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A Metallocene-Pyrrolidinopyridine Nucleophilic Catalyst for Asymmetric Synthesis.

✍ Scribed by Huy V. Nguyen; David C. D. Butler; Christopher J. Richards

Publisher
John Wiley and Sons
Year
2006
Weight
16 KB
Volume
37
Category
Article
ISSN
0931-7597

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## Abstract Four supported metallocene catalysts were synthesized directly on silica [Si(CpZrCp), Si(CpZrInd), Si(IndZrCp), and Si(IndZrInd)]. The first ligand was chemically tethered to silica (internal ligand) while the second was free from silica (external ligand). The polymerization of ethylene