Abstract: | 1‐Hexene polymerization was investigated with bisN‐(3‐tert‐butylsalicylidene)phenylaminato]titanium(IV) dichloride ( 1 ) using iBu3Al/Ph3CB(C6F5)4 as a cocatalyst. This catalyst system produced poly(1‐hexene) having a high molecular weight (Mw = 445 000–884 000, 0–60°C). 13C NMR spectroscopy revealed that the high molecular weight poly(1‐hexene) possesses an atactic structure with about 50 mol‐% of regioirregular units. |