Method of polymerizing alpha-olefins with boryl zirconocene orga

Details Method of polymerizing alpha-olefins with boryl zirconocene orga Method of polymerizing alpha-olefins with boryl zirconocene orga

1995-11-17

1997-09-09

Nagumo, Mark

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

556 7, 502152, 526346, 526335, 526352, 526351, 5263486, 5263482, C08F 464

Patent

active

056658346

ABSTRACT:
Boron-zirconium 1,1,-dimetallic organic compounds useful in organic synthesis such as the preparation of alpha-borobromanes. The boron-zirconium compounds include boron and zirconiun, and in particular the synthesis, structure and reactivity of E-chlorobis(cyclopentadienyl)- [1-(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-3,3-dimethylbutenyl]zirc onium (IV). The boron-zirconium 1,1-dimetallic compound is used as a polymerization catalyst to polymerize alpha-olefins such as styrene.

REFERENCES:
E. Skrzypczak-Jankum et al. J Chem Soc Chem Commun. (1994) 127-128.
G. Erker et al. (1991) J Am Chem Soc 113, 7594-7602.
Hawley's Condensed Chemical Dictionary, 11th Ed, p. 854 Van Norstrand Reinhold, New York, 1987.

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