potassium phosphate; 1,1'-bis(di-tert-butylphosphino)ferrocene palladium dichloride in water; acetonitrile T=100°C; Suzuki-Miyaura coupling; 3 h; Microwave irradiation;

hydrogenchloride; tin(ll) chloride in ethanol

(i) (diazotization), (ii) /BRN= 4520686/, aq. NaHCO3; Multistep reaction;