Olefin oligomerization in the presence of novel complexes

Details Olefin oligomerization in the presence of novel complexes Olefin oligomerization in the presence of novel complexes

1995-05-23

1996-09-17

Pal, Asok

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

585510, 585511, 585512, 585514, 585515, 585520, 585526, 585527, 585528, 585530, 585531, C07C 224, C07C 202

Patent

active

055570232

ABSTRACT:
The present invention relates to the oligomerization of lower alpha olefins, and particularly ethylene, to higher olefins in the presence of a catalyst precursor having either or both of a dithiophosphinate complex and a heterobifunctional ligand having a phosphine center and an imine or similar center, in the presence of an activator. The catalysts have a high reactivity and a good selectivity.

REFERENCES:
patent: 4187197 (1980-02-01), Kabanov et al.
patent: 4533651 (1985-08-01), Masters et al.
patent: 4954125 (1990-09-01), Ono et al.
patent: 5210360 (1993-05-01), Wu
patent: 5286696 (1994-02-01), Wu
patent: 5334791 (1994-08-01), Cavell et al.

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