The present invention relates to compounds in which a transition metal is complexed by at least two ligand systems and at least two of the systems are reversibly joined to one another by at least one bridge comprising a donor and an acceptor, wherein at least one fluorenyl ligand is present and at least one substituent on the acceptor group is an alkyl or aryl radical. The invention further relates to the use of these compounds having a donor-acceptor interaction as polymerization catalysts for preparing high molecular weight elastomers.
本发明涉及一种化合物,其中过渡
金属由至少两个
配体系统配位,并且至少两个系统通过至少一个包含给体和受体的桥连接可逆地连接在一起,其中至少存在一种
芴配体,并且受体基团上至少有一个烷基或芳基取代基。本发明还涉及使用这些具有给体-受体相互作用的化合物作为聚合催化剂,用于制备高分子量弹性体。