1: PTAS With tetrabutyl ammonium fluoride in tetrahydrofuran; water T=20°C; 1 h; 2: 4-chloro-2-fluoro-1-methoxybenzene With 2-(dicyclohexylphosphino)-2',4',6'-tri-i-propyl-1,1’-biphenyl; bis(η3-allyl-μ-chloropalladium(II)) in tetrahydrofuran; water T=80°C; 3 h;