Protected (fluoroaryl)borates as effective counteranions for cationic metallocene polymerization catalysts

L. Jia; X. Yang; A. Ishihara; Tobin J Marks

Protected (fluoroaryl)borates as effective counteranions for cationic metallocene polymerization catalysts

L. Jia, X. Yang, A. Ishihara, Tobin J Marks

Northwestern University

Research output: Contribution to journal › Article › peer-review

115 Citations (Scopus)

Abstract

The functionalized (fluoroaryl)borate salts Ph₃C⁺B(C₆F₄TBS)₄^- and Ph₃C⁺B(C₆F₄TBS)₄^- and (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 L₂^-ZrH⁺(C₆F₄SiR₃)₄^- salts (L = η⁵-C₅H₅; η⁵-1,2-Me₂C₅H₃; L⁺ = η⁵-Me₅C₅) which function as highly active ethylene polymerization catalysts.

Original language	English
Pages (from-to)	3135-3137
Number of pages	3
Journal	Organometallics
Volume	14
Issue number	7
Publication status	Published - Jul 1995

ASJC Scopus subject areas

Inorganic Chemistry
Organic Chemistry

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title = "Protected (fluoroaryl)borates as effective counteranions for cationic metallocene polymerization catalysts",

abstract = "The functionalized (fluoroaryl)borate salts Ph3C+B(C6F4TBS)4- and Ph3C+B(C6F4TBS)4- and (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 L2-ZrH+(C6F4SiR3)4- salts (L = η5-C5H5; η5-1,2-Me2C5H3; L+ = η5-Me5C5) which function as highly active ethylene polymerization catalysts.",

author = "L. Jia and X. Yang and A. Ishihara and Marks, {Tobin J}",

year = "1995",

month = jul,

language = "English",

volume = "14",

pages = "3135--3137",

journal = "Organometallics",

issn = "0276-7333",

publisher = "American Chemical Society",

number = "7",

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TY - JOUR

T1 - Protected (fluoroaryl)borates as effective counteranions for cationic metallocene polymerization catalysts

AU - Jia, L.

AU - Yang, X.

AU - Ishihara, A.

AU - Marks, Tobin J

PY - 1995/7

Y1 - 1995/7

N2 - The functionalized (fluoroaryl)borate salts Ph3C+B(C6F4TBS)4- and Ph3C+B(C6F4TBS)4- and (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 L2-ZrH+(C6F4SiR3)4- salts (L = η5-C5H5; η5-1,2-Me2C5H3; L+ = η5-Me5C5) which function as highly active ethylene polymerization catalysts.

AB - The functionalized (fluoroaryl)borate salts Ph3C+B(C6F4TBS)4- and Ph3C+B(C6F4TBS)4- and (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 L2-ZrH+(C6F4SiR3)4- salts (L = η5-C5H5; η5-1,2-Me2C5H3; L+ = η5-Me5C5) which function as highly active ethylene polymerization catalysts.

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