Process for the preparation of metallocenes

Details Process for the preparation of metallocenes Process for the preparation of metallocenes

1990-10-25

1992-05-26

Dees, Jose G.

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

Organic compounds

Heavy metal containing

556 53, 556 58, C07F 1700, C07F 900, C07F 1100

Patent

active

051170205

ABSTRACT:
A transition metal salt and powder of the solid reaction product of the ligand with an alkyllithium are reacted at room temperature in a non-polar hydrocarbon. The metallocene thus obtained has a sufficient purity for subsequent use as catalyst for the polymerization of olefins without further purification.

REFERENCES:
patent: 4851598 (1990-06-01), Miya et al.
patent: 4892851 (1990-01-01), Ewen et al.
patent: 4931417 (1989-07-01), Rosenblum et al.
patent: 5036034 (1991-07-01), Ewen
"Di aryl Bis--(Cyclopentadienyl)--titanium compounds"; Summers et al., J. of Am. Chem. Soc., vol. 77, No. 13, pp. 3604-3606 (Jul., 1955).

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