Also described herein is the synthesis of linear α olefins by the oligomerization of ethylene using as a catalyst system a combination {HEAD ~ a nickel compound} having {TAIL ~ a selected α diimine ligand} and a selected Lewis or Bronsted acid, or by contacting selected α diimine nickel complexes with ethylene 
having
Also described herein is the synthesis of linear α olefins by the oligomerization of ethylene using as a catalyst system a combination { HEAD ~ a nickel compound } having { TAIL ~ a selected α diimine ligand } and a selected Lewis or Bronsted acid , or by contacting selected α diimine nickel complexes with ethylene
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH