## Abstract __ansa__βTetramethyldisiloxaneβbridged indenyl, tetrahydroindenyl and cyclopentadienyl zirconium complexes 1β4 were prepared. The pure __rac__β1β3 and __meso__β1β2 complexes were separated by fractional crystallization. Indenyl complexes, both __rac__β1 and __meso__β1, in the presence o
β¦ LIBER β¦
Disiloxane bridged indenyl metallocene catalysts for olefin polymerizations
β Scribed by Wei Song; Keith Shackett; James C.W. Chien; Marvin D. Rausch
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 672 KB
- Volume
- 501
- Category
- Article
- ISSN
- 0022-328X
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
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Metallacyclic metallocene complexes of titanium, zirconium and hafnium can be prepared by hydrogen elimination processes of suitable substituents such as -phenylalkyl or -alkenyl at the aromatic ligands. In some cases, the intermediates containing agostic hydride ligands can be isolated and characte