Catalyst systems based on aromatic diimine ligands

Details Catalyst systems based on aromatic diimine ligands Catalyst systems based on aromatic diimine ligands

2006-07-06

2010-11-30

Lee, Rip A. (Department: 1796)

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

Organic compounds

Heavy metal containing

C556S057000, C556S051000, C556S042000, C556S045000

Reexamination Certificate

active

07842829

ABSTRACT:
The present invention discloses the use of aromatic diamine ligands to prepare catalyst systems suitable for the oligomerization or polymerization of ethylene and alpha-olefins.

REFERENCES:
Vedder et al., Eur. J. Inorg. Chem., 2005, 1071-1080.
Reetz et al., J. Am. Chem. Soc., 2000, 122, 996-997.
Benaglia et al., Tetrahedron Letters, 2004, 45, 8705-8708.
Suga et al., Bull. Chem. Soc. Jpn., 2003, 76, 189-199.
Reetz, “Chiral Diketimines as Ligands in Pd-Catalyzed Reactions: Prediction of Catalyst Activity by the AMS Model” Journal of the American Chemical Society 122(5), 996-997, 2000.
Kettunen, “Alternative Coordination Modes in Palladium(II)-Diimino-bispyridine Complexes with an Axially Chiral biphenyl Backbone” European Journal of Inorganic Chemistry, 2005, 1081-1089.
Vedder, Chiral Iron and Cobalt Complexes with Biphenyl-Bridged Bis(pyridylimine) Ligands-Syntheses, Structures and Reactivities: European Journal of Inorganic Chemistry, 2005, 1071-1080.
Benaglia, “Enantioselective addition of phenyl and alkyl acetylenes to imines catalyzed by chiral Cu(I) complexes” Tetrahedron Letters, Elsevier, Amsterdam, 2004, 45(47), 8705-8708.
Suga, “Assymmetric Cyclopropanation and Aziridination Reactions of Olefins Catalyzed by Cu(I)-Binaphtyldiimine Complexes” Bull.Chem. Soc. Jpn., 2003, 76(1) 189-199.

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