intermediate organolithium complexes with chlorotrimethylsilane. The corresponding titanium complexes were synthesized in excellent yields from reactions of the trimethylsilyl derivatives with TiCl4. The titanium complexes were evaluated as styrene polymerization catalysts in toluene solution when activated by methylaluminoxane. In general, catalytic activities decreased with each additional methyl substituent
一系列多甲基取代的
茚的以及allylindene,Ñ -propylindene,ñ -丁-1- enylindene,和Ñ -butylindene已经以良好的收率制备。经由中间
有机锂配合物与
氯代三甲基
硅烷的反应,将取代的
茚满转化为三甲基甲
硅烷基衍
生物。由三甲基甲
硅烷基衍
生物与TiCl 4的反应以优异的产率合成了相应的
钛配合物。当被甲基铝氧烷活化时,
钛络合物被评估为
甲苯溶液中的
苯乙烯聚合催化剂。通常,催化活性随每个另外的甲基取代基而降低。间特异性很高(90-95%)。