申请人:MITSUI PETROCHEMICAL INDUSTRIES, LTD.
公开号:EP0629631A2
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 and Group VIa of the periodic table;
R¹ and R², which may all be identical or different from each other, 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, a silicon-containing group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group or a phosphorus-containing group;
R³ is an alkyl group of 2 to 20 carbon atoms;
R⁴ is an alkyl group of 1 to 20 carbon atoms;
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, a divalent tin-containing group, -O-, -CO-, -S-, -SO-, -SO₂-, -NR⁵-, -P(R⁵)-, -P(O)(R⁵)-, -BR⁵- or -A1R⁵-, wherein R⁵ 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 族和第 VIa 族的过渡
金属;
R¹和 R²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
硅基、含氧基、含
硫基、含氮基或含
磷基;
R³ 是 2 至 20 个碳原子的烷基;
R⁴ 是 1 至 20 个碳原子的烷基;
X¹和X²可以相同或不同,各自是氢原子、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、二价含
锡基、-O-、-CO-、-S-、-SO-、-SO₂-、-NR⁵-、-P(R⁵)-、-P(O)(R⁵)-、-BR⁵- 或 -A1R⁵-,其中 R⁵ 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。