abstract |
A catalyst system comprising i) a 2-[(phosphinyl)aminyl] cyclic imine transition metal compound complex and ii) an organoaluminum compound. A process comprising contacting i) ethylene, ii) a catalyst system comprising (a) a 2-[(phosphinyl)aminyl] cyclic imine transition metal compound complex, and (b) an organoaluminum compound, and iii) optionally hydrogen to form an oligomer product. |