1: With potassium acetate; 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-4',4',5',5'-tetramethyl-1,3,2-dioxaborolane; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in dimethyl sulfoxide T=80°C; 2 h; 2: With sodium hydroxide; dihydrogen peroxide in tetrahydrofuran; water T=0 - 20°C; 3: With hydrogenchloride; water

N-methyl-2-(methylamino)ethylamine in dimethyl sulfoxide 12 h; Inert atmosphereReflux;