Metal complexes comprising a polycyclic, heteroatom containing fused ring compound comprising at least a cyclopentadienyl ring having fused thereto a 5-membered polyatomic ring containing one or more ring atoms selected from groups 15 or 16 of the Periodic Table of the Elements and lacking substituents forming 6-membered, aromatic fused rings; polymerization catalysts; and olefin polymerization processes using the same are disclosed.
                            揭示了包含多环、含杂原子的融合环化合物的
金属配合物,至少包括一个
环戊二烯基环,其上融合有一个含有来自元素周期表第15或16组中选择的一个或多个环原子的5元多原子环,并且不含有形成6元芳香融合环的取代基;聚合催化剂;以及使用这些催化剂的烯烃聚合过程。