Process for preparing bridged metallocenes

Details Process for preparing bridged metallocenes Process for preparing bridged metallocenes

1995-09-22

1998-11-03

Nazario-Gonzalez, Porfirio

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

556 7, 556 8, 556 1, 556 12, 556 20, 556 28, 556 58, 534 15, 526943, 502103, 502117, C07F 1700, C07F 700, C07F 1900

Patent

active

058311050

ABSTRACT:
In-situ process for preparing a bridged metallocene, which comprises reacting a substituted cyclopentadiene A, if desired an unsubstituted or substituted cyclopentadienyl compound B, at least one base, at least one bridging reagent and at least one metal component with one another.

REFERENCES:
patent: 5017714 (1991-05-01), Welborn, Jr.
patent: 5145819 (1992-09-01), Winter et al.
patent: 5304614 (1994-04-01), Winter et al.
patent: 5324800 (1994-06-01), Welborn, Jr. et al.
patent: 5453221 (1995-09-01), Lisowsky et al.
patent: 5543535 (1996-08-01), Lisowsky et al.
Spaleck et al., "The Influence of Aromatic Substituents on the Polymerization Behavior of Bridged Zirconocene Catalysts", Organometallics 1994, 13, 954-963.

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