FIELD: chemistry.
SUBSTANCE: invention relates to an organonickel sigma-complex of formula ([NiBr(Xy)(bpy)], where Xy=2,6-dimethylphenyl, bry=2,2'-bipyridyl). Said complex exhibits high catalytic activity during oligomerisation of ethylene with retention of good solubility in carbon solvents.
EFFECT: possibility of oligomerisation in completely homogeneous conditions.
2 cl, 7 ex, 1 tbl, 1 dwg
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