1: With potassium carbonate; tri[2-(2-methoxyethoxy)ethyl]amine in dichloromethane; water 6 h; Heating / reflux; 2: With water; hydrogenchloride in tetrahydrofuran T=20°C; 2 h; 3: With sodium hydroxide in tetrahydrofuran; water T=0°C;

sodium acetate; Pd(NH3)4/NaY zeolite in 1-methyl-pyrrolidin-2-one T=140°C; Heck reaction; 6 h;

potassium chloride; tetra-n-butylammonium acetate; potassium carbonate; Pd(NH3)4/NaY zeolite in N,N-dimethyl-formamide T=110°C; Heck reaction; 6 h;

1: With hydrogenchloride in tetrahydrofuran; water 1 h; 2: With sodium hydroxide in water T=0°C; pH=> 10;

trans-di(μ-acetato)bis[o-(di-o-tolylphosphino)benzyl]dipalladium(II); sodium acetate in 1-methyl-pyrrolidin-2-one T=140°C; Heck reaction; 6 h;

sodium tetrahydroborate in tetrahydrofuran T=0°C; 0.5 h;