tetrakis(triphenylphosphine) palladium(0); potassium carbonate in N,N-dimethyl-formamide T=110°C; Suzuki-Miyaura coupling; 16 h;

tetrakis(triphenylphosphine) palladium(0); cesium fluoride in toluene Stille coupling; 24 h; Reflux;

1: 4-bromo-2-phenylthiazole With tert.-butyl lithium in diethyl ether; pentane T=-80 - -50°C; Inert atmosphere; 2: With tributyltin chloride in diethyl ether; pentane T=-80°C; Inert atmosphere; 3: thien-2-yl bromide With tetrakis(triphenylphosphine) palladium(0); cesium fluoride in toluene Stille cross-coupling reaction; 24 h; RefluxInert atmosphere;

cesium fluoride in toluene Stille cross-coupling reaction; Heating;

in ethanol Heating;