Preparation of 1,4-dienes of high trans-isomer content

Details Preparation of 1,4-dienes of high trans-isomer content Preparation of 1,4-dienes of high trans-isomer content

1976-01-09

1977-05-24

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260654R, 260668R, 260680R, C07C 2500

Patent

active

040255700

ABSTRACT:
1,4-Dienes of high trans-isomer content are prepared by contacting ethylene with a 1,3-diene in the presence of a catalyst system comprising an organic solvent-soluble organonickel compound in which the nickel is zerovalent or divalent, a hydrocarbylaluminum chloride or bromide, and an aryl phosphinite. Optionally, the catalyst system may also contain a heteroorganoaluminum compound.

REFERENCES:
patent: 3306948 (1967-02-01), Kealy
patent: 3565967 (1971-02-01), Collette et al.
patent: 3679772 (1972-07-01), Yoo

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