发明授权
- 专利标题: Metal organic catalysts for polymerizing unsaturated compounds
- 专利标题(中): 用于聚合不饱和化合物的金属有机催化剂
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申请号: US09959382申请日: 2001-10-24
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公开(公告)号: US06593437B1公开(公告)日: 2003-07-15
- 发明人: Andrei Gonioukh , Wolfgang Micklitz , Benno Bildstein , Michael Malaun , Andreas Hradsky
- 申请人: Andrei Gonioukh , Wolfgang Micklitz , Benno Bildstein , Michael Malaun , Andreas Hradsky
- 优先权: DE19920486 19990504
- 主分类号: C08F470
- IPC分类号: C08F470
摘要:
A process for preparing 1,2-diimine compounds of the formula I where R1 and R2 are, independently of one another, alkyl, aryl or metallocenyl radicals, and R3, R4 are, independently of one another, H, alkyl or aryl radicals or R3 and R4 are joined so as to form, with inclusion of the two imine carbon atoms, a 5- to 8-membered ring which may be saturated or unsaturated and may be unsubstituted or substituted by any hydrocarbon radicals. The process involves reacting 1,2-dicarbonyl compounds with primary amines, which have been activated with trialkylaluminum compounds prior to the reaction with the 1,2-dicarbonyl compounds. 1,2-Diimine compounds of the formula I in which R1 and R2 are, independently of one another, metallocenyl radicals can be used to prepare metal complexes which can be used as catalysts in a process for the polymerization of unsaturated compounds.
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