoboynikov Alexander Zelmanovich
公开号:US20100305286A1
公开(公告)日:2010-12-02
A complex comprising a ligand of formula (I), wherein each R
1
, which may be the same or different, is hydrogen, an optionally substituted C
1-20
hydrocarbyl group, N(R
5
)
2
, silyl, siloxy; an optionally substituted heteroaryl group, an optionally substituted heterocyclyl group or two R
1
groups on adjacent carbon atoms taken together may form an optionally substituted 5- to 8-membered fused ring; each R
2
, which may be the same or different is hydrogen, is hydrogen, an optionally substituted C
1-20
hydrocarbyl group, N(R
5
)
2
, silyl, siloxy; an optionally substituted heteroaryl group, or an optionally substituted heterocyclyl group; R
3
, which binds to the 6-membered ring of the indenyl group, is —(Si(R
5
)
2
)
p
—, where p is 1 or 2, —(C(R
5
)
2
)n- where n is an integer of 2 or more; each R
4
which may be the same or different, is hydrogen, an optionally substituted C
1-20
hydrocarbyl group, N(R
5
)
2
, silyl, siloxy, an optionally substituted heteroaryl group, an optionally substituted heterocyclyl group or two R
4
groups on adjacent carbon atoms taken together can form an optionally substituted 5- to 8-membered fused carbon ring; each R
5
, which may be the same or different, is hydrogen, an optionally substituted C
1-20
hydrocarbyl group, or two R
5
groups taken together can form an optionally substituted 5- to 8-membered ring; a is 0 to 3; b is 0 to 3; c is 0 to 4; complexed to a metal ion, M.
该复合物包括公式(I)的配体,其中每个R1,可以相同或不同,是氢,可选择性取代的C1-20烃基,N(R5)2,硅基,硅氧基;可选择性取代的杂环芳基,可选择性取代的杂环基或相邻碳原子上的两个R1基团可以形成可选择性取代的5-至8元素融合环;每个R2,可以相同或不同,是氢,可选择性取代的C1-20烃基,N(R5)2,硅基,硅氧基;可选择性取代的杂环芳基或可选择性取代的杂环基;R3结合到茚烯基的6元环上,是-Si(R5)2p-,其中p为1或2,-(C(R5)2)n-,其中n为2或更多的整数;每个R4,可以相同或不同,是氢,可选择性取代的C1-20烃基,N(R5)2,硅基,硅氧基,可选择性取代的杂环芳基,可选择性取代的杂环基或相邻碳原子上的两个R4基团可以形成可选择性取代的5-至8元素融合碳环;每个R5,可以相同或不同,是氢,可选择性取代的C1-20烃基,或两个R5基团可以形成可选择性取代的5-至8元素环;a为0至3;b为0至3;c为0至4;与金属离子M形成络合物。