Ethylene dimerization

Details Ethylene dimerization Ethylene dimerization

1992-02-10

1993-07-13

Pal, Asok

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

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

585510, 585511, 585514, 585521, 585531, 502325, C07C 208, C07C 232

Patent

active

052275620

ABSTRACT:
An ethylene dimerization process is provided wherein ethylene is contacted with an organocobalt(II) or organocobalt(III) compound and a borohydride compound in a solvent to produce a product reaction mixture comprising a C.sub.4 fraction of predominantly 1-butene. A phosphine compound can additionally be provided in the solvent with an organocobalt(III) compound to enhance selectivity to 1-butene.

REFERENCES:
patent: 3829429 (1974-08-01), Clement
patent: 3855255 (1974-12-01), Dohr et al.
patent: 3904692 (1975-09-01), Lassau et al.
patent: 4716138 (1987-12-01), Murray
patent: 4731490 (1988-03-01), Coughenour et al.
Hata, Go, "A New Catalyst System for the Dimerization of Ethylene", Chemistry and Industry (Jan. 30, 1965), p. 223.

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