The oxidative addition of mesityl bromide either to electrochemically generated [Ni(bpy)] or to [Ni(COD)2] (COD = 1,5-cyclooctadiene) in the presence of 2,20-bipyridine allows the selective, high-yield synthesis of the r-aryl complex [NiBr(Mes)(bpy)] (Mes = 2,4,6- trimethylphenyl, bpy = 2,20-bipyridine), which is an efficient catalyst precursor for the oligomerization of ethylene to even-numbered olefins in the C4–C26 range with a Schulz–Flory distribution.
Electrochemical Synthesis of the σ-Aryl Complex [NiBr(Mes)(bpy)] and Its Use as Catalyst Precursor for the Oligomerization of Ethylene (Mes = 2,4,6-Trimethylphenyl, bpy = 2,2'-Bipyridine) / Yakhvarov D G; Tazeev D I; Sinyashin O G; Giambastiani G; Bianchini C; Segarra A M; Lonnecke P; Hey-Hawkins E. - In: POLYHEDRON. - ISSN 0277-5387. - STAMPA. - 25:(2006), pp. 1607-1612. [10.1016/j.poly.2005.10.032]
Electrochemical Synthesis of the σ-Aryl Complex [NiBr(Mes)(bpy)] and Its Use as Catalyst Precursor for the Oligomerization of Ethylene (Mes = 2,4,6-Trimethylphenyl, bpy = 2,2'-Bipyridine)
Giambastiani G;
2006
Abstract
The oxidative addition of mesityl bromide either to electrochemically generated [Ni(bpy)] or to [Ni(COD)2] (COD = 1,5-cyclooctadiene) in the presence of 2,20-bipyridine allows the selective, high-yield synthesis of the r-aryl complex [NiBr(Mes)(bpy)] (Mes = 2,4,6- trimethylphenyl, bpy = 2,20-bipyridine), which is an efficient catalyst precursor for the oligomerization of ethylene to even-numbered olefins in the C4–C26 range with a Schulz–Flory distribution.
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