Process for dimerizing conjugated dienes

Details Process for dimerizing conjugated dienes Process for dimerizing conjugated dienes

1985-05-10

1986-06-03

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

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

585509, C07C 202

Patent

active

045931402

ABSTRACT:
The process according to the invention consists in dimerizing a conjugated diene in the presence of a catalyst obtained by bringing together (A) at least one nickel complex of formula NiZ.sub.q in which q is the coordination number of the nickel and Z is at least one ligand capable of complexing nickel and (B) at least one phosphorus-containing ligand of general formula ##STR1## in which: R.sub.1 is chosen from a hydrogen atom and hydrocarbon radicals,

REFERENCES:
patent: 3641175 (1972-02-01), Wilke et al.
patent: 3794692 (1974-02-01), Akutaqawa et al.
patent: 3848015 (1974-11-01), Wilke et al.
patent: 4025570 (1977-05-01), Cramer

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