申请人:MITSUI PETROCHEMICAL INDUSTRIES, LTD.
公开号:EP0629632A2
公开(公告)日:1994-12-21
A transition metal compound of formula (I):
wherein M is a transition metal of Group IVa, Group Va or Group VIa of the periodic table;
each R¹, which may be identical or different, is a hydrocarbon group of 2 to 6 carbon atoms;
each R², which may be identical or different, is an aryl group of 6 to 16 carbon atoms, which may be unsubstituted or substituted with a halogen atom, a hydrocarbon group of 1 to 20 carbon atoms or an organosilyl group;
X¹ and X², which may be identical or different, are each a hydrogen atom, a halogen atom, a hydrocarbon group of 1 to 20 carbon atoms, a halogenated hydrocarbon group of 1 to 20 carbon atoms, an oxygen-containing group or a sulfur-containing group; and
Y is a divalent hydrocarbon group of 1 to 20 carbon atoms, a divalent halogenated hydrocarbon group of 1 to 20 carbon atoms, a divalent silicon-containing group, a divalent germanium-containing group, -O-, -CO-, -S-, -SO-, -SO₂-, -NR³-, -P(R³)-, -P(O)(R³)-, -BR³- or -AlR³-, wherein R³ is a hydrogen atom, a halogen atom, a hydrocarbon group of 1 to 20 carbon atoms or a halogenated hydrocarbon group of 1 to 20 carbon atoms.
式 (I) 的过渡金属化合物:
其中 M 是元素周期表中第 IVa 族、第 Va 族或第 VIa 族的过渡金属;
每个 R¹(可以相同或不同)是 2 至 6 个碳原子的烃基
每个 R²(可以相同或不同)是 6 至 16 个碳原子的芳基,可以未被取代,也可以被卤素原子、1 至 20 个碳原子的烃基或有机硅基取代;
X¹和 X²可以相同或不同,各自为氢原子、卤素原子、1 至 20 个碳原子的烃基、1 至 20 个碳原子的卤代烃基、含氧基团或含硫基团;以及
Y 是 1 至 20 个碳原子的二价烃基、1 至 20 个碳原子的二价卤代烃基、二价含硅基、二价含锗基、-O-、-CO-、-S-、-CO-、-SO-、-SO₂-、-NR³-、-P(R³)-、-P(O)(R³)-、-BR³- 或 -AlR³-,其中 R³ 是氢原子、卤素原子、1 至 20 个碳原子的烃基或 1 至 20 个碳原子的卤代烃基。