1: With bis-triphenylphosphine-palladium(II) chloride in tetrahydrofuran T=70°C; Negishi coupling reaction; 48 h; 2: With hydrogenchloride in tetrahydrofuran T=20°C; 24 h;

1: With triphenylphosphine; bis(dibenzylideneacetone)-palladium(0) in tetrahydrofuran T=70°C; Negishi coupling reaction; 48 h; 2: With hydrogenchloride in tetrahydrofuran T=20°C; 24 h;

1: With triphenylphosphine; bis(dibenzylideneacetone)-palladium(0) in tetrahydrofuran T=70°C; Negishi coupling reaction; 48 h; 2: With hydrogenchloride in tetrahydrofuran T=20°C; 24 h;

1: With triphenylphosphine; bis(dibenzylideneacetone)-palladium(0) in tetrahydrofuran T=70°C; Negishi coupling reaction; 48 h; 2: With hydrogenchloride in tetrahydrofuran T=20°C; 24 h;