| abstract |
A catalytic composition which can be used for dimerization, codimerization andnthe oligomerization of olefins results from the at least partial dissolution of ancomposed of nickel mixed or complexed with a tertiary phosphine carrying anfunctional group or a phosphite carrying a functional group, in the mediumnresulting from the mixture of at least one quaternary ammonium halide and / ornat least one quaternary phosphonium halide, at least one halidenaluminum and optionally at least one organometallic compoundnaluminum. |