palladium(II) dichloride bis[bis(diphenylphosphine)ferrocene] in tetrahydrofuran; diethyl ether T=20°C; Kumada coupling reaction; 48 h; Inert atmosphereCooling with ice;

dichloro-[1,3-bis(diphenylphosphinopropane)]nickel; magnesium in diethyl ether

NiCl2((PPh3)P)2 in tetrahydrofuran T=50°C; 12 h;

[(P{(NC5H10)(C6H11)2})2Pd(Cl)2] in tetrahydrofuran; 1-methyl-pyrrolidin-2-one T=100°C; Negishi cross-coupling reaction; 6 h; In air;

bis(acetylacetonato) palladium; N,N,N',N,-tetramethylethylenediamine; copper(I) bromide in 1-methyl-pyrrolidin-2-one T=170°C; 5 h; Inert atmosphere;

[1,3-bis(diphenylphosphino) propane] dichloronickel(II) in diethyl ether 24 h; Heating;

bis(acetylacetonato) palladium; N,N,N',N,-tetramethylethylenediamine; copper(I) bromide T=140°C; 16 h; Inert atmosphere;

1: 1-bromo-3,5-bis(2'-thienyl)benzene With palladium(II) dichloride bis[bis(diphenylphosphine)ferrocene]; iodine; magnesium in tetrahydrofuran RefluxInert atmosphere; 2: methyl iodide in tetrahydrofuran Kumada coupling reaction; 18 h; RefluxInert atmosphere; 3: With water in tetrahydrofuran Inert atmosphere;