Substituted polycyclic cyclopentadienes and method for their...

Details Substituted polycyclic cyclopentadienes and method for their... Substituted polycyclic cyclopentadienes and method for their...

2005-01-18

2005-01-18

Lu, Caixia (Department: 1713)

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By ring formation from nonring moiety, e.g., aromatization,...

C585S408000, C585S416000, C585S411000

Reexamination Certificate

active

06844478

ABSTRACT:
New polycyclic cyclopentadiene compounds having the formula (II) wherein the various substituents and symbols R1, R2, R3, R4, R5, R6, R7, Z1and Z2and “n” have the meaning specified in the description. These compounds can form metallocene complexes with transition metals, which have shown unusual properties in the (co)polymerization of ethylene and alpha-olefins in general

REFERENCES:
patent: 0 849 273 (1998-06-01), None
Chemical Abstracts, vol. 97, No. 21 abstract No. 181816s Nov. 22, 1982.

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