1: 1-bromo-4-methylsulfanyl benzene With chloro-trimethyl-silane; tributoxyborane; magnesium; ethylene dibromide; lithium chloride in tetrahydrofuran T=25°C; 1 h; Inert atmosphere; 2: 5-Bromo-1H-indole With 1,1'-bis-(diphenylphosphino)ferrocene; caesium carbonate; palladium dichloride in tetrahydrofuran; ethanol; N,N-dimethyl-formamide T=65°C; Suzuki-Miyaura cross coupling reaction; 6 h; Inert atmosphere;