Protected (Fluoroaryl)borates as Effective Counteranions for Cationic Metallocene Polymerization Catalysts

Li Jia, Xinmin Yang, Atsushi Ishihara, Tobin J. Marks*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

115 Scopus citations

Abstract

The functionalized (fluoroaryl)borate salts Ph3C+B(C6F4TBS)4 - and Ph3C+B(C6F4TIPS)4 - (TBS = tBuMe2Si; TIPS = iPr3Si) are prepared in three steps from 1,4-HC6F4Br, Reaction with zirconocene dimethyls yields crystalline, thermally stable, soluble L2ZrCH3 +B-(C6F4SiR3)4 - and L'2ZrH+B(C6SiR3)4 - salts (L = η5-C5H5; η5-1,2-Me2C5H3; L' = η-Me5C5) which function as highly active ethylene polymerization catalysts.

Original languageEnglish (US)
Pages (from-to)3135-3137
Number of pages3
JournalOrganometallics
Volume14
Issue number7
DOIs
StatePublished - Jul 1995

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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