trichlorophosphate T=100°C; 0.333333 h;

1: With tris-(dibenzylideneacetone)dipalladium(0); N,N-dicyclohexylamine; 2-(dicyclohexylphosphino)-2'-methylbiphenyl in water; butan-1-ol T=85°C; Suzuki coupling; 20 h; Inert atmosphere; 2: With sodium hydroxide in water; butan-1-ol T=60°C; 0.5 h; Inert atmosphere; 3: With hydrogenchloride; water in butan-1-ol pH=6 - 7; Inert atmosphere;