1: 2-bromo-1,3-thiazole With chloro-trimethyl-silane; ethylene dibromide; zinc in tetrahydrofuran 0.25 h; 2: [(5-bromo-2,3-dihydro-1H-inden-1-yl)oxy](tert-butyl)dimethylsilane With tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran 24 h; Heating / reflux;

tetrabutyl ammonium fluoride in tetrahydrofuran T=0 - 20°C; 1 h;