申请人:Basell Polyolefine GmbH
公开号:US07544825B1
公开(公告)日:2009-06-09
A method for making siloxy-bridged ligand precursors and metallocene complexes is disclosed. Indanone enolates react with cyclopentadienylsilyl compounds to produce ligand precursors, which are reacted with a Group 3-10 transition metal source to generate metallocene complexes. The method provides simple, regioselective access to particular siloxy-bridged metallocenes starting from easily elaborated indanones.
揭示了一种制备硅氧桥联配体前体和茂金属配合物的方法。茚酮烯醇酸盐与环戊二烯基硅化合物反应,产生配体前体,然后与3-10族过渡金属源反应,生成茂金属配合物。该方法提供了从易于改造的茚酮出发,简单、选择性强的制备特定硅氧桥联茂金属配合物的途径。