potassium carbonate; tetrakis(triphenylphosphine) palladium(0) in ethylene glycol dimethyl ether; water 20 h; Reflux;

1: in tetrahydrofuran T=25°C; 2: With acetic anhydride T=120°C; 0.0666667 h; microwave irradiation; Further stages.;

1: 4-chloro pyridine hydrochloride in dichloromethane; water 0.25 h; 2: 3,4,5-trimethoxyphenylboronic acid With iron sulphate heptahydrate; dipotassium peroxodisulfate in dichloromethane; water T=20°C; 5 h; 3: With sodium hydroxide in dichloromethane; water T=20°C; Overall yield = 72 percent;

1,1'-bis-(diphenylphosphino)ferrocene; palladium diacetate; caesium carbonate in 1,4-dioxane; water T=70°C; Suzuki Coupling; 20 h; Inert atmosphere;

dipotassium peroxodisulfate; Fe(acetylacetonate)2; tetrabutylammomium bromide in dichloromethane; water T=20°C; 12 h;

potassium fluoride; (1,2,3,4,5-pentaphenylferrocen-1'-yl)-di-tert-butylphosphine; palladium diacetate in water; toluene T=70°C; Suzuki Coupling; 20 h; Inert atmosphere;

trichlorophosphate in chloroform

sulfuryl dichloride