Base-free cationic mono(cyclopentadienyl)zirconium complexes: synthesis, structural characterization, and catalytic activity in olefin polymerization
β Scribed by Pellecchia, Claudio; Immirzi, Attilio; Grassi, Alfonso; Zambelli, Adolfo
- Book ID
- 126068568
- Publisher
- American Chemical Society
- Year
- 1993
- Tongue
- English
- Weight
- 793 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0276-7333
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π SIMILAR VOLUMES
Multiple insertion of ethylene into the Tiο£ΏCH~3~ bond, the first direct evidence for the role of cationic intermediates in polymerization reactions, is observed upon reaction of the cationic Ti and Zr complexes 3 at low temperatures. Complexes 3 are formed from 1 and 2 in a reaction involving elimin
## Abstract Wellβdefined, base free cations of zinc and the alkalineβearth metals (Mg, Ca, Sr, Ba) supported by a multidentate phenolate ligand and stabilized by perfluorinated weakly coordinating counterions are readily available by simple procedures; the solidβstate structures of the magnesium an