Synthesis, Structure, and Reactivity of rac -Me 2 Si(indenyl) 2 Zr(NMe 2 ) 2
β Scribed by Christopher, Joseph N.; Diamond, Gary M.; Jordan, Richard F.; Petersen, Jeffrey L.
- Book ID
- 127115796
- Publisher
- American Chemical Society
- Year
- 1996
- Tongue
- English
- Weight
- 305 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0276-7333
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Ansa-zirconocene diamide complex rac-Me 2 Si(CMB) 2 Zr(NMe 2 ) 2 (rac-1, CMB Ο 1-C 5 H 2 -2-Me-4-t Bu) reacts with AlR 3 (R Ο Me, Et, i-Bu) and then with [CPh 3 ] Ο© [B(C 6 F 5 ) 4 ] Οͺ (2) in toluene in order to in situ generate cationic alkylzirconium species. In the sequential NMR-scale reactions o
The kinetics of propylene polymerization initiated by ansa-metallocene diamide compound rac-Me 2 Si(CMB) 2 Zr(NMe 2 ) 2 (rac-1, CMB Ο 1-C 5 H 2 -2-Me-4-t Bu)/ methylaluminoxane (MAO) catalyst were investigated. The formation of cationic active species has been studied by the sequential NMR-scale rea