1: With potassium hydrogencarbonate in water; N,N-dimethyl-formamide T=100°C; 0.166667 h; 2: With bis(benzonitrile)palladium(II) dichloride in water; N,N-dimethyl-formamide T=100°C; 3 h;

(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium hydroxide; 3,5-dimethoxy-phenol; [Pt(PPh3)4]; trifluoroacetic acid; 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-4',4',5',5'-tetramethyl-1,3,2-dioxaborolane 1.) DMF, 80 deg C, 2.) DME, 25 deg C, 18 h, 3.) 25 deg C, 18 h, 4.) CH2Cl2, 10 min; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

tetrakis(triphenylphosphine) palladium(0) 1.) hexane, 90 deg C, 24 h, 2.) THF, reflux, 24 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;