Silsesquioxane-bonded zirconocene complexes; soluble models for silica-tethered olefin polymerization catalysts

…, R Duchateau, RA van Santen, DD Ellis, AL Spek…

Index: Severn, John R.; Duchateau, Robbert; Santen, Rutger A. van; Ellis, Dianne D.; Spek, Anthony L.; Yap, Glenn P. A. Dalton Transactions, 2003 , # 11 p. 2293 - 2302

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Citation Number: 14

Abstract

Silsesquioxane tethered fluorene ligands [R7Si8O12X]-9-Flu (H)(R= c-C6H11, X=–(1); R= c- C5H9, X= CH2 (2),(CH2) 3 (3), C6H4CH2 (4)),(c-C5H9) 7Si8O12CH2-9-Flu (9-EMe3)(E= Si (5a), Sn (5b)) and zirconium dichlorides Cp ″[(c-C5H9) 7Si8O12CH2-9-Flu] ZrCl2 (6b, Cp ″= 1, 3-C5H3 (SiMe3) 2), Cp*[(c-C5H9) 7Si8O12-X-9-Flu] ZrCl2 (X= CH2 (6a),(CH2) 3 (7), C6H4CH2 (8)) and [(c-C5H9) 7Si8O12CH2-9-Flu] 2ZrCl2 (9) have been applied as ...