1,5,9-Cyclododecatriene from butadiene trimerization using diben

Details 1,5,9-Cyclododecatriene from butadiene trimerization using diben 1,5,9-Cyclododecatriene from butadiene trimerization using diben

1979-06-04

1980-07-22

O'Keefe, Veronica

Chemistry of hydrocarbon compounds

Compound or reaction product mixture

Alicyclic

585366, 585369, 585370, C07C 360, C07C 1302

Patent

active

042141087

ABSTRACT:
The process for making cyclododecatriene(1,5,9)-enes by catalytically trimerizing butadiene using a catalyst from a titanium halide and an alkylaluminum halide in the presence of hydrocarbons or halogenated hydrocarbons is improved by carrying out the reaction in the presence of dibenzyenes having the general formula ##STR1## where R.sub.1 through R.sub.6 represent hydrogen atoms, halogen atoms, alkyl groups, aralkyl groups, cycloalkyl groups, or aryl groups, the dibenzylbenzenes being used in at least equimolar amounts with respect to the titanium compound.

REFERENCES:
patent: 2954412 (1960-09-01), Wulf et al.
patent: 2964574 (1960-12-01), Wilke
patent: 3223741 (1965-12-01), Feldman et al.
patent: 3424774 (1969-01-01), Tornquist

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