Metallocene preparation and use

Details Metallocene preparation and use Metallocene preparation and use

1995-05-30

1997-08-05

Nazarid-Gonzalez, Porfirio

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

Organic compounds

Heavy metal containing

556 43, 556 53, 556 58, 526160, 526943, 502152, 502158, C07F 1700, C07F 728, C07F 900, C07F 1100

Patent

active

056544545

ABSTRACT:
Double bound metallocenes, i.e. metallocenes having a cyclopentadienyl-containing radical that is bound to a transition metal both by a pi bond and by a sigma carbon bond of a substituent of that same cyclopentadienyl-containing radical can be prepared by reducing metallocenes having a cyclopentadienyl-containing radical having at least one an unsaturated substituent. Also a process for producing polymers comprising contacting at least one olefinic monomer under suitable polymerization conditions with such double bound metallocenes.

REFERENCES:
patent: 4147709 (1979-04-01), Lynch
Parkin et al. Organometallics, vol. 8, No. 5, pp. 1172-1179 (1989).
J. Organometallic Chemistry, 456, pp. 89-95 (1993).

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