in tetrahydrofuran; tert-butyl alcohol T=80°C; 1.5 h; Inert atmosphere;

palladium diacetate; caesium carbonate; 2-(dicyclohexylphosphino)-2',4',6'-tri-i-propyl-1,1’-biphenyl in tetrahydrofuran; water T=80°C; Suzuki-Miyaura coupling; 45 h;