NiI2; 2-(2-Pyridyl)imidazoline; lithium methanolate; 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-4',4',5',5'-tetramethyl-1,3,2-dioxaborolane in 1-methyl-pyrrolidin-2-one T=40°C; 16 h; Concentration;