1: With potassium acetate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in 1,4-dioxane; dimethyl sulfoxide T=90°C; 15 h; 2: With sodium hydroxide in water 0.166667 h; 3: With hydrogenchloride in water T=0°C; pH=5; 0.25 h;

in toluene T=114 - 118°C; 21 h;